diff --git a/.idea/runConfigurations/Build_IntelliJ_IDEA_Installers__current_OS_.xml b/.idea/runConfigurations/Build_OpenIDE_Installers__current_OS_.xml
similarity index 80%
rename from .idea/runConfigurations/Build_IntelliJ_IDEA_Installers__current_OS_.xml
rename to .idea/runConfigurations/Build_OpenIDE_Installers__current_OS_.xml
index c9f885d3666f..c159f8ba3adb 100644
--- a/.idea/runConfigurations/Build_IntelliJ_IDEA_Installers__current_OS_.xml
+++ b/.idea/runConfigurations/Build_OpenIDE_Installers__current_OS_.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Build IntelliJ IDEA Installers (current OS)" type="JetRunConfigurationType">
+  <configuration default="false" name="Build OpenIDE Installers (current OS)" type="JetRunConfigurationType">
     <option name="MAIN_CLASS_NAME" value="OpenSourceCommunityInstallersBuildTarget" />
     <module name="intellij.idea.community.build" />
     <shortenClasspath name="ARGS_FILE" />
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
deleted file mode 100644
index 85ed20dba49a..000000000000
--- a/CODE_OF_CONDUCT.md
+++ /dev/null
@@ -1,4 +0,0 @@
-## Code of Conduct
-
-This project and the corresponding community is governed by the [JetBrains Open Source and Community Code of Conduct](https://confluence.jetbrains.com/display/ALL/JetBrains+Open+Source+and+Community+Code+of+Conduct). Please make sure you read it. 
-
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 798e18a18f52..e69de29bb2d1 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,46 +0,0 @@
-# Contributing to JetBrains IDEs Open Source
-
-Thanks for your interest in contributing to the JetBrains IDEs open-source repository!
-
-## What kinds of contributions we welcome
-
-- **Bug fixes (preferred).** Most contributions we accept are fixes for reproducible issues. Tests should supply those fixes if possible.
-- **Features (by prior agreement only).** If you want to add a feature, please discuss it with us first. We accept features only when they
-  align with our roadmap for the relevant subsystem.
-- **“Patch welcome” issues.** We maintain a list of feature requests and improvements that we warmly welcome from the community:
-  https://youtrack.jetbrains.com/issues?q=%23patch_welcome
-
-Before you start, make sure you:
-
-- Have an existing YouTrack ticket for the issue you plan to work on (or create one if needed): https://youtrack.jetbrains.com/
-- Have read:
-  - [IntelliJ Coding Guidelines](https://plugins.jetbrains.com/docs/intellij/intellij-coding-guidelines.html)
-  - [Contribute Code](https://www.jetbrains.com/opensource/idea/)
-  - Follow the recommended [commit message format](#commit-message-format)
-
-## Commit message format
-
-We strongly recommend following this commit message format:
-
-   ```
-   <YouTrack ticket ID>( <YouTrack ticket ID>)* (<subsystem>: )? <subject>
-        
-   <detailed description>?
-   ```
-
-E.g.:
-
-   ```
-   IDEA-125730 Groovy: declare explicit type 
-
-   Broken template should revert all its changes and move the caret back to the original position
-   ```
-
-Avoid including links to any discussions in commit messages (Slack, https://platform.jetbrains.com/, etc.). Instead, summarize the
-discussion right in the commit message, or create a YouTrack ticket and summarize it there.
-
-## Building the IDE
-
-Please read the [README.md](README.md) in order to understand how to build or
-run the IDE on your machine.
-
diff --git a/LICENSE.txt b/LICENSE.txt
index 60fd1a0a3601..edb49880b310 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,91 +1,661 @@
-JETBRAINS OPEN-SOURCE BUILD TERMS
+GNU AFFERO GENERAL PUBLIC LICENSE
+   Version 3, 19 November 2007
 
-Version 1.3, effective as of June 15, 2026
+Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+Everyone is permitted to copy and distribute verbatim copies
+of this license document, but changing it is not allowed.
 
-IMPORTANT! READ CAREFULLY:
+        Preamble
 
-THESE TERMS APPLY TO THE OPEN-SOURCE BUILDS OF THE JETBRAINS INTEGRATED DEVELOPMENT ENVIRONMENT TOOLS
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-SUBJECT TO THE APACHE 2.0 LICENSE (AVAILABLE HERE: https://www.apache.org/licenses/LICENSE-2.0).
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+paragraph of section 11).
+
+However, if you cease all violation of this License, then your
+license from a particular copyright holder is reinstated (a)
+provisionally, unless and until the copyright holder explicitly and
+finally terminates your license, and (b) permanently, if the copyright
+holder fails to notify you of the violation by some reasonable means
+prior to 60 days after the cessation.
+
+Moreover, your license from a particular copyright holder is
+reinstated permanently if the copyright holder notifies you of the
+violation by some reasonable means, this is the first time you have
+received notice of violation of this License (for any work) from that
+copyright holder, and you cure the violation prior to 30 days after
+your receipt of the notice.
+
+Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
+this License.  If your rights have been terminated and not permanently
+reinstated, you do not qualify to receive new licenses for the same
+material under section 10.
+
+9. Acceptance Not Required for Having Copies.
+
+You are not required to accept this License in order to receive or
+run a copy of the Program.  Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance.  However,
+nothing other than this License grants you permission to propagate or
+modify any covered work.  These actions infringe copyright if you do
+not accept this License.  Therefore, by modifying or propagating a
+covered work, you indicate your acceptance of this License to do so.
+
+10. Automatic Licensing of Downstream Recipients.
+
+Each time you convey a covered work, the recipient automatically
+receives a license from the original licensors, to run, modify and
+propagate that work, subject to this License.  You are not responsible
+for enforcing compliance by third parties with this License.
+
+An "entity transaction" is a transaction transferring control of an
+organization, or substantially all assets of one, or subdividing an
+organization, or merging organizations.  If propagation of a covered
+work results from an entity transaction, each party to that
+transaction who receives a copy of the work also receives whatever
+licenses to the work the party's predecessor in interest had or could
+give under the previous paragraph, plus a right to possession of the
+Corresponding Source of the work from the predecessor in interest, if
+the predecessor has it or can get it with reasonable efforts.
+
+You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License.  For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
+(including a cross-claim or counterclaim in a lawsuit) alleging that
+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+11. Patents.
+
+A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based.  The
+work thus licensed is called the contributor's "contributor version".
+
+A contributor's "essential patent claims" are all patent claims
+owned or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version.  For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement).  To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+12. No Surrender of Others' Freedom.
+
+If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+13. Remote Network Interaction; Use with the GNU General Public License.
+
+Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
+Source of your version by providing access to the Corresponding Source
+from a network server at no charge, through some standard or customary
+means of facilitating copying of software.  This Corresponding Source
+shall include the Corresponding Source for any work covered by version 3
+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+14. Revised Versions of this License.
+
+The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time.  Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+<one line to give the program's name and a brief idea of what it does.>
+Copyright (C) <year>  <name of author>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published
+by the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.
\ No newline at end of file
diff --git a/README.md b/README.md
index 7695778a93a7..6b567ea20a15 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,15 @@
-[![official JetBrains project](http://jb.gg/badges/official.svg)](https://github.com/JetBrains/.github/blob/main/profile/README.md) [![IntelliJ IDEA build status](https://github.com/JetBrains/intellij-community/actions/workflows/IntelliJ_IDEA.yml/badge.svg?branch=master)](https://github.com/JetBrains/intellij-community/actions/workflows/IntelliJ_IDEA.yml?query=branch%3Amaster) [![PyCharm build status](https://github.com/JetBrains/intellij-community/actions/workflows/PyCharm.yml/badge.svg?branch=master)](https://github.com/JetBrains/intellij-community/actions/workflows/PyCharm.yml?query=branch%3Amaster)
+# OpenIDE project
 
-# IntelliJ Open Source Repository
+The OpenIDE project is largely based on the OpenIDE Community Edition by JetBrains. You can learn more about the project at https://openide.ru.
 
 This repository is the open-source part of the JetBrains IDEs codebase.
 It also serves as the basis for [IntelliJ Platform development](https://www.jetbrains.com/opensource/idea). 
 
-These instructions will help you build and run open source parts of IntelliJ Platform / IntelliJ IDEA / PyCharm.
-
-If you are new to the community and would like to contribute code or help others learn, see [CONTRIBUTING.md](https://github.com/JetBrains/intellij-community/blob/master/CONTRIBUTING.md) to get started.
+These instructions will help you build and run open source parts of OpenIDE.
 
 The following conventions will be used to refer to directories on your machine:
 * `<USER_HOME>` is your OS user's home directory.
-* `<IDEA_HOME>` is the root directory for the **IntelliJ source code**.
+* `<IDEA_HOME>` is the root directory for the **OpenIDE source code**.
 
 ___
 ## Getting the Source Code
@@ -20,7 +18,7 @@ This section will guide you through getting the project sources and help avoid c
 
 #### Prerequisites
 - [Git](https://git-scm.com/) installed
-- Install [IntelliJ IDEA 2023.2](https://www.jetbrains.com/idea/download) or higher.
+- Install [OpenIDE 2024.3](https://openide.ru/download/other) or higher.
 - For **Windows** set these git config to avoid common issues during cloning:
   ```
   git config --global core.longpaths true
@@ -29,27 +27,22 @@ This section will guide you through getting the project sources and help avoid c
 
 #### Clone Main Repository
 
-IntelliJ open source repository is available from the [GitHub repository](https://github.com/JetBrains/intellij-community), which can be cloned or downloaded as a zip file (based on a branch) into `<IDEA_HOME>`. 
-The **master** (_default_) branch contains the source code which will be used to create the next major version of all JetBrains IDEs. 
-The branch names and build numbers for older releases of JetBrains IDEs can be found on the
-[Build Number Ranges](https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html) page.
-
-You can [clone this project](https://www.jetbrains.com/help/idea/manage-projects-hosted-on-github.html#clone-from-GitHub) directly using IntelliJ IDEA. 
+OpenIDE open source repository is available from the [Gitflic repository](https://gitflic.ru/project/openide/openide), which can be cloned or downloaded as a zip file (based on a branch) into `<IDEA_HOME>`.
 
 Alternatively, follow the steps below in a terminal:
 
    ```
-   git clone https://github.com/JetBrains/intellij-community.git
-   cd intellij-community
+   git clone https://gitflic.ru/project/openide/openide.git
+   cd openide
    ```
 
 > [!TIP]
 > - **For faster download**: If the complete repository history isn't needed, create [shallow clone](https://git-scm.com/docs/git-clone#Documentation/git-clone.txt---depthdepth)
 > To download only the latest revision of the repository,  add `--depth 1` option after `clone`.
-> - Cloning in IntelliJ IDEA also supports creating shallow clone.
+> - Cloning in OpenIDE also supports creating shallow clone.
 
 #### Get Android Modules
-IntelliJ IDEA requires additional Android modules from separate Git repositories.
+OpenIDE requires additional Android modules from separate Git repositories.
 
 Run the following script from project root `<IDEA_HOME>` to get the required modules:
 - Linux/macOS: `./getPlugins.sh`
@@ -57,26 +50,18 @@ Run the following script from project root `<IDEA_HOME>` to get the required mod
 
 > [!IMPORTANT]
 >
->  Always `git checkout` the `intellij-community` and `android` Git repositories to the same branches/tags.
+>  Always `git checkout` the `openide` and `android` Git repositories to the same branches/tags.
 
 
 ---
-## Building IntelliJ IDEA
+## Building OpenIDE
+These instructions will help you build OpenIDE from source code, which is the basis for IntelliJ Platform development.
+OpenIDE '**2024.3**' or newer is required.
 
-These instructions will help you build IntelliJ IDEA from source code, which is the basis for IntelliJ Platform development.
-IntelliJ IDEA '**2023.2**' or newer is required.
-
-> [!IMPORTANT]
->
-> IntelliJ IDEA project is currently being migrated to the [Bazel](https://bazel.build/) build system. 
-> The migration is still in progress, so you may encounter some rough edges or temporary issues along the way, mostly related to IDE integration.
-> * Building the project using only IDE built-in capabilities is not supported anymore, so make sure the [Bazel plugin](https://plugins.jetbrains.com/plugin/22977-bazel) is installed and enabled.
-> * Known issue: some tests are not yet possible to be run with Bazel. In case of any issues, please depend on the `tests.cmd` script mentioned in the [Running IntelliJ IDEA in CI/CD environment](#running-intellij-idea-in-cicd-environment) section.
-
-### Opening the IntelliJ IDEA Source Code in the IDE
-Using the latest IntelliJ IDEA, click '**File | Open**', select the `<IDEA_HOME>` directory.
-If IntelliJ IDEA displays a message about a missing or out-of-date required plugin (e.g. Kotlin),
-[enable, upgrade, or install that plugin](https://www.jetbrains.com/help/idea/managing-plugins.html) and restart IntelliJ IDEA.
+### Opening the OpenIDE Source Code in the IDE
+Using the latest OpenIDE, click '**File | Open**', select the `<IDEA_HOME>` directory.
+If OpenIDE displays a message about a missing or out-of-date required plugin (e.g. Kotlin),
+[enable, upgrade, or install that plugin](https://www.jetbrains.com/help/idea/managing-plugins.html) and restart OpenIDE.
 
 
 ### Build Configuration Steps
@@ -101,9 +86,9 @@ If IntelliJ IDEA displays a message about a missing or out-of-date required plug
   - With notably higher available RAM, Increase "**User-local heap size**" to `3000`.
 
 
-### Building the IntelliJ IDEA Application from Source
+### Building the OpenIDE Application from Source
 
-**To build IntelliJ IDEA from source**, choose '**Build | Build Project**' from the main menu.
+**To build OpenIDE from source**, choose '**Build | Build Project**' from the main menu.
 
 **To build installation packages**, run the [installers.cmd](installers.cmd) script in `<IDEA_HOME>` directory. `installers.cmd` will work on both Windows and Unix systems.
 Options to build installers are passed as system properties to `installers.cmd` command.
@@ -120,7 +105,7 @@ Installer build examples:
 > [!TIP]
 > 
 > The `installers.cmd` is used to run [OpenSourceCommunityInstallersBuildTarget](build/src/OpenSourceCommunityInstallersBuildTarget.kt) from the command line.
-> You can also call it directly from IDEA, using run configuration `Build IntelliJ IDEA Installers (current OS)`.
+> You can also call it directly from IDEA, using run configuration `Build OpenIDE Installers (current OS)`.
 
 
 #### Dockerized Build Environment
@@ -135,17 +120,17 @@ docker run --rm --user "$(id -u)" --volume "${PWD}:/community" intellij_idea_env
 > This prevents issues with permissions for the checked-out repository, the build output, if any.
 
 ---
-## Running IntelliJ IDEA
-To run the IntelliJ IDEA that was built from source, choose '**Run | Run**' from the main menu. This will use the preconfigured run configuration `IDEA`.
+## Running OpenIDE
+To run the OpenIDE that was built from source, choose '**Run | Run**' from the main menu. This will use the preconfigured run configuration `IDEA`.
 
 To run tests on the build, apply these settings to the '**Run | Edit Configurations... | Templates | JUnit**' configuration tab:
 * Working dir: `<IDEA_HOME>/bin`
 * VM options:  `-ea`
 
 
-#### Running IntelliJ IDEA in CI/CD environment
+#### Running OpenIDE in CI/CD environment
 
-To run tests outside of IntelliJ IDEA, run the `tests.cmd` command in `<IDEA_HOME>` directory.`tests.cmd` can be used in both Windows and Unix systems.
+To run tests outside of OpenIDE, run the `tests.cmd` command in `<IDEA_HOME>` directory.`tests.cmd` can be used in both Windows and Unix systems.
 Options to run tests are passed as system properties to `tests.cmd` command.
 You may find the list of available properties in [TestingOptions.kt](platform/build-scripts/src/org/jetbrains/intellij/build/TestingOptions.kt)
 
diff --git a/SECURITY.md b/SECURITY.md
deleted file mode 100644
index 925acb881a2c..000000000000
--- a/SECURITY.md
+++ /dev/null
@@ -1,67 +0,0 @@
-# Coordinated Disclosure Policy
-Version 1.3, last updated: June 5, 2020
-
-We do our best to make sure our software is free of any security vulnerabilities. The reality though is that it's not always the case. 
-That is why we are very eager and grateful to hear about any issues you find.
-
-
-## Where to report issues
-
-Please report these issues
-
-* Directly to our [issue tracker](https://youtrack.jetbrains.com) setting issue type to `Security Problem` to limit visibility.
-* Via email [security@jetbrains.com](mailto:security@jetbrains.com) encrypted with a [PGP key](https://www.jetbrains.com/privacy-security/), you can find this on most public key servers.
-
-
-## Reporting conditions
-
-Those reporting issues should conform to the following conditions:
-
-* All communication and disclosure should be made in a coordinated manner, not putting our business or our users and customers at risk.
-* The issue should contain a description and working proof of concept.
-* There should not be any attacks that attempt to access JetBrains or our customers' confidential data.
-* There should not be any attacks that lead to denial of service attacks on our systems and services or jeopardizing them in any way.
-* No automated tools should be used for attacking our systems or services.
-* No social engineering should be targeted against JetBrains employees or customers.
-    
-
-## Proof of concept
-* Proof of concept should be drafted using your data when possible.
-* The impact from the demonstration should be limited to the necessary minimum required to prove the concept.
-* Where it is not possible to avoid interacting with real users or their data, the impact should be minimized to a few entries where it is absolutely necessary to demonstrate a vulnerability.
-* The confidentiality, integrity, and availability of our products, services, data, and business processes are to be respected.
-
-
-## Bug Bounty
-
-We don't have a formal bug bounty program, but depending on the severity of the issue, we often reward reporters based on the issue score that we calculate according to [CVSS](https://www.first.org/cvss).
-We determine the rewards at our discretion and on a case-by-case basis. The available reward options include financial rewards, swag, free licenses for JetBrains products, and mentioning a reporter in the JetBrains Security Bulletin.
-The issue should not already have been announced publicly or known by JetBrains. This includes issues that we are aware of but have not yet disclosed publicly for whatever reasons.
-
-
-## Timeline
-
-* As soon as possible
-
-   * Triage reported vulnerabilities as soon as possible depending on their impact.
-   * Prevent further exposure of users data and further exploitation of a security issue.
-
-* 24 hours from receiving the report
-
-  * Respond to your report with a confirmation of receipt and any questions, or an update on the planned course of action.
-
-* With next release or bug fix update
-
-  * We release updated products with security fixes with the next release or bug fix update.
-  * Shortly after that we inform our customers about the vulnerability and recommend that they update to a more secure version of the product.
- 
-* Weeks following
-  * Announce the vulnerability and its fix on the [JetBrains Blog](https://blog.jetbrains.com) or the product blog. The exact number of weeks depends on multiple factors including planned time for our customers to update their software if necessary.
-
-* Following quarter
-
-  * Announce vulnerabilities we've fixed over the past quarter in our [Security Bulletin](https://www.jetbrains.com/privacy-security/issues-fixed/) 
-  that you can [subscribe to](https://www.jetbrains.com/security/subscribe).
-
-
-If you have any questions or concerns regarding this policy, please reach out to [security@jetbrains.com](mailto:security@jetbrains.com).
diff --git a/platform/platform-impl/bootstrap/src/com/intellij/platform/ide/bootstrap/eua.kt b/platform/platform-impl/bootstrap/src/com/intellij/platform/ide/bootstrap/eua.kt
index 89c5ccc95ff7..7af9a3bf90f2 100644
--- a/platform/platform-impl/bootstrap/src/com/intellij/platform/ide/bootstrap/eua.kt
+++ b/platform/platform-impl/bootstrap/src/com/intellij/platform/ide/bootstrap/eua.kt
@@ -18,23 +18,8 @@ import kotlinx.coroutines.withContext
 
 // On startup, 2 dialogs should be shown: the GDPR agreement and the EU[L]A.
 internal suspend fun loadEuaDocument(appInfoDeferred: Deferred<ApplicationInfoEx>): EndUserAgreementStatus {
-  val vendorAsProperty = System.getProperty("idea.vendor.name", "")
-  val isVendorJetBrains = if (vendorAsProperty.isNotEmpty()) {
-    vendorAsProperty == "JetBrains"
-  }
-  else {
-    appInfoDeferred.await().isVendorJetBrains
-  }
-  if (!isVendorJetBrains) {
-    return EndUserAgreementStatus.NonJbVendor
-  }
-
-  if (AppMode.isRemoteDevHost()) {
-    return EndUserAgreementStatus.RemoteDev
-  }
-
   val document = span("eua getting") {
-    EndUserAgreement.getLatestDocument()
+    EndUserAgreement.getOpenIdeDocument()
   }
   val isAccepted = span("eua is accepted checking") {
     document.isAccepted
diff --git a/platform/platform-impl/src/com/intellij/ide/gdpr/EndUserAgreement.java b/platform/platform-impl/src/com/intellij/ide/gdpr/EndUserAgreement.java
index 2782e7b6f4d8..f71366cbad08 100644
--- a/platform/platform-impl/src/com/intellij/ide/gdpr/EndUserAgreement.java
+++ b/platform/platform-impl/src/com/intellij/ide/gdpr/EndUserAgreement.java
@@ -1,4 +1,7 @@
 // Copyright 2000-2026 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+//
+// Modified by Nikita Iarychenko at 2025 as part of the OpenIDE project (https://openide.ru).
+// Any modifications are available on the same license terms as the original source code.
 package com.intellij.ide.gdpr;
 
 import com.intellij.ide.Prefs;
@@ -36,6 +39,7 @@ public final class EndUserAgreement {
   private static final String EULA_MPS_DOCUMENT_NAME = "euaMps";
   private static final String EULA_MPS_CUSTOM_DOCUMENT_KEY = "mps.eua.document.name";
   private static final String EULA_EAP_DOCUMENT_NAME = EULA_DOCUMENT_NAME + "Eap";
+  private static final String OPEN_IDE_DOCUMENT_NAME = "euaOpenIde";
 
   private static final String PRIVACY_POLICY_CONTENT_FILE_NAME = "Cached";
 
@@ -119,6 +123,10 @@ public final class EndUserAgreement {
     return defaultDocument;
   }
 
+  public static @NotNull Document getOpenIdeDocument() {
+    return loadDocument(OPEN_IDE_DOCUMENT_NAME);
+  }
+
   private static @NotNull Document loadDocument(String docName) {
     var fromFile = loadContent(docName, getDocumentContentFile(docName));
     if (fromFile != null && !fromFile.getVersion().isUnknown()) {
diff --git a/platform/platform-resources/src/euaOpenIde.html b/platform/platform-resources/src/euaOpenIde.html
new file mode 100644
index 000000000000..05eed42785d4
--- /dev/null
+++ b/platform/platform-resources/src/euaOpenIde.html
@@ -0,0 +1,67 @@
+<!-- 1.0 -->
+<!-- 2025-03-06 -->
+<head>
+  <meta charset="UTF-8">
+</head>
+<div class="licenseContent">
+  <h1>Программное обеспечение OpenIDE</h1>
+  <p>
+    Среда разработки OpenIDE распространяется на условиях лицензии AGPL v3.0 или более поздней версии. Текст лицензии
+    размещен по адресу:
+  </p>
+  <p>
+    <a href="https://www.gnu.org/licenses/agpl-3.0.en.html">https://www.gnu.org/licenses/agpl-3.0.en.html</a>
+  </p>
+    <p>Неофициальный перевод на русский язык доступен по адресу:</p>
+    <p><a href="https://www.duralex.org/licenses/agplru.pdf"> https://www.duralex.org/licenses/agplru.pdf</a></p>
+    <p>Неофициальный перевод предоставляется только для удобства понимания условий лицензии, однако юридически применимым
+    является только текст на английском языке.
+  </p>
+
+  <p>
+    Исходный код продукта доступен по адресу: <a href="">наш репозиторий</a>.
+  </p>
+
+  <p>
+    Дистрибутив OpenIDE включает в себя JetBrains Runtime, распространяемый по лицензии GPL v 2.0. Исходный код
+    JetBrainsRuntime доступен по адресу:<br>
+    <a href="">репозиторий</a>.
+  </p>
+
+  <p>
+    Вы можете расширять возможности OpenIDE, подключая или используя предустановленные сторонние аддоны,
+    размещенные по адресу <a href="https://marketplace.openide.ru/page/1">marketplace.openide.ru</a>, либо доступные
+    из других источников. При работе с проектами посредством OpenIDE, вы также можете подключать к проекту сторонние
+    компоненты (такие как JDK). Такие аддоны или компоненты не являются частью OpenIDE и их использование регламентируется
+    собственными лицензиями. Информация о применимой лицензии указана в информации к каждому из аддонов и компонентов,
+    ознакомьтесь с условиями до скачивания/применения.
+  </p>
+
+  <p>
+    При использовании стороннего компонента Axiom JDK в составе проекта OpenIDE, Вы соглашаетесь с условиями
+    лицензии, размещенными по адресу: <a href="https://axiomjdk.ru/axiomjdk-dev/">https://axiomjdk.ru/axiomjdk-dev/</a>
+  </p>
+
+  <p>
+    OpenIDE может собирать обезличенную статистику использования и передавать ее на сервера компании OpenIDE.
+    Такая статистика содержит только ограниченные данные технического характера, сбор информации, охраняемой
+    авторскими правами, законами о коммерческой или иной охраняемой тайне, а также персональных данных любого
+    рода, не производится. С механизмом сбора статистики можно ознакомиться в исходных кодах OpenIDE. Пользователь,
+    скачивая OpenIDE, соглашается с этим условием, однако может самостоятельно отключить отправку статистики во
+    всех версиях OpenIDE.
+  </p>
+
+  <h2>УЧАСТИЕ В ПРОЕКТЕ</h2>
+  <p>Мы приветствуем всех желающих внести свой вклад в развитие OpenIDE. Для участия в проекте вы можете:
+  <p>1. Написать нам на <a href="mailto:xxx@xxx">xxx@xxx</a></p>
+  <p>2. Создать Pull Request в репозитории OpenIDE.</p>
+  <p>Предлагаемые вам изменения должны соответствовать правилам, указанным в <a href="">ссылка на contributing.md</a></p>
+
+  <h2>ПОЛИТИКА КОНФИДЕНЦИАЛЬНОСТИ</h2>
+  <p>
+    Политику конфиденциальности можно найти на данном сайте, перейдя по <a href="">этой ссылке</a>
+  </p>
+
+
+</div>
+</html>
\ No newline at end of file