diff --git a/java/openapi/resources/messages/JavaBundle.properties b/java/openapi/resources/messages/JavaBundle.properties
index 8968837c2574..f913c9f95b18 100644
--- a/java/openapi/resources/messages/JavaBundle.properties
+++ b/java/openapi/resources/messages/JavaBundle.properties
@@ -163,7 +163,7 @@ dialog.import.on.paste.title3=Select Import to Remove
dialog.message.0.update.existing.class={0}. Update existing class?
dialog.message.create.test.in.the.same.source.root=Create test in the same source root?
dialog.message.infer.nullity.annotations.requires.the.project.language.level=Infer Nullity Annotations requires the project language level be set to 1.5 or greater.
-dialog.message.jetbrains.annotations.library.is.missing=JetBrains annotations library is missing.\nWithout the library, IntelliJ IDEA cannot run the analysis. Would you like to add it?
+dialog.message.jetbrains.annotations.library.is.missing=JetBrains annotations library is missing.\nWithout the library, OpenIDE cannot run the analysis. Would you like to add it?
dialog.message.no.places.found.to.infer.nullable.notnull=No places found to infer @Nullable/@NotNull
dialog.paste.on.import.text=The code fragment which you have pasted uses classes that are not accessible by imports in the new context.
Select classes that you want to import to the new file.
dialog.paste.on.import.text2=The code fragment which you have pasted uses elements that are not accessible by imports in the new context.
Select elements that you want to import to the new file.
diff --git a/platform/core-api/resources/messages/CoreBundle.properties b/platform/core-api/resources/messages/CoreBundle.properties
index 7644c6969506..a1cf58ba691d 100644
--- a/platform/core-api/resources/messages/CoreBundle.properties
+++ b/platform/core-api/resources/messages/CoreBundle.properties
@@ -1,3 +1,7 @@
+# Copyright 2000-2025 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.
attempt.to.modify.read.only.document.error.message=Attempt to modify read-only document
button.cancel=Cancel
cannot.delete.a.read.only.file=Cannot delete a read-only file ''{0}''.
@@ -26,8 +30,8 @@ psi.search.scope.union=Union of {0} and {1}
search.scope.unknown=
url.parse.error=Unable to parse URL {0}
url.parse.unhandled.exception=Unable to parse URL, an unhandled exception was thrown
-plugin.loading.error.short.compatible.with.intellij.idea.only=Compatible with IntelliJ IDEA only
-plugin.loading.error.long.compatible.with.intellij.idea.only=Plugin ''{0}'' is compatible with IntelliJ IDEA only because it doesn''t define any explicit module dependencies
+plugin.loading.error.short.compatible.with.intellij.idea.only=Compatible with OpenIDE only
+plugin.loading.error.long.compatible.with.intellij.idea.only=Plugin ''{0}'' is compatible with OpenIDE only because it doesn''t define any explicit module dependencies
plugin.loading.error.text.file.contains.invalid.plugin.descriptor=File ''{0}'' contains invalid plugin descriptor
plugin.loading.error.plugins.cannot.be.loaded.because.they.form.a.dependency.cycle=Plugins {0} cannot be loaded because they form a dependency cycle
plugin.loading.error.short.depends.on.broken.plugin=Depends on plugin ''{0}'' which was marked as incompatible
diff --git a/platform/ide-core/resources/messages/IdeCoreBundle.properties b/platform/ide-core/resources/messages/IdeCoreBundle.properties
index 735a049f532d..71e9748314ec 100644
--- a/platform/ide-core/resources/messages/IdeCoreBundle.properties
+++ b/platform/ide-core/resources/messages/IdeCoreBundle.properties
@@ -1,3 +1,7 @@
+# Copyright 2000-2025 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.
commit.step.user.cancelled=User cancelled
action.text.anchor.top=top
@@ -24,7 +28,7 @@ checkbox.invalidate.caches.invalidates.vfs=Clear file system cache and Local His
watcher.slow.sync=External file changes sync might be slow
watcher.exe.not.found=Native file watcher executable is not found
-watcher.exe.compile=Unfortunately, JetBrains does not officially support native file watcher for this architecture. \
+watcher.exe.compile=Unfortunately, OpenIDE does not officially support native file watcher for this architecture. \
Please follow these instructions to compile it yourself.
watcher.exe.not.exists=Native file watcher is not supported on this platform
watcher.exe.not.exe=Native file watcher is not executable: {0}
diff --git a/platform/platform-api/resources/messages/IdeBundle.properties b/platform/platform-api/resources/messages/IdeBundle.properties
index d0fc2295d5cd..b4cfe290d501 100644
--- a/platform/platform-api/resources/messages/IdeBundle.properties
+++ b/platform/platform-api/resources/messages/IdeBundle.properties
@@ -1164,12 +1164,12 @@ run.anything.context.tooltip=Choose context the current command will be executed
run.anything.accessible.name=Run anything
plugin.signature.not.signed=The ''{0}'' plugin has not been digitally signed, and its authenticity cannot be verified. Installing or updating unsigned plugins may expose your system to risk.
Plugin details: Id: {1} Version: {2} {3}
-jetbrains.certificate.not.found=JetBrains certificate is not found.
+jetbrains.certificate.not.found=OpenIDE certificate is not found.
jetbrains.certificate.vendor=Vendor: {0}
-jetbrains.certificate.invalid=JetBrains certificate is invalid. Please contact JetBrains support.
+jetbrains.certificate.invalid=OpenIDE certificate is invalid. Please contact OpenIDE support.
plugin.invalid.signature.result=Digital signature verification of the ''{0}'' plugin failed with the following message: ''{1}''.
plugin.signature.checker.title=Plugin Security Warning
-plugin.signature.checker.revoked.cert=The ''{0}'' plugin has revoked the JetBrains certificate
+plugin.signature.checker.revoked.cert=The ''{0}'' plugin has revoked the OpenIDE certificate
plugin.signature.checker.yes=Ignore and Continue
plugin.signature.checker.no=Cancel Installation
diff --git a/platform/platform-resources/src/META-INF/LangExtensions.xml b/platform/platform-resources/src/META-INF/LangExtensions.xml
index f8757e15bce5..ae37b2ef8da1 100644
--- a/platform/platform-resources/src/META-INF/LangExtensions.xml
+++ b/platform/platform-resources/src/META-INF/LangExtensions.xml
@@ -1,3 +1,8 @@
+
+
+
+
+
diff --git a/platform/service-container/resources/messages/BootstrapBundle.properties b/platform/service-container/resources/messages/BootstrapBundle.properties
index 136ec4861215..eebbe389f2d9 100644
--- a/platform/service-container/resources/messages/BootstrapBundle.properties
+++ b/platform/service-container/resources/messages/BootstrapBundle.properties
@@ -1,3 +1,7 @@
+# Copyright 2000-2025 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.
bootstrap.error.title.start.failed=Start Failed
bootstrap.error.title.corrupted=Corrupted Installation
bootstrap.error.title.plugin.init=Plugin Initialization Error
@@ -64,8 +68,8 @@ bootstrap.error.request.failed=Process {0} failed to handle the command\n{1} : {
bootstrap.error.message.headless=Application cannot start in a headless mode\
{0,choice,0#|1#, for command: {1}} {2,choice,0#|1# (command line: {3})}
-bootstrap.error.title.marketplace=JetBrains Marketplace Boot Failure
-bootstrap.error.message.marketplace=As a workaround, you may uninstall or update JetBrains Marketplace Support plugin at ''{0}''
+bootstrap.error.title.marketplace=OpenIDE Marketplace Boot Failure
+bootstrap.error.message.marketplace=As a workaround, you may uninstall or update OpenIDE Marketplace Support plugin at ''{0}''
restart.failed.title=Restart Failed
diff --git a/platform/util/resources/misc/registry.properties b/platform/util/resources/misc/registry.properties
index 42666b4de344..64cda2e5f1be 100644
--- a/platform/util/resources/misc/registry.properties
+++ b/platform/util/resources/misc/registry.properties
@@ -1709,7 +1709,7 @@ performance.watcher.pooled.unresponsive.interval.ms=5000
performance.watcher.pooled.unresponsive.interval.ms.description=Log if none pooled threads are available for longer than the specified time interval in ms
freeze.reporter.enabled=true
-freeze.reporter.enabled.description=Report UI freezes to JetBrains
+freeze.reporter.enabled.description=Report UI freezes to OpenIDE
freeze.reporter.maxDumpDuration.ms=40000
freeze.reporter.maxDumpDuration.ms.description=Maximum duration of the 'report.txt' performance snapshot in ms
freeze.reporter.profiling=true