diff --git a/.gitmodules b/.gitmodules
index 3d85699..c2cba13 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,15 +4,6 @@
 [submodule "sdkjs"]
 	path = sdkjs
 	url = https://github.com/ONLYOFFICE/sdkjs.git
-[submodule "web-apps"]
-	path = web-apps
-	url = https://github.com/ONLYOFFICE/web-apps.git
-[submodule "core-ext"]
-	path = core-ext
-	url = https://github.com/ONLYOFFICE/core-ext.git
 [submodule "desktop-sdk"]
 	path = desktop-sdk
-	url = https://github.com/ONLYOFFICE/desktop-sdk.git
-[submodule "document-builder-package"]
-	path = document-builder-package
-	url = https://github.com/ONLYOFFICE/document-builder-package.git
\ No newline at end of file
+	url = https://github.com/ONLYOFFICE/desktop-sdk.git
\ No newline at end of file
diff --git a/README.md b/README.md
index 0467786..ab641bf 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,15 @@
-Repository in development
+## Overview
+
+ONLYOFFICE Document Builder allows you to build docs easily without running an actual edutor. It also allows the developers to automate document building using the templates. 
+
+Document Builder has all the features of a common document editor but is lightweight and can be easily integrated into your document management system, CRM system, etc. 
+
+## Project information
+
+Official website: [https://www.onlyoffice.com/document-builder.aspx](https://www.onlyoffice.com/document-builder.aspx?utm_source=github&utm_medium=cpc&utm_campaign=GitHubBuilder)
+
+Code repository: https://github.com/ONLYOFFICE/DocumentBuilder
+
+Document Builder API https://api.onlyoffice.com/docbuilder/basic
+
+ONLYOFFICE Document Builder is dual-licensed. For commercial use, contact sales@onlyoffice.com
diff --git a/core b/core
index 2b8efdd..41606e9 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 2b8efdd9b1b54211d353865e1f2fd1cf8a73711f
+Subproject commit 41606e907a93f22cc6e62a15813a441fff416c8b
diff --git a/core-ext b/core-ext
deleted file mode 160000
index 217e6f0..0000000
--- a/core-ext
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 217e6f0264330b0bc5a29d5df402b6d41d127c78
diff --git a/desktop-sdk b/desktop-sdk
index 79900a3..963b18f 160000
--- a/desktop-sdk
+++ b/desktop-sdk
@@ -1 +1 @@
-Subproject commit 79900a321aa941c8fcee59438ef38c5115cb358c
+Subproject commit 963b18ff72c17f2eea01d13069d1b9654934750b
diff --git a/document-builder-package b/document-builder-package
deleted file mode 160000
index e601114..0000000
--- a/document-builder-package
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit e6011145d47d4225d15bb3c03e73f7eb1db7d77d
diff --git a/sdkjs b/sdkjs
index d8d3496..70bf684 160000
--- a/sdkjs
+++ b/sdkjs
@@ -1 +1 @@
-Subproject commit d8d34964510e40e7f5212a91f48f37d00346cf0a
+Subproject commit 70bf6846ec031ddd3f2d006f3396672874c73563
diff --git a/web-apps b/web-apps
deleted file mode 160000
index a5d2f23..0000000
--- a/web-apps
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a5d2f236a17d21ac0a9cfc91f4c237d685fec542