diff --git a/OSSREADME.json b/OSSREADME.json
index 962a0525a03..e09a1190acc 100644
--- a/OSSREADME.json
+++ b/OSSREADME.json
@@ -191,6 +191,41 @@
 		"IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN",
 		"CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE."
 	]
+},
+// START CSharp/Omnisharp
+{
+	"name": "Omnisharp-roslyn",
+	"repositoryURL": "https://github.com/OmniSharp/omnisharp-roslyn",
+	"version": "1.6.7.9",
+	"license": "MIT",
+	"isProd": true
+},
+{
+	"name": "ScriptCS",
+	"repositoryURL": "https://github.com/scriptcs/scriptcs",
+	"version": "0.16.0",
+	"license": "Apache2",
+	"licenseDetail": [
+		"Copyright 2013 Glenn Block, Justin Rusbatch, Filip Wojcieszyn",
+		"",
+		"Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file ",
+		"except in compliance with the License. You may obtain a copy of the License at",
+		"",
+		"http://www.apache.org/licenses/LICENSE-2.0",
+		"",
+		"Unless required by applicable law or agreed to in writing, software distributed under the ",
+		"License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, ",
+		"either express or implied. See the License for the specific language governing permissions ",
+		"and limitations under the License."
+	],
+	"isProd": true
+},
+{
+	"name": "language-csharp",
+	"version": "0.11.0",
+	"license": "Dual-licensed under MIT and GPL",
+	"repositoryURL": "https://github.com/atom/language-csharp",
+	"isProd": true
 }
-
+// END CSharp/Omnisharp
 ]