diff --git a/README.md b/README.md
index c7c95cec..92083df0 100644
--- a/README.md
+++ b/README.md
@@ -797,6 +797,10 @@ Some data mining competition platforms
 - [DrivenData](https://www.drivendata.org/)
 - [Data Science Society](https://www.datasciencesociety.net/)
 - [Reddit-Data Science](https://www.reddit.com/r/datascience/)
+- [Data Community DC] (https://www.datacommunitydc.org/about)
+- [Data Science Society](https://www.datasciencesociety.net/)
+- [Open Data Science] (https://opendatascience.com/)
+- 
 
 ## Algorithm Communities
 - [Commonlounge Algorithm Community](https://www.commonlounge.com/community/919705a0927646f9b49853ba13793b36)