Services: more messaging alternatives

diff --git a/services.mdwn b/services.mdwn
index 10ca023e42b256b1107501743ad2d298aaa9d214..d05522e606abd24ada5401b62521b09d386e2e0a 100644 (file)
--- a/services.mdwn
+++ b/services.mdwn
@@ -24,6 +24,9 @@ Misc:
 * [CaliOpen](https://caliopen.org/).
 * [ricochet-im - Anonymous peer-to-peer instant messaging](https://github.com/ricochet-im/ricochet).
 * [BigBlue Button](http://www.bigbluebutton.org).
+* [Rocket.Chat](https://rocket.chat/#!).
+* [Mattermost](https://about.mattermost.com/).
+* [Riot. Break through.](https://riot.im/).
 
 Jabber: