add link

diff --git a/Kalender/2019-01-17/index.mdwn b/Kalender/2019-01-17/index.mdwn
index 01c92e1a3dd08ebf1018c50973f4bdbb7ea62d5f..81a4f3fc018b72ccb823c286619a26acadb64220 100644 (file)
--- a/Kalender/2019-01-17/index.mdwn
+++ b/Kalender/2019-01-17/index.mdwn
@@ -19,7 +19,7 @@ im [Metalab](http://www.metalab.at/) ab 19:00.
   - https://hashman.ca/conservancy-2018/
   - https://joinmastodon.org/
   - Video Chat?
-    - free Signal alternatives?
+    - free Signal alternatives?  riot.im
 - [Elektra 0.8.25 Release](https://www.libelektra.org/news/0.8.25-release) ([Pro-Linux](https://www.pro-linux.de/news/1/26510/elektra-0825-erschienen.html))
 - Infallible APIs (e.g. [Infallible memory allocation](https://developer.mozilla.org/en-US/docs/Mozilla/Infallible_memory_allocation))
 - VirtualBox