From cadc834f76c69588c691801c0b157cf5b93545bd Mon Sep 17 00:00:00 2001
From: Jae Beojkkoch <jae@jae.moe>
Date: Wed, 5 Aug 2020 16:17:04 +0200
Subject: [PATCH] Add slack alternatives.

---
 replace/slack.md | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/replace/slack.md b/replace/slack.md
index 84c65fe..b08bd08 100644
--- a/replace/slack.md
+++ b/replace/slack.md
@@ -16,3 +16,22 @@ All-in-one secure chat app for teams, friends and organisations. Keeps conversat
   - **License**: [Apache License 2.0](https://github.com/vector-im/riot-web/blob/develop/LICENSE)
 {% endinfobox %}
 
+## Mattermost
+
+An Open-Source and self-hosted slack alternative.
+
+{% infobox %}
+  - **Website**: [mattermost.com](https://mattermost.com/)
+  - **Source code**: [Github](https://github.com/mattermost/mattermost-server)
+  - **License**: [Apache and MIT License](https://github.com/mattermost/mattermost-server/blob/master/LICENSE.txt)
+{% endinfobox %}
+
+## Rocket Chat
+
+An Open-Source team collaboration tool that can be self-hosted.
+
+{% infobox %}
+  - **Website**: [rocket.chat](https://rocket.chat)
+  - **Source code**: [Github](https://github.com/RocketChat/Rocket.Chat)
+  - **License**: [MIT](https://github.com/RocketChat/Rocket.Chat/blob/develop/LICENSE)
+{% endinfobox %}
\ No newline at end of file
-- 
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