diff --git a/wiki/alternatives_to.md b/wiki/alternatives_to.md
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+# Alternatives to
+
+This article is a list of proprietary hard- and software and alternatives to
+them or privacy respecting clients/frontends.
+
+## Social networks and platforms
+
+- [Twitter](https://twitter.com) is a microblogging service.
+  - [Fritter](https://github.com/jonjomckay/fritter) is a free, open-source Twitter
+  client for Android and iOS. Fritter features local subscription management.
+
+- [Reddit](https://reddit.com) is a webcontent website for various topics.
+  - [Slide](https://github.com/ccrama/Slide) is a open sourced Reddit browser for
+  Android. Slide does not feature local subscription management, so you will still
+  need a reddit account.
+
+- [YouTube](https://youtube.com) is a online video platform owned by Google.
+  - [Invidious](./invidious.md) is a copyleft and open-source alternative frontend.
+  Invidious features local subscription management.
+  - [NewPipe](https://newpipe.net/) is an free and open-source android youtube client.
+  NewPipe features local subscription management.
+
+## Mobile software and smart devices
+
+- Preinstalled apps can be found on many android devices.
+  - [SimpleMobileTools](https://www.simplemobiletools.com/) features a wide variety
+  of apps, that can replace the preinstalled apps (calendar, gallery, launcher, etc.).
+
+- Nearly every fitness tracker and smart watch has it's own proprietary app to connect
+to it.
+  - [GadgetBridge](https://codeberg.org/Freeyourgadget/Gadgetbridge) is a free and
+  cloudless alternative compatible with many devices.
diff --git a/wiki/owncloud.md b/wiki/owncloud.md
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 # Owncloud
 
+ownCloud is a free client-server cloud-service.
+
 ## Server
 
 A server can be setup via docker with the [owncloud image](./docker-images/owncloud.md).