Add postiz

README.md

@@ -216,6 +216,7 @@ Reverse ETL|[Castled](https://castled.io/)|Data synchronization framework focuse
 Reverse ETL|[Grouparoo](https://www.grouparoo.com/)|Data synchronization framework|<a href=https://github.com/grouparoo/grouparoo><img src="https://img.shields.io/github/stars/grouparoo/grouparoo?style=social" width=150/></a>|[Hightouch](https://www.hightouch.io/)
 Robotic Process Automation (RPA)|[RoboCorp](https://robocorp.com/)|Set of tooling that allows to create automation packages|<a href=https://github.com/robocorp/rcc><img src="https://img.shields.io/github/stars/robocorp/rcc?style=social" width=150/></a>|[UiPath](https://www.uipath.com/)
 Scheduling|[Cal.com](https://cal.com/)|Scheduling infrastructure, alternative to Calendly|<a href=https://github.com/calendso/calendso><img src="https://img.shields.io/github/stars/calendso/calendso?style=social" width=150/></a>|[Calendly](https://calendly.com/)
+Social Media|[Postiz](https://postiz.com)|Self-hosted social media scheduling tool|<a href=https://github.com/gitroomhq/postiz-app><img src="https://img.shields.io/github/stars/gitroomhq/postiz-app?style=social" width=150/></a>|[Buffer](https://buffer.com/), [Hootsuite](https://hootsuite.com/)
 Session replay software|[OpenReplay](https://openreplay.com/)|Session replay stack for developers|<a href=https://github.com/openreplay/openreplay><img src="https://img.shields.io/github/stars/openreplay/openreplay?style=social" width=150/></a>|[LogRocket](https://logrocket.com/), [FullStory](https://www.fullstory.com/)
 Streaming|[Glimesh](https://glimesh.tv/)|Live streaming platform|<a href=https://github.com/glimesh/glimesh.tv><img src="https://img.shields.io/github/stars/glimesh/glimesh.tv?style=social" width=150/></a>|[Twitch](https://www.twitch.tv/)
 Timeseries database|[CrateDB](https://crate.io/)|Distributed SQL database for real-time analytics of time series data|<a href="https://github.com/crate/crate"><img src="https://img.shields.io/github/stars/crate/crate?style=social" width=150/></a>|[Kdb+](https://kx.com/developers/)