Add qpixel to Social Networks and Forum (#3284)

README.md

@@ -538,6 +538,7 @@ Simple deployment of [E-mail](https://en.wikipedia.org/wiki/Email) servers, e.g.
 - [Hubzilla](https://hubzilla.org) - Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform. ([Source Code](https://framagit.org/hubzilla/core)) `MIT` `PHP`
 - [HumHub](https://www.humhub.org/) - Flexible kit for private social networks. ([Source Code](https://github.com/humhub/humhub)) `AGPL-3.0` `PHP`
 - [Isso](https://posativ.org/isso/) - Lightweight commenting server written in Python and Javascript. It aims to be a drop-in replacement for Disqus. ([Source Code](https://github.com/posativ/isso)) `MIT` `Python/Docker`
+- [kbin](https://kbin.pub/) - Federated content aggregator and microblogging platform. ([Source Code](https://github.com/ernestwisniewski/kbin)) `AGPL-3.0` `PHP/Nodejs/Docker`
 - [Lemmy](https://join-lemmy.org/) - A link aggregator / reddit clone for the fediverse. Reddit alternative built in Rust. ([Source Code](https://github.com/LemmyNet/lemmy)) `AGPL-3.0` `Rust`
 - [Libreddit](https://libredd.it/) `⚠` - Private front-end for Reddit written in Rust. ([Source Code](https://github.com/spikecodes/libreddit)) `AGPL-3.0` `Rust`
 - [Loomio](https://www.loomio.org/) - Loomio is a collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them. ([Source Code](https://github.com/loomio/loomio)) `AGPL-3.0` `Ruby`
@@ -564,6 +565,7 @@ Simple deployment of [E-mail](https://en.wikipedia.org/wiki/Email) servers, e.g.
 - [Thredded](https://github.com/thredded/thredded) - Forums, feature-rich and simple. `MIT` `Ruby`
 - [Tokumei](https://tokumei.co/) - Anonymous microblogging platform. ([Source Code](https://gitlab.com/tokumei/tokumei)) `ISC` `rc`
 - [twister](http://twister.net.co/) - Fully decentralized P2P microblogging platform leveraging the free software implementations of Bitcoin and BitTorrent protocols. ([Source Code](https://github.com/miguelfreitas/twister-core)) `MIT` `C++`
+- [qpixel](https://codidact.com/) - Q&A-based community knowledge-sharing software. ([Source Code](https://github.com/codidact/qpixel)) `AGPL-3.0` `Ruby`
 - [Vanilla Forums](https://vanillaforums.org/) - Simple and flexible forum software. ([Source Code](https://github.com/vanilla/vanilla)) `GPL-2.0` `PHP`
 - [yarn.social](https://yarn.social) - Self-Hosted, Twitter™-like Decentralised micro-logging platform. No ads, no tracking, your content, your data. ([Source Code](https://git.mills.io/yarnsocial/yarn)) `MIT` `Go`
 - [Zusam](https://github.com/zusam/zusam) - Free and open-source way to self-host private forums for groups of friends or family. ([Demo](https://demo.zusam.org)) `AGPL-3.0` `PHP`
@@ -1839,6 +1841,7 @@ _See also: [awesome-sysadmin/Code Review](https://github.com/awesome-foss/awesom
 
 - [Bonobo Git Server](https://bonobogitserver.com/) - Set up your own self hosted git server on IIS for Windows. Manage users and have full control over your repositories with a nice user friendly graphical interface. ([Source Code](https://github.com/jakubgarfield/Bonobo-Git-Server)) `MIT` `C#`
 - [Fossil](https://www.fossil-scm.org/index.html/doc/trunk/www/index.wiki) - Distributed version control system featuring wiki and bug tracker. `BSD-2-Clause-FreeBSD` `C`
+- [Gerrit](https://www.gerritcodereview.com/) - A code review and project management tool for Git based projects. ([Source Code](https://github.com/GerritCodeReview/gerrit)) `Apache-2.0` `Java/Docker`
 - [Gitblit](https://gitblit.github.io/gitblit/) - Pure Java stack for managing, viewing, and serving Git repositories. ([Source Code](https://github.com/gitblit/gitblit)) `Apache-2.0` `Java`
 - [gitbucket](https://gitbucket.github.io/gitbucket-news/) - Easily installable GitHub clone powered by Scala. ([Source Code](https://github.com/gitbucket/gitbucket)) `Apache-2.0` `Scala/Java`
 - [Gitea](https://gitea.io) - Community managed fork of Gogs, lightweight code hosting solution. ([Demo](https://try.gitea.io), [Source Code](https://github.com/go-gitea/gitea)) `MIT` `Go`