- [Lets-Chat](http://sdelements.github.io/lets-chat/) - Self hosted chat suite written in Node. ([Source Code](https://github.com/sdelements/lets-chat)) `MIT``Nodejs`
- [Live Helper Chat](http://livehelperchat.com/) - Live Support chat for your website. ([Source Code](https://github.com/LiveHelperChat/livehelperchat)) `Apache-2.0``PHP`
- [Mattermost](http://www.mattermost.org/) - Open-source, on-prem Slack-alternative. It can be integrated with [Gitlab](https://about.gitlab.com/). ([Source Code](https://github.com/mattermost/mattermost-server)) `AGPL-3.0/Apache``Go`
@ -973,7 +974,6 @@ See also <https://en.wikipedia.org/wiki/List_of_streaming_media_systems>, <https
- [ytdl-webserver](https://github.com/Algram/ytdl-webserver) - Docker-ready webserver for downloading youtube videos. `MIT``Nodejs`
- [Kimai](http://www.kimai.org/) - Simple time and project tracking. ([Demo](http://www.kimai.org/demo/), [Source Code](https://github.com/kimai/kimai)) `GPL-3.0``PHP`
- [King Phisher](https://github.com/securestate/king-phisher) - King Phisher is a tool for testing and promoting user awareness by simulating real world phishing attacks. `BSD-3-Clause``Python`
- [Maily Form](https://github.com/jlelse/Maily-Form) - Self-hosted service you can use to place forms on static sites. It uses nodemailer and you can host it with Docker. `GPL-3.0``Nodejs/Docker`
- [Monica](https://monicahq.com/) - Personal relationship manager, and a new kind of CRM to organize interactions with your friends and family. ([Source Code](https://github.com/monicahq/monica)) `AGPL-3.0``PHP`
- [Musical Artifacts](https://musical-artifacts.com/) - Helping to catalog, preserve and free the artifacts you need to produce music. ([Source Code](https://github.com/lfzawacki/musical-artifacts)) `MIT``Ruby`