Merge de6718128245697da744b28676fda7c674052a31 into 06b7de90c11b4fede6896bf6a6e62f03a63f1ef1

Co-authored-by: nodiscc <nodiscc@gmail.com>

README.md

@@ -370,6 +370,7 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
 - [StoneAge Messenger](https://cweb.gitlab.io/StoneAge.html) - A self-hosted Android messenger, S3-compatible storage is the only backend needed. ([Source Code](https://gitlab.com/cweb-repos/cweb-conversations), [Clients](https://f-droid.org/en/packages/com.cweb.messenger/)) `GPL-3.0` `Java`
 - [Synapse](https://matrix.org/docs/projects/server/synapse) - Server for [Matrix](https://matrix.org/), an open standard for decentralized persistent communication. ([Source Code](https://github.com/matrix-org/synapse)) `Apache-2.0` `Python`
 - [Syndie](https://syndie.de) - Syndie is a libre system for operating distributed forums. `CC0-1.0` `Java`
+- [Tailchat](https://tailchat.msgbyte.com/) - Next generation noIM application in your own workspace, not only another Slack/Discord/Rocke.Chat. `Apache-2.0` `Nodejs`
 - [TextBelt](https://github.com/typpo/textbelt) `⚠` - Outgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads. `MIT` `Javascript`
 - [Tiledesk](https://tiledesk.com) - All-in-one customer engagement platform from lead-gen to post-sales, from WhatsApp to your website. With omni-channel live agents and AI-powered chatbots. Self hosted alternative to Intercom, Zendesk, Tawk.to and Tidio. ([Source Code](https://github.com/Tiledesk/tiledesk)) `MIT` `Docker/K8S`
 - [Tinode](https://github.com/tinode) - Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots. ([Demo](https://sandbox.tinode.co/), [Source Code](https://github.com/tinode/chat), [Clients](https://github.com/tinode/webapp)) `GPL-3.0` `Go`
@@ -1907,7 +1908,7 @@ _Related: [Ticketing](#ticketing), [Task Management & To-do Lists](#task-managem
 - [Phproject](https://www.phproject.org/) - High performance full-featured project management system. ([Source Code](https://github.com/Alanaktion/phproject)) `GPL-3.0` `PHP`
 - [Plane](https://plane.so) - Open Source JIRA, Linear and Height Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible. ([Demo](https://app.plane.so), [Source Code](https://github.com/makeplane/plane)) `Apache-2.0` `Docker`
 - [ProjeQtOr](https://www.projeqtor.org/) - A complete, mature, multi-user project management system with extensive functionality for all phases of a project. ([Demo](https://demo.projeqtor.org/), [Source Code](https://sourceforge.net/p/projectorria/code/HEAD/tree/branches/)) `AGPL-3.0` `PHP`
-- [Redmine](https://www.redmine.org/) - Redmine is a flexible project management web application. ([Demo](http://demo.redmine.org/), [Source Code](https://svn.redmine.org/redmine/)) `GPL-2.0` `Ruby`
+- [Redmine](https://www.redmine.org/) - Redmine is a flexible project management web application. ([Source Code](https://svn.redmine.org/redmine/)) `GPL-2.0` `Ruby`
 - [RhodeCode](https://rhodecode.com/) - RhodeCode is an open source platform for software development teams. It unifies and simplifies repository management for Git, Subversion, and Mercurial. ([Source Code](https://code.rhodecode.com/)) `AGPL-3.0` `Python`
 - [Rukovoditel](https://www.rukovoditel.net/) - Configurable open source project management, web-based application. ([Source Code](https://www.rukovoditel.net/download.php)) `GPL-2.0` `PHP`
 - [SCM Manager](https://www.scm-manager.org/) - The easiest way to share and manage your Git, Mercurial and Subversion repositories over http. ([Source Code](https://github.com/scm-manager/scm-manager)) `BSD-3-Clause` `Java`