diff --git a/README.md b/README.md
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@@ -1286,6 +1286,7 @@ _See also [Ticketing](#ticketing), [Task management/To-do lists](#task-managemen
 - [Phabricator](http://phabricator.org/) - Collection of web applications that help build better software. ([Demo](https://secure.phabricator.com/), [Source Code](https://github.com/phacility/phabricator)) `Apache-2.0` `PHP`
 - [Phproject](http://www.phproject.org/) - High performance full-featured project management system. ([Demo](http://demo.phproject.org/), [Source Code](https://github.com/Alanaktion/phproject)) `GPL-3.0` `PHP`
 - [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`
+- [Re:Backlogs](https://github.com/kaishuu0123/rebacklogs) - Re:Backlogs is an Open Source project management and collaboration tool powered by Ruby on Rails & VueJS. ([Demo](https://rebacklogs.saino.me/), [Source Code](https://github.com/kaishuu0123/rebacklogs)) `MIT` `Ruby`
 - [Redmine](http://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`
 - [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. ([Demo](https://try.rhodecode.com/), [Source Code](https://code.rhodecode.com/)) `AGPL-3.0` `Python`
 - [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://bitbucket.org/sdorra/scm-manager/src)) `BSD-3-Clause` `Java`
@@ -1295,6 +1296,7 @@ _See also [Ticketing](#ticketing), [Task management/To-do lists](#task-managemen
 - [Tuleap](https://www.tuleap.org/) - Tuleap is a libre suite to plan, track, code and collaborate on software projects. ([Source Code](https://tuleap.net/plugins/git/tuleap/tuleap/stable?p=tuleap%2Fstable.git&a=tree)) `GPL-2.0` `PHP`
 - [UVDesk](https://www.uvdesk.com/) - UVDesk community is a service oriented, event driven extensible opensource helpdesk system that can be used by your organization to provide efficient support to your clients effortlessly whichever way you imagine. ([Demo](https://demo.uvdesk.com/), [Source Code](https://github.com/uvdesk/community-skeleton)) `MIT` `PHP`
 - [ZenTao](http://www.zentao.pm/) - An agile(scrum) project management system/tool. ([Demo](http://demo.zentao.pm/user-login.html), [Source Code](https://github.com/easysoft/zentaopms)) `ZPL-1.2` `PHP`
+- [Re:Backlogs](https://github.com/kaishuu0123/rebacklogs) - Re:Backlogs is an Open Source project management and collaboration tool powered by Ruby on Rails & VueJS. ([Demo](https://rebacklogs.saino.me/), [Source Code](https://github.com/kaishuu0123/rebacklogs)) `MIT` `Ruby`
 
 ### Bug Trackers