Merge branch 'openproject' of https://github.com/lifepillar/awesome-sysadmin into lifepillar-openproject

Conflicts:
	README.md

README.md

@@ -405,8 +405,9 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 
 * [ChiliProject](https://www.chiliproject.org) - Fork of Redmine.
 * [GitBucket](https://github.com/takezoe/gitbucket) Clone of GitHub written in Scala; single jar install.
-* [GitLab](https://www.gitlab.com/) - Clone of GitHub written in Ruby. 
+* [GitLab](https://www.gitlab.com/) - Clone of GitHub written in Ruby.
 * [Gogs](http://gogs.io/) - Written in Go.
+* [OpenProject](https://www.openproject.org) - Project collaboration with open source.
 * [Phabricator](http://phabricator.org/) Written in PHP.
 * [Redmine](http://www.redmine.org/) - Written in ruby on rails.
 * [The Bug Genie](http://www.thebuggenie.com/) - Written in PHP.