Redmine-openshift-quickstart is a project mainly written in RUBY and HTML, it's free.
Redmine project management software for openshift express
Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.
Redmine is open source and released under the terms of the GNU General Public License v2 (GPL).
Create an account at http://openshift.redhat.com/
Create a rails application
rhc-create-app -a redmine -t rack-1.1
Add mysql support to your application
rhc-ctl-app -a redmine -e add-mysql-5.1
Make a note of the username, password, and host name as you will need to use these to login to the mysql database
Add this upstream rails quickstart repo
cd redmine
rm -rf *
git remote add upstream -m master git://github.com/gshipley/redmine-openshift-quickstart.git
git pull -s recursive -X theirs upstream master
Add your database username and password
vi config/database.yml
git commit -a -m "Adding mysql auth information"
Then push the repo upstream
git push
That's it, you can now checkout your application at:
http://redmine-$yourlogin.rhcloud.com
Use the following to login to your new redmine application running on openshift
username: admin
password: admin