Maintenance Connection - Maintenance Connection is a computerized software solution that allows to track work orders, asset management and preventative maintenance.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
WorkMate - A web-based project collaboration platform.
Redmine - Flexible project management web application
UpKeep - Upkeep is proven to expedite workflow processes. Keep track of everything you do on a day to day basis with UpKeep!
Trac - Trac is a project management and bug/issue tracking system. Provides an interface to Subversion and an integrated wiki.