What are some alternatives?
When comparing CircleCI and jtrac, you can also consider the following products
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
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.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
TeamClerk - Team Clerk is project and task management software that automatically keeps your team organized and monitors progress of all of your projects and tasks. Let us organize what you do,so you can focus on why you do it.
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.
Bugzilla - Bugzilla is a "Defect Tracking System" or "Bug-Tracking System".