Traq
16bugs
jtrac
PlayNice.ly
asitrack โ Assisted Issue Tracking
Bugify
Linear
Codetree
Codegiant
SourceForge
openDesktop.org
OSOR
Jira
Eclipse
Pivotal Tracker
Freecode
Codegiant includes pretty yet powerful tools for agile project management. It is meant to be a single platform for project management. People are loving it as a great alternative to Jira as it is faster with better UI/UX and is free to use for upto 5 users.
Codegiant includes issue tracking, hosted Git repositories, continuous integration and documentation in a single platform. Slack Integrations, API integrations are also in place with Codegiant.
Codegiant16bugs - 16bugs is an all-in-one bug tracking software that makes it easier for you to manage all sorts of bugs in performance with the simple interface; ultimately, you will be more productive for sure.
SourceForge - The Complete Open-Source and Business Software Platform.
jtrac - JTrac is an open source and highly customizable issue-tracking web-application written in Java.
openDesktop.org - The website openDesktop.
PlayNice.ly - PlayNice.ly is a blazing issue tracking software, making it easy for you developers to find out all the major bugs and errors.
OSOR - OSOR is the Open Source Observatory, a project to provide a framework for developing and executing autonomous observations.