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.
Gitscout - A beautiful Github Issues experience for macOS
Gitslash - Autopopulate your Github Activity Chart
GitHub Reader - A quick way to browse GitHub issues and pull requests.
Zokyo - GitHub Chrome Extension to track and manage issues
GitHub Issues Solved - Find the best solution to GitHub Issue