productboard - Beautiful and powerful product management.
Gitscout - A beautiful Github Issues experience for macOS
ProdPad - ProdPad helps your team gather ideas, surface the best ones and turn them into product specs, and then put it all on a product roadmap.
GitHub Reader - A quick way to browse GitHub issues and pull requests.
ProductPlan - Cloud-based product roadmap software solution
Codetree - You can manage your entire development process through GitHub.