Linear - Streamlined issue tracking for software teams
Hygger - Hygger - is an Agile project management tool with built-in prioritization.
BugHerd - BugHerd: The Website Feedback Tool for Agencies
KanbanFlow - KanbanFlow is a Lean project management tool allowing real-time collaboration between team members. Supports the Pomodoro technique for time tracking.
Distiller - Distiller's hosted continuous integration platform takes the pain out of mobile development through automated build, test, and deployment of your iOS apps.
GitHub for Atom - Git and GitHub integration right inside Atom