SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
Backlog - A cloud-based project management app for developers and their teams.
Coverity Scan - Find and fix defects in your Java, C/C++ or C# open source project for free
Agilo for Scrum - Agilo for Scrum provides an intuitive workflow for your agile projects. Agilo addresses the needs of each scrum role and facilitates the ceremonies of the scrum process by exposing simple interfaces for managing the scrum artifacts.
PyCharm - Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...
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.