Coverity Scan - Find and fix defects in your Java, C/C++ or C# open source project for free
Decktopus - No more wasting hours for bad slides 🙌
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.
Deck - A multi-timeline viewer for GitHub repository events
Embold.io - Peer Code Review
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.