Sketch - Professional digital design for Mac.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
SourceTree - Mac and Windows client for Mercurial and Git.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.