SysTools Powerpoint Recovery - SysTools PPTX file recovery tool allow users to recover multiple PPTX files in one go. With the help of 3 recovery modes, it’s very easy to restore as well as repair PowerPoint files. Also, compatibility and robustness make this software reliable.

GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.

PowerPoint Repair Toolbox - PowerPoint Repair Toolbox restores corrupted Microsoft PowerPoint presentations from damaged *.ppt, *.pptx files. The PowerPoint repair tool reads and analyzes the damaged files and exports data the restored data to Microsoft PowerPoint.

Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.

Office Recovery - Data recovery software for corrupted email, databases, office productivity applications and media. Dozens of supported formats include Microsoft Office, SQL Server and Exchange Server files. Free demo downloads.

Mercurial SCM - Mercurial is a free, distributed source control management tool.