Sturdy is described as 'Software collaboration for teams' and is an app in the Office & Productivity category. There are more than 25 alternatives to Sturdy for a variety of platforms, including Windows, Linux, Mac, BSD and Haiku. The best alternative is Git, which is both free and Open Source. Other great apps like Sturdy are Mercurial SCM (Free, Open Source), Apache Subversion (Free, Open Source), Fossil (Free, Open Source) and Bazaar (Free, Open Source).
Mercurial is a free, distributed source control management tool. It efficiently handles projects of any size and offers an easy and intuitive command line interface. Mercurial efficiently handles projects of any size and kind.
Bazaar is a tool for helping people collaborate. It tracks the changes that you and other people make to a group of files - such as software source code - to give you snapshots of each stage of their evolution.
Darcs is an advanced revision control system, for source code or other files. It is fully distributed, and supports lazy fetching of the remote repository (fetching only what is needed at the time, rather than all history).
An open source, distributed version control and bug tracking system for Windows, Mac OS X, and Linux. Taking a different approach to the DVCS world with bug tracking, build status tracking, and wiki included together with the versioned code.
The Perforce Software Configuration Management System features comprehensive SCM capabilities built around a scalable client/server architecture. Users can access the Perforce Server through a range of Perforce client software.