Apache SubversionEnterprise-class centralized version control for the masses.Just nowHas APIPricingFreeFree to $5000/yrVersion ControlBranching and MergingCollaborationSaveCompare
Mercurial SCMA free, distributed source control management tool for projects of any size.Just nowPricingFreeFreeVersion ControlBranching and MergingCode CollaborationSaveCompare