Vault Professional contains all of the same great version control features found in Vault Standard, with the addition of tightly-integrated, native work item tracking, integration with Axosoft OnTime defect tracking, and build management.
Vault is a version control tool for professional development teams designed to be a compelling replacement for SourceSafe.
SourceOffSite is an add-on product which allows developers to access a SourceSafe database over the Internet.
DiffMerge is a FREE application to visually compare and merge files for Windows, Mac OS X and Linux.