Subversion is a centralized version control system I used for my projects until I migrated to git.

Clients

• Svn binaries for windows
• TortoiseSVN (shell integration for Windows)
• SCPlugin (TortoiseSVN for Mac)
• Versions (Mac)

Hosting

• Assembla (free)
• Beanstalk (free)
• Dreamhost

Troubleshoot

• Self-signed certificates and SCPlugin