• Hosted GIT repos - gitea on SDF (this as an alternative to Microsoft's GitHub or GitLab)
• SDF Introduction to git
• CVS
• Subversion

There are many PROGRAMMING languages available on SDF. Here are some tutorials related to them:

• Using Chicken on SDF - practical implementation of Scheme
• BASIC
  • FreeBASIC
• Ruby on Rails on SDF
  • Using RubyGems at SDF
• Set up a private Perl Module library for Your User Space