How to contribute to Meta::CPAN
How to contribute to an Open Source project?
Live web sites with editable Open Source source code
Open Source Companies
Open Source Web application frameworks
Ready-made downloadable and deployable Open Source web applications
Go Course: Go and Open Source
Project Management, Quality Assurance, and Test Automation in Open Source Projects
Open Source Desktop Applications
CMOS - Code-Maven Open Source podcast
Why to have Public Version Control System for Open Source Projects?
Why Git is better than Subversion for Open Source Projects