• How To Create a Pull Request on GitHub
• GitHub Training Kit: Open source slides, workbook, and cheat sheet courseware for teaching Git and GitHub classes
• Understanding the GitHub Flow
• Patchwork: Casual, mentored workshops for beginners to Git and GitHub

• An Introduction to Open Source
• Open Source Guides
• Articles about open source

• GitHub
• Hacktoberfest

Find more resources and useful tips for participants on the Hacktoberfest site.