The main developer resources can be found on GitHub in the MISP Wiki.

The following pages are worth inspecting closer in case you want to actively develop for MISP:

• The real FAQ
• Contributor Overview
• Some objectives of MISP
• Various deployment tools
• MISP Code of Conduct
• UI coloring scheme
• Notes on MISP and STIX 2
• Commit Messages Best Practices
• Internationalization (i18n)

Our gitter channel is a welcome place to ask other community developers in case you are stuck.