Update:

Bitejo Marketplace (buy and sell products, services, jobs and exchanges for Bitcoin, Monero, gold/silver and cash) and Kuno Fundraisers (Monero-friendly alternative to Gofundme/Kickstarter) are now open source.

Bitejo source code (public domain):
https://codeberg.org/anarkio/bitejo

Kuno source code (public domain):
https://codeberg.org/anarkio/kuno