OpenGrok - OpenGrok is a fast and usable source code search and cross reference engine.
Plato - Share knowledge with your team through simple Q&A
GrepCode - GrepCode.com is a code search engine built by developers for developers to search and browse open...
Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.
Krugle - Krugle is the complete enterprise solution for search targeted to the development organization.
Hustle Crew Membership - Resources and workshops to be anti-racist