Hi there!

Web application authentication is one of the most important components of any web app. There are various options of open source authentication solutions on the market, yet making a choice could be quite tricky.

Which authentication solution do you prefer and why?

Here are some widely used options:
- Keycloak
- Authentik
- SuperTokens
- Ory
- FusionAuth Community Edition
- Supabase Auth

Please share your experience:
- Which one are you using now?
- Was it easy to implement?
- Does it have OAuth, SSO, JWT or something else?
- What are the pros and cons?
- Would you recommend it for startups/enterprise?

Discussing the best open source authentication solutions together will help other developers make their decisions easier.