Open source alternative to Auth0 / Firebase Auth / AWS Cognito
Auth0 is nice, but you're vendor locking yourself in a very expensive technology. Have you tried Supertokens instead ?
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
You need to implement authentication in your app, where do you start?
1 project | reddit.com/r/AskProgramming | 4 Aug 2022
Ask HN: Passwordless vs. password-based login, which one to use?
2 projects | news.ycombinator.com | 14 Jul 2022
Company asking selected candidates to submit a cheque of 6L as Service Agreement
1 project | reddit.com/r/developersIndia | 14 Jul 2022
Need support of fellow Indian devs for my open-source project
1 project | reddit.com/r/developersIndia | 11 Jul 2022
Passwordless User Auth by SuperTokens
1 project | reddit.com/r/programming | 11 Jul 2022