Q&A archives and communities that still answer.
Traffic declined post-ChatGPT but the answer archive remains authoritative for JS/Python/Rust/TS. No card ever. Signup only needed to ask/answer.
3.97M members, lighter-weight than SO for tutorials and opinion pieces. Fully free, no card.
Highest-signal senior-dev sub. r/programming and r/learnprogramming also worth following. Free.
100% free forever, nonprofit. 8,521+ exercises, human mentor review. Matches our donations-only rule perfectly.
Superuser, ServerFault, Unix.SE, DBA.SE, Code Review. Free.
Conceptual Q&A companion to Stack Overflow's implementation focus.
Alive despite the rumors. Low volume vs 2020 peak. Free.
Formerly JavaRanch. Java/OCP-cert focused. Free.
Not a stuck-help site itself but hosts thousands of dev communities. Best for real-time help. Free.