- Programmer's Hangout - General programming community
- The Coding Den - Another general programming community
- CodeSupport - Get support for your coding efforts
- Buildspace - Get started with web3
Here are some more detailed lists that include some language-specific Discord servers (sadly some of the servers in these lists no longer seem active):
Sign up for my mailing list and get your free ebook
"The 30-Minute Project: How to improve Your Side Project Game to Become a Better Developer"
at 30-Minute Project