Alguns do que participo são:

• https://www.reddit.com/r/brdev/
• https://www.reddit.com/r/golang/
• https://www.reddit.com/r/learnprogramming/
• https://www.reddit.com/r/linuxbrasil/
• https://www.reddit.com/r/programacao/
• https://www.reddit.com/r/SaaS/
• https://www.reddit.com/r/ArquiteturaDeSoftware/