Community
Tech Conferences
Company Based
Industry Based
Language / Platform
Tool Based
Professional Organizations
Online and IRL Community Tools
Software Repos and Social - github.com
Forum - Software Engineering Stack Exchange
Q&A - Stack Overflow
IRL - Meetup.com
Competitive Algorithm Challenges - HackerRank
Solo Algo Challenges - Leetcode
Social Media - dev.to
Community Site - Codenewbie
Hackathons - Devpost
Indie Games, Game Jams, and Dev Resources - itch.io
AND MORE!
Find organizations and events based around your interests, life, and community. CS is still an emerging profession and is still not a mainstream hobby, so there are always new things coming up, maybe you'll even start the next big thing.