r/compsci↗
Computer Science: Theory and Application
Computer Science Theory and Application. We share and discuss any content that computer scientists find interesting. People from all walks of life welcome, including hackers, hobbyists, professionals, and academics.
4M subscribers188 posts / mo in Sep 2026163 authors / mosince 2008
r/compsci has 4M members (+0.6% over the last 12 months). It gets about 188 posts a month from 163 people. Top topics: Computer Science Education, Data Structures & Algorithms and Programming Languages.
When to post on r/compsci
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How r/compsci has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/compsci
Top topics
Share of the subreddit's posts
- Computer Science Education1.8%
- Data Structures & Algorithms1.6%
- Programming Languages1.5%
- Computer Science Major1.5%
- CS Career & Jobs1.2%
Brands people mention
Most-mentioned brands and sites, last 12 months
- arXiv.org e-Print archive
- Doi
- Substack
- Medium
- Zenodo
Everything else about r/compsci
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research