r/opensource↗
Open Source on Reddit
A subreddit for everything open source related (for this context, we go off the definition of open source here http://en.wikipedia.org/wiki/Open_source)
395k subscribers2,630 posts / mo in Sep 2026 (incl. <1% by known bots)2,130 authors / mosince 2008
r/opensource has 395k members (+30% over the last 12 months). It gets about 2,630 posts a month from 2,130 people. Top topics: Open Source Projects, OpenSourceSoftware and Open Office Suites.
When to post on r/opensource
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How r/opensource has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/opensource
Top topics
Share of the subreddit's posts
- Open Source Projects4.0%
- OpenSourceSoftware3.6%
- Open Office Suites1.5%
- GitHub Repositories and Pull Requests1.0%
- Oracle & Java Updates0.4%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Codeberg
- npm
- GNU Project
- GitLab
- PyPI
Everything else about r/opensource
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