r/opensource

Updated 2026-10-24

r/opensource is a Finance & Crypto community on Reddit with 369,278 members, ranking #85 of 2,433 in Finance & Crypto. 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)

369,278 membersFinance & Crypto#85 in category
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How big is r/opensource?

Created in 2008, r/opensource has had over a decade to grow and is a large community by Reddit standards. Within Finance & Crypto it ranks #85 of 2,433 communities we track — the top 3.5% of the category by subscriber count. That puts it about 613× the median Finance & Crypto subreddit, which has 602 members. It is a work-safe community with no 18+ flag on Reddit.

For scale, the largest Finance & Crypto community we track is r/personalfinance with 21,774,649 members — roughly 59 times the size of r/opensource. Reddit itself launched in 2005, so a subreddit created in 2008 sits in the early wave of community building on the platform. Subscriber counts indicate reach, not activity — a large community can be quiet, and a smaller one busy. Open r/opensource on Reddit to see how often people actually post before deciding whether it is worth joining.

Members369,278
CategoryFinance & Crypto
Rank in category#85 of 2,433
Created2008
Category median size602 members
Content ratingWork-safe (SFW)

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Subscriber counts come from the public Reddit API and are refreshed when this directory is rebuilt. Redditory is not affiliated with Reddit Inc.

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