r/opensource

Community Overview
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reddit.com/r/opensource/
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About r/opensource

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)

The community at a glance

r/opensource is a Subreddit for Open Source Developers with roughly 381K members. It uses a forum format for communication. It is the 2nd largest community in the Open Source Software topic page.

Roughly 92K members have joined in the past year. Popular discussion topics include Software, Hate, and Worst. Product recommendations often mention best game engine, best custom rom for s21 ultra, and best pdf reader for windows? adobe acrobat alternative.

On Reddit
381K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +92K members
Growth: +31.6% / year

Member growth over time

All time (yearly)

  • 2013: 5K members
  • 2014: 5K members
  • 2015: 3K members
  • 2016: 6K members
  • 2017: 8K members
  • 2018: 15K members
  • 2019: 38K members
  • 2020: 27K members
  • 2021: 25K members
  • 2023: 55K members
  • 2024: 39K members
  • 2025: 66K members
  • 2026: 67K members

Past year (monthly)

  • Oct: 7K members
  • Nov: 7K members
  • Dec: 7K members
  • Jan: 8K members
  • Feb: 7K members
  • Mar: 11K members
  • Apr: 8K members
  • May: 8K members
  • Jun: 8K members
  • Jul: 8K members
  • Aug: 7K members
  • Sep: 2K members

Topics

  • Software
    3 posts in the past month
    #1
    Software
    3
  • Hate
    3 posts in the past month
    #2
    Hate
    3
  • Worst
    2 posts in the past month
    #3
    Worst
    2
  • Open Source
    2 posts in the past month
    #4
    Open Source
    2

Flair

  • Promotional
    27 posts in the past month
    1. A developer scraped my AGPL-3.0 app, stripped my attribution, and put it on app stores as a paid closed-source binary.
    2. Vendors charge $1000+/mo for this data. I'm giving it away for free.
    3. Ity: tiny yet powerful scripting language.
    #1
    Promotional
    A developer scraped my AGPL-3.0 app, stripped my attribution, and put it on app stores as a paid closed-source binary. · Vendors charge $1000+/mo for this data. I'm giving it away for free. · Ity: tiny yet powerful scripting language.
    27
  • Discussion
    6 posts in the past month
    1. New to open source. Need advice on etiquette for my project
    2. Have AI workflows changed your propensity to publish your projects as OS?
    3. do people use ai to solve problems in osc?
    #2
    Discussion
    New to open source. Need advice on etiquette for my project · Have AI workflows changed your propensity to publish your projects as OS? · do people use ai to solve problems in osc?
    6
  • Community
    3 posts in the past month
    1. Open Source Mind Map Software needs some love!
    2. Made a tool to mirror Windows audio to two headphones in sync (wired + bluetooth), because apparently this just doesn't exist
    3. A publishing platform applying open-source-style collaborative editing to actual books — readers comment on passages, authors accept/reject, and a new draft version gets published
    #3
    Community
    Open Source Mind Map Software needs some love! · Made a tool to mirror Windows audio to two headphones in sync (wired + bluetooth), because apparently this just doesn't exist · A publishing platform applying open-source-style collaborative editing to actual books — readers comment on passages, authors accept/reject, and a new draft version gets published
    3
  • Alternatives
    1 post in the past month
    1. Looking for a document scanner for iOS
    #4
    Alternatives
    Looking for a document scanner for iOS
    1
  • Off-Topic
    1 post in the past month
    1. controller + phone/laptop ----> your pc. 2ms delay
    #5
    Off-Topic
    controller + phone/laptop ----> your pc. 2ms delay
    1

Product recommendations

  • best game engine
    2 posts in the past month
    1. Best Game Engine
    2. Best Game Engine
    #1
    best game engine
    Best Game Engine · Best Game Engine
    2
  • best custom rom for s21 ultra
    2 posts in the past month
    1. Best Custom ROM FOR S21 Ultra
    2. Best Custom ROM FOR S21 Ultra
    #2
    best custom rom for s21 ultra
    Best Custom ROM FOR S21 Ultra · Best Custom ROM FOR S21 Ultra
    2
  • best pdf reader for windows? adobe acrobat alternative
    2 posts in the past month
    1. Best pdf reader for windows? adobe acrobat alternative
    2. Best pdf reader for windows? adobe acrobat alternative
    #3
    best pdf reader for windows? adobe acrobat alternative
    Best pdf reader for windows? adobe acrobat alternative · Best pdf reader for windows? adobe acrobat alternative
    2
  • best oss/selfhosted software for log analysis and alerting
    2 posts in the past month
    1. Best OSS/Selfhosted software for log analysis and alerting
    2. Best OSS/Selfhosted software for log analysis and alerting
    #4
    best oss/selfhosted software for log analysis and alerting
    Best OSS/Selfhosted software for log analysis and alerting · Best OSS/Selfhosted software for log analysis and alerting
    2
  • best open source ai image upscaler 2025
    2 posts in the past month
    1. Best Open Source AI Image Upscaler 2025
    2. Best Open Source AI Image Upscaler 2025
    #5
    best open source ai image upscaler 2025
    Best Open Source AI Image Upscaler 2025 · Best Open Source AI Image Upscaler 2025
    2
View full analysis on GummySearchSynced 9/9/2026

Frequently asked questions

Who is r/opensource for?
Best for Open Source Developers enthusiasts looking for a Reddit-based community with forum discussion.
Is r/opensource free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/opensource have?
Roughly 381K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/opensource on?
r/opensource runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/opensource cover?
On the Hive Index, r/opensource is organized under Open Source Developers.
How do I join r/opensource?
You can join r/opensource by clicking this link, or pressing the "Go to community" button above.
What are the Open Source Software communities like?
Communities for open source contributors and maintainers covering everything from trading bots to backend frameworks. GitHub, Discord, and Slack host communities for specific projects with active developer discussion and contribution workflows.
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Added 11/29/2023

Monthly Stats

5
Views /mo
(-29%)
5
Visitors /mo
(-17%)
1
Referrals /mo
(-50%)

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