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 372K members. It uses a forum format for communication. On the Hive Index it ranks #7 in the Open Source Software communities list.

Roughly 91K members have joined in the past year. Popular discussion topics include Open Source, Tired, and Struggling. Common discussion themes are Self-Promotion and Advice Requests. Product recommendations often mention best game engine, best custom rom for s21 ultra, and best pdf reader for windows? adobe acrobat alternative.

On Reddit
372K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +91K members
Growth: +32.2% / 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: 58K members

Past year (monthly)

  • Sep: 5K members
  • 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: 70 members

Themes

  • Self-Promotion
    15 posts in the past month
    1. Built an open-source Python streaming engine — looking for feedback
    2. I created 8bit/cnlibs - an open source 8bit shadcn/ui component library
    3. CyvoraX Suite – An Open-Source Web Security & Penetration Testing Workbench
    #1
    Self-Promotion
    Built an open-source Python streaming engine — looking for feedback · I created 8bit/cnlibs - an open source 8bit shadcn/ui component library · CyvoraX Suite – An Open-Source Web Security & Penetration Testing Workbench
    15
  • Advice Requests
    1 post in the past month
    1. Should I open source my project?
    #2
    Advice Requests
    Should I open source my project?
    1

Topics

  • Open Source
    40 posts in the past month
    #1
    Open Source
    40
  • Tired
    15 posts in the past month
    #2
    Tired
    15
  • Struggling
    11 posts in the past month
    #3
    Struggling
    11
  • Hate
    9 posts in the past month
    #4
    Hate
    9
  • Open Source
    8 posts in the past month
    #5
    Open Source
    8

Flair

  • Promotional
    15 posts in the past month
    1. A library of 130+ open source free interactive security awareness exercises. Fully white-labeled for your training needs, no strings attached
    2. OpenCalc: open calculator inspired by Windows 95
    3. Fullbleed 1.6.2 release and transition to MIT license
    #1
    Promotional
    A library of 130+ open source free interactive security awareness exercises. Fully white-labeled for your training needs, no strings attached · OpenCalc: open calculator inspired by Windows 95 · Fullbleed 1.6.2 release and transition to MIT license
    15
  • Discussion
    5 posts in the past month
    1. Supabase' reliability problems with cron or queues hurt in prod?
    2. Where do you get your local news?
    3. Comment your target CNCF LFX Term 3 project/org
    #2
    Discussion
    Supabase' reliability problems with cron or queues hurt in prod? · Where do you get your local news? · Comment your target CNCF LFX Term 3 project/org
    5
  • Alternatives
    2 posts in the past month
    1. A FOSS 2D graphics editor one year later
    2. Looking for .TODO with Caldav
    #3
    Alternatives
    A FOSS 2D graphics editor one year later · Looking for .TODO with Caldav
    2
  • Community
    2 posts in the past month
    1. My first real open-source contribution got merged today
    2. Claude Code hits "API Error: 500" at 3 AM? nightshift now waits it out and resumes the same conversation
    #4
    Community
    My first real open-source contribution got merged today · Claude Code hits "API Error: 500" at 3 AM? nightshift now waits it out and resumes the same conversation
    2

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 8/1/2026

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 372K 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

7
Views /mo
(-30%)
6
Visitors /mo
(-33%)
2
Referrals /mo
(+100%)

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