r/opensource

Community Overview
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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 363K members. It uses a forum format for communication. It is the 2nd largest community in the Open Source Software topic page.

Roughly 88K members have joined in the past year. Popular discussion topics include Open Source, Open Source, and Looking For. Common discussion themes are Solution Requests 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
363K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +88K members
Growth: +31.9% / 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: 49K members

Past year (monthly)

  • Jul: 5K members
  • Aug: 6K members
  • 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: 6K members

Themes

  • Solution Requests
    4 posts in the past month
    1. What's the closest open-source alternative to Manus right now?
    2. Freelance Manager
    3. Chrome extension for collecting public business data from Google Maps
    #1
    Solution Requests
    What's the closest open-source alternative to Manus right now? · Freelance Manager · Chrome extension for collecting public business data from Google Maps
    4
  • Advice Requests
    1 post in the past month
    1. Any advice for making sure simple projects stay simple?
    #2
    Advice Requests
    Any advice for making sure simple projects stay simple?
    1
  • Pain & Anger
    1 post in the past month
    1. Where the grass is green
    #3
    Pain & Anger
    Where the grass is green
    1

Topics

  • Open Source
    87 posts in the past month
    1. A cool open source tool I made for Mac and DGX spark users to get all your engines and models easily under one endpoint
    2. Open source contributors: what would you do in this situation?
    #1
    Open Source
    A cool open source tool I made for Mac and DGX spark users to get all your engines and models easily under one endpoint · Open source contributors: what would you do in this situation?
    87
  • Open Source
    33 posts in the past month
    1. Eternal Software Initiative: An open-source technology stack to preserve today's software in runnable form for 1,000 years
    2. What's the most useful open-source project you've watched quietly die?
    3. We created a FOSS mac app meeting notetaker bot, runs entirely on your device and requires no accounts or anything, it's called oats
    #2
    Open Source
    Eternal Software Initiative: An open-source technology stack to preserve today's software in runnable form for 1,000 years · What's the most useful open-source project you've watched quietly die? · We created a FOSS mac app meeting notetaker bot, runs entirely on your device and requires no accounts or anything, it's called oats
    33
  • Looking For
    26 posts in the past month
    #3
    Looking For
    26
  • Ai
    25 posts in the past month
    1. Omni-VRAM: Voice AI platform with 28 modules (Python)
    2. Clioloop — open-source, self-hostable AI agent with multi-model Agentic Fusion
    3. My AI coding addiction quantified: 52.6 million tokens
    #4
    Ai
    Omni-VRAM: Voice AI platform with 28 modules (Python) · Clioloop — open-source, self-hostable AI agent with multi-model Agentic Fusion · My AI coding addiction quantified: 52.6 million tokens
    25
  • Software
    19 posts in the past month
    #5
    Software
    19

Flair

  • Promotional
    40 posts in the past month
    1. Eternal Software Initiative: An open-source technology stack to preserve today's software in runnable form for 1,000 years
    2. KDE Plasma 6.7 released
    3. KillerPDF: a GPLv3, no-telemetry, portable PDF editor for Windows - big 1.5.0/1.5.1 update
    #1
    Promotional
    Eternal Software Initiative: An open-source technology stack to preserve today's software in runnable form for 1,000 years · KDE Plasma 6.7 released · KillerPDF: a GPLv3, no-telemetry, portable PDF editor for Windows - big 1.5.0/1.5.1 update
    40
  • Discussion
    7 posts in the past month
    1. What's the Coolest Open-Source Project You've Discovered This Year?
    2. Euro-Office is a Red Star OS level of a bad product name
    3. What's the most useful open-source project you've watched quietly die?
    #2
    Discussion
    What's the Coolest Open-Source Project You've Discovered This Year? · Euro-Office is a Red Star OS level of a bad product name · What's the most useful open-source project you've watched quietly die?
    7
  • Alternatives
    4 posts in the past month
    1. ReactOS (open-source Windows) now runs Half-Life with full 3D acceleration on real hardware
    2. What's the closest open-source alternative to Manus right now?
    3. Anybody know a good Gym Management Software?
    #3
    Alternatives
    ReactOS (open-source Windows) now runs Half-Life with full 3D acceleration on real hardware · What's the closest open-source alternative to Manus right now? · Anybody know a good Gym Management Software?
    4
  • Community
    1 post in the past month
    1. Open source contributors: what would you do in this situation?
    #4
    Community
    Open source contributors: what would you do in this situation?
    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 6/20/2026

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 363K 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

9
Views
8
Visitors
1
Referrals

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