r/compsci

Community Overview

About r/compsci

Computer Science Theory and Application. We share and discuss any content that computer scientists find interesting. People from all walks of life welcome, including hackers, hobbyists, professionals, and academics.

The community at a glance

r/compsci is a Subreddit for Programmers with roughly 4.0M members. It has been around since 2008. It uses a forum format for communication. It is the 5th largest community in the Software Development topic page.

Popular discussion topics include Programming, Computer Science, and Ai. Product recommendations often mention computer science books, computer, and courses.

On Reddit
Established 2008
4.0M Members

Subreddit Analysis

via GummySearch
Yearly: +-632 members
Growth: +-0.0% / year

Member growth over time

All time (yearly)

  • 2013: 16K members
  • 2014: 17K members
  • 2015: 11K members
  • 2016: 20K members
  • 2017: 65K members
  • 2018: 251K members
  • 2019: 269K members
  • 2020: 550K members
  • 2021: 455K members
  • 2023: 830K members
  • 2024: 1.3M members
  • 2025: 120K members
  • 2026: 12K members

Past year (monthly)

  • Jul: 0 members
  • Aug: 0 members
  • Sep: 0 members
  • Oct: 0 members
  • Nov: 3K members
  • Dec: 3K members
  • Jan: 3K members
  • Feb: 2K members
  • Mar: 2K members
  • Apr: 2K members
  • May: 2K members
  • Jun: 1K members

Topics

  • Programming
    25 posts in the past month
    #1
    Programming
    25
  • Computer Science
    24 posts in the past month
    #2
    Computer Science
    24
  • Ai
    23 posts in the past month
    #3
    Ai
    23
  • Struggling
    12 posts in the past month
    #4
    Struggling
    12
  • Coding
    11 posts in the past month
    #5
    Coding
    11

Product recommendations

  • computer science books
    4 posts in the past month
    1. Which book is best for understanding how programming languages work under the hood?
    2. Recommend me your favorite Comp Sci books and/or papers!
    3. Recommended books for entry level
    #1
    computer science books
    Which book is best for understanding how programming languages work under the hood? · Recommend me your favorite Comp Sci books and/or papers! · Recommended books for entry level
    4
  • computer
    3 posts in the past month
    1. Best computer for compsci I major ?
    2. What are your recommended specs for a PC for a CS student/Minecraft player? I want it to be good enough to play on and has a big enough RAM to handle whatever programming I might need to do :) Open to answering additional questions lol
    3. What computer do you all recommend for computer science major?
    #2
    computer
    Best computer for compsci I major ? · What are your recommended specs for a PC for a CS student/Minecraft player? I want it to be good enough to play on and has a big enough RAM to handle whatever programming I might need to do :) Open to answering additional questions lol · What computer do you all recommend for computer science major?
    3
  • courses
    2 posts in the past month
    1. Please recommended any good course on Blockchain development
    2. Recommend me a good data mining foundation course from udemy,skillshare,coursera or any other sites.
    #3
    courses
    Please recommended any good course on Blockchain development · Recommend me a good data mining foundation course from udemy,skillshare,coursera or any other sites.
    2
  • resources
    2 posts in the past month
    1. I want to create an archive of best free resources to learn computer science and coding on YouTube.
    2. Compsci beginner here what are some recommended resources to learn from scratch. Thanks appreciate any reply’s
    #4
    resources
    I want to create an archive of best free resources to learn computer science and coding on YouTube. · Compsci beginner here what are some recommended resources to learn from scratch. Thanks appreciate any reply’s
    2

Frequently asked questions

Who is r/compsci for?
Best for Programmers enthusiasts looking for a Reddit-based community with forum discussion.
Is r/compsci 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/compsci have?
Roughly 4.0M members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/compsci on?
r/compsci 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/compsci cover?
On the Hive Index, r/compsci is organized under Programmers.
How do I join r/compsci?
You can join r/compsci by clicking this link, or pressing the "Go to community" button above.
What are the Software Development communities like?
The largest tech-adjacent category on the site, covering software engineering across languages, frameworks, and specialties. Discord and Slack host communities for specific languages and stacks, while Reddit has massive general programming communities. Good for code review, career advice, tool recommendations, and connecting with developers at similar stages.