Subreddits similar to r/Python

r/learnpython

240k subs

Subreddit for posting questions and asking for general advice about your python code.
https://reddit.com/r/learnpython/

r/programming

2m subs

Computer Programming
https://reddit.com/r/programming/

r/django

59k subs

https://reddit.com/r/django/

r/linux

423k subs

All things Linux and GNU/Linux -- this is neither a community exclusively about the kernel Linux, nor is exclusively about the GNU operating system.
https://reddit.com/r/linux/

r/javascript

688k subs

All about the JavaScript programming language!
https://reddit.com/r/javascript/

r/learnprogramming

1m subs

A subreddit for all questions related to programming in any language.
https://reddit.com/r/learnprogramming/

r/compsci

618k subs

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.
https://reddit.com/r/compsci/

r/MachineLearning

769k subs

https://reddit.com/r/MachineLearning/

r/vim

87k subs

For Vim enthusiasts and anyone interested in Vim.
https://reddit.com/r/vim/

r/webdev

376k subs

A community dedicated to all things web development: both front-end and back-end. For more design-related questions, try /r/web_design.
https://reddit.com/r/webdev/

r/datascience

147k subs

A place for data science practitioners and professionals to discuss and debate data science career questions.
https://reddit.com/r/datascience/

r/golang

87k subs

Gophers of the world unite!
https://reddit.com/r/golang/

r/netsec

327k subs

A community for technical news and discussion of information security and closely related topics.
https://reddit.com/r/netsec/

r/Ubuntu

124k subs

The Ubuntu community on Reddit
https://reddit.com/r/Ubuntu/

r/math

901k subs

https://reddit.com/r/math/

r/web_design

407k subs

A community dedicated to all things web design. For more development-related questions, try /r/webdev.
https://reddit.com/r/web_design/

r/java

146k subs

News, Technical discussions, research papers and assorted things of interest related to the Java programming language NO programming help, NO learning Java related questions, NO installing Java questions, NO JVM languages!
https://reddit.com/r/java/

r/raspberry_pi

2m subs

A subreddit for discussing the Raspberry Pi ARM computer and all things related to it.
https://reddit.com/r/raspberry_pi/

r/archlinux

100k subs

For users of the much loved Linux distro, Arch Linux.
https://reddit.com/r/archlinux/

r/flask

22k subs

Flask is a Python micro-framework for web development. Flask is easy to get started and a great way to build web sites and web applications.
https://reddit.com/r/flask/

r/linuxquestions

107k subs

https://reddit.com/r/linuxquestions/

r/unixporn

182k subs

Submit screenshots of all your *NIX desktops, themes, and nifty configurations, or submit anything else that will make ricers happy. Maybe a server running on an Amiga, or a thinkpad signed by Bjarne Stroustrup? Show the world how sexy your computer can be!
https://reddit.com/r/unixporn/

r/cscareerquestions

283k subs

A subreddit for those with questions about working in the tech industry or in a computer-science-related job.
https://reddit.com/r/cscareerquestions/

r/sysadmin

374k subs

A reddit dedicated to the profession of Computer System Administration.
https://reddit.com/r/sysadmin/

r/reddit.com

818k subs

The original subreddit, now archived.
https://reddit.com/r/reddit.com/

r/PHP

106k subs

Ask questions about frameworks, try your hand at php golf and strike gold or simply show off your latest work.
https://reddit.com/r/PHP/

r/cpp

101k subs

Discussions, articles and news about the C++ programming language or programming in C++.
https://reddit.com/r/cpp/

r/rust

73k subs

A place for all things related to the Rust programming language—an open-source systems language that emphasizes performance, reliability, and productivity.
https://reddit.com/r/rust/

r/gamedev

360k subs

All things related to game development, programming, math, art, music, business, and marketing.
https://reddit.com/r/gamedev/

r/ProgrammerHumor

920k subs

Dedicated to humor and jokes relating to programmers and programming.
https://reddit.com/r/ProgrammerHumor/