Subreddits similar to r/perl

2k subs

Open source project building out a gradually typed, Unicode-ready, concurrency friendly programming language. For more information see https://perl6.org/. (See /r/perl for coverage that's focused first and foremost on Perl *5*.)
https://reddit.com/r/perl6/

r/commandline

46k subs

This is for anything regarding the command line, in any operating system. All questions (including dumb ones), tips, and interesting programs/console applications you've found or made yourself are welcome. Linux / BSD / OSX / Windows CLI apps or questions or comments, we're happy to take them all!
https://reddit.com/r/commandline/

r/vim

87k subs

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

r/netsec

327k subs

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

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/ruby

58k subs

https://reddit.com/r/ruby/

r/emacs

33k subs

The extensible, customizable, self-documenting real-time display editor.
https://reddit.com/r/emacs/

r/programming

2m subs

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

r/haskell

46k subs

The Haskell programming language community. Daily news and info about all things Haskell related: practical stuff, theory, types, libraries, jobs, patches, releases, events and conferences and more...
https://reddit.com/r/haskell/

r/coding

175k subs

https://reddit.com/r/coding/

r/lisp

22k subs

A subreddit for the Lisp family of programming languages.
https://reddit.com/r/lisp/

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/golang

87k subs

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

r/linuxadmin

134k subs

Expanding Linux SysAdmin knowledge
https://reddit.com/r/linuxadmin/

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/javascript

688k subs

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

r/debian

33k subs

https://reddit.com/r/debian/

r/Python

419k subs

news about the dynamic, interpreted, interactive, object-oriented, extensible programming language Python
https://reddit.com/r/Python/

r/unix

14k subs

https://reddit.com/r/unix/

r/Clojure

18k subs

Clojure is a dynamic programming language / Lisp that targets the Java Virtual Machine.
https://reddit.com/r/Clojure/

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/cpp

101k subs

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

r/dailyprogrammer

190k subs

**Welcome to r/DailyProgrammer!** First time visitors of Daily Programmer please [Read the Wiki] (http://www.reddit.com/r/dailyprogrammer/wiki/index) to learn everything about this subreddit. 3 Programming Challenges a week!
https://reddit.com/r/dailyprogrammer/

r/bash

32k subs

A subreddit dedicated to bash scripting.
https://reddit.com/r/bash/

r/opensource

89k subs

A subreddit for everything [open source](http://en.wikipedia.org/wiki/Open_source) related.
https://reddit.com/r/opensource/

r/BSD

12k subs

A place for all things BSD.
https://reddit.com/r/BSD/

r/C_Programming

59k subs

The subreddit for the C programming language
https://reddit.com/r/C_Programming/