Reddit technology discovery

Best Technology Subreddits on Reddit (2026)

Last updated June 2026

For technology news, PC building, programming help, and science, Reddit's communities are hard to beat. These are the tech subreddits worth following, from general news hubs to focused help communities.

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The list

  1. r/science31.2M members

    The Science subreddit is a place to share new findings. Read about the latest advances in astronomy, biology, medicine,

  2. r/space24.5M members

    /r/space is dedicated to the insightful and thoughtful discussion of outer space.

  3. r/gadgets21.9M members

    Discussion and news regarding everything from vintage gadgetry to the latest and greatest in gadgets. Keywords: technol

  4. r/Futurology19.5M members

    Welcome to r/Futurology, a subreddit devoted to the field of Future(s) Studies and speculation about the development of

  5. r/technology15.3M members

    For all things technology.

  6. r/buildapc6.6M members

    Planning on building a computer but need some advice? This is the place to ask! /r/buildapc is a community-driven subre

  7. r/programming5.8M members

    Computer Programming

  8. r/Android2.6M members

    Android news, reviews, tips, and discussions about rooting, tutorials, and apps. Generic discussion about phones/tablets

  9. r/apple500K+ members

    /r/Apple is about Apple Computers, Apple the Company, Woz, Jobs, Macintosh, OSX, and other things related to Apple in al

  10. r/learnprogramming500K+ members

    A subreddit for all questions related to programming in any language.

  11. r/linux100K+ members

    All things Linux and GNU/Linux -- this is neither a community exclusively about the kernel Linux, nor is exclusively abo

  12. r/MachineLearning100K+ members

    Machine Learning

  13. r/hardware100K+ members

    /r/hardware is a technology subreddit for computer hardware news, reviews and discussion.

  14. r/techsupport100K+ members

    Having tech problems? Ask us here at /r/techsupport, and try to help others with their problems as well!

  15. r/webdev100K+ members

    webdev: reddit for web developers

  16. r/homelab100K+ members

    Post about your home lab: discuss building one, questions you may have, planning, diagrams or theoretical - the sky (or

  17. r/coding100K+ members

    coding

  18. r/datascience50K+ members

    Data Science

  19. r/selfhosted10K+ members

    A place to share alternatives to popular online services that can be self hosted without giving up privacy or locking yo

  20. r/cybersecurity10K+ members

    Information-security news and career discussion.

Frequently asked questions

What are the best technology subreddits?
The most active technology subreddits right now include r/science, r/space, r/gadgets, which top this list by member count. The best one for you depends on what you want: large general communities are great for news and staying current, while smaller niche subreddits go deeper on a single game, team, genre, or sub-topic. RedditShuffle ranks every community in its 1.45M-subreddit index by size, so this page surfaces the highest-activity technology communities first. If you are exploring, start with one or two large hubs to get a feel for the culture, then branch into the focused communities lower on the list once you know what you are most interested in.
How were these technology subreddits chosen?
This list is curated, not auto-generated. We started from RedditShuffle's index of more than 1.45 million subreddits, filtered to technology communities, and ordered them by subscriber count - using fresh stats for the largest communities. We then hand-checked each entry so the list reads like an editor picked it rather than a scraper, removing inactive, off-topic, or duplicate communities. The goal is a list you can trust to point you toward communities that are active and worth your time.
How do I find more niche subreddits like these?
Use the Shuffle tool on the RedditShuffle homepage. Unlike Reddit's built-in random button, which can drop you on dead or empty communities, RedditShuffle lets you filter by topic and by a Popular-only toggle that limits results to communities above a member threshold. You can also browse by category to see hundreds more communities in the same space, or open any community's detail page to see similar subreddits.
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