this post was submitted on 02 Aug 2025
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We all love open-source software, but there are so many amazing projects out there that often go unnoticed. Let's change that! Share your favorite open-source software that you think more people should know about. Here’s how you can contribute:

  1. Single Option Per Comment: Mention one open-source software per comment to be able to easily find the most popular software.
  2. No Duplicates: Avoid duplicating software that has already been mentioned to ensure a wide variety of options.
  3. Upvote What You Love: If you see a software that you also appreciate, upvote it to help others discover it more easily.

Check out last year's post for more inspiration: Last Year's Post

Let's create a comprehensive list of open-source software that everyone should know about!

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[–] ambitiousslab@lemmy.ml 7 points 1 month ago

snac: a simple, minimalistic ActivityPub instance.

[–] kazerniel@lemmy.world 6 points 1 month ago

CopyQ: clipboard manager with history and pinned items

The UI is a bit janky, but it does the job well.

[–] commie@lemmy.dbzer0.com 6 points 1 month ago (1 children)

candle, an android app that turns your display into a flashlight-like utility. very useful on tablets without an actual flashlight. I have a shortcut to it on my lock screen on my phone, and I use a red background to see when my wife is sleeping.

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Mihon Manga reader for android. Allows auto aggregation from web sources to make tracking and reading manga smooth and easy

[–] Zerush@lemmy.ml 6 points 1 month ago

Photoshop (almost) right in your browser, desktop or mobile, also as PWA or even selfhosted

https://viliusle.github.io/miniPaint/

https://github.com/viliusle/miniPaint?tab=readme-ov-file

[–] ambitiousslab@lemmy.ml 6 points 1 month ago (1 children)

beancount: double-entry accounting from text files.

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[–] joshim@lemmy.ml 6 points 1 month ago

readest.

good play books alternative. upload your own pdfs and read them across devices. syncs progress, so pick up wherever you left off.

[–] Limonene@lemmy.world 6 points 1 month ago (1 children)

sgt-puzzles. Simon Tatham's Portable Puzzle collection.

Contains a bunch of simple puzzles, of the minesweeper and sudoku style. Loopy is my favorite.

Available for Linux, Windows, MacOS, Android, and anything with a web browser and a mouse. Packaged in Debian and F-droid, and probably many other places.

I like it for time wasting in lines at the DMV, for a low-stakes game when anxious, and for falling asleep.

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[–] kazerniel@lemmy.world 6 points 1 month ago (2 children)

Changedetection.io: track selected websites for updates or price changes

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[–] ambitiousslab@lemmy.ml 5 points 1 month ago

Toot: a CLI and TUI tool for interacting with Mastodon instances from the command line.

[–] SuperUserDO@sh.itjust.works 5 points 1 month ago

Trillium Next: The last note taking software you will ever need. It works as a standalone, or in a client/server configuration across almost all platforms.

[–] InFerNo@lemmy.ml 5 points 1 month ago

Hexchat, irc client

[–] kazerniel@lemmy.world 5 points 1 month ago* (last edited 1 month ago)

Open Video Downloader: Download any video or playlist from Youtube as audio and/or video, in various resolutions.

[–] commie@lemmy.dbzer0.com 4 points 1 month ago

weechat, a multiprotocol chat client with many user scripts and a remote interface.

[–] ambitiousslab@lemmy.ml 4 points 1 month ago

podget: a simple podcast aggregator optimized for running as a scheduled background job (i.e. cron).

[–] Dreaming_Novaling@lemmy.zip 4 points 1 month ago

FMD (FindMyDevice) - An absolute necessity, especially if you aren't using Google services.

It allows you to use any device/contact you've approved to send commands to enable/disable various settings on your devices, like bluetooth, do not disturb, camera, GPS, etc. via SMS, a FMD server (self-host optional) or from notifications (i.e. use Signal to send commands). So if you've simply lost your phone in your house you could make it ring no matter what, or if it got stolen you could lock it, use GPS, or factory reset it entirely.

The dev made it after he lost a phone that didn't have Find My Device activated.

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