Open Source

Scrutiny

WebUI for smartd S.M.A.R.T monitoring. Track hard drive health and predict failures before they happen. Essential for data hoarders.

TrueNAS

Open-source network-attached storage (NAS) operating system based on FreeBSD and Linux. The standard for self-hosted storage solutions.

Logseq

Open-source, privacy-first knowledge management tool. Local-first note-taking with graph visualization, inspired by Roam Research.

Codeberg

Non-profit Git hosting. Community-run alternative to GitHub. Based in Germany.

SourceHut

Minimalist software forge. Git hosting, CI, mailing lists, no JavaScript required.

Simple.css

Classless CSS framework. Make HTML look good with zero effort.

Solene Rapenne

OpenBSD developer. Unix, self-hosting, and low-tech computing.

Nicola Iarocci

Open source developer. Eve REST framework creator. Python and .NET.

Manton Reece

Creator of Micro.blog. Writing about indie web, blogging, and owning your content.

OSE Wiki

Documentation for open source machines. Build your own civilization starter kit.

OSHWA Certified Projects

Directory of certified open hardware. Find truly open projects.

OSHWA

Open Source Hardware Association. Standards and certification.

Open Source Ecology

Global Village Construction Set. Open source industrial machines.

Stellarium

Free open source planetarium. See the sky from anywhere at any time.

kepler.gl

Open source geospatial analysis tool. Beautiful large-scale data visualization.

ripgrep

Recursively search directories with regex. Faster than grep.

fzf

Command-line fuzzy finder. Essential shell productivity tool.

Taskwarrior

Command-line task management. Powerful filtering and reporting.

Kitty

Fast, feature-rich, GPU-based terminal. Graphics protocol support.

WezTerm

GPU-accelerated terminal emulator. Highly configurable with Lua.

Zellij

Terminal workspace with batteries included. Tabs, panes, and plugins.

Starship

Minimal, blazing-fast shell prompt. Works with any shell.

Oh My Zsh

Framework for managing Zsh configuration. Plugins, themes, and sanity.

Charm

Beautiful terminal tools in Go. Glow, Gum, VHS, and more.

Marlin Firmware

The most popular 3D printer firmware. Powers millions of printers worldwide.

Klipper

Open source 3D printer firmware. High-speed printing with input shaping and pressure advance.

JMRI

Open source model railroad software. Decoder programming and layout automation.

Uxn

Hundred Rabbits' portable virtual machine. Computing on minimal resources.

MNT Research

Open hardware laptops. MNT Reform and Pocket Reform with full schematics.

PINE64

Open source hardware. PinePhone, PineTime, and affordable ARM devices.

einkbro

Open source browser for e-ink devices. Optimized for e-paper displays.

LinuxServer.io

Community Docker images. Well-maintained containers for self-hosted apps.

MilkyTracker

Cross-platform tracker inspired by FastTracker II. Create MOD and XM music.

FamiTracker

NES/Famicom music tracker. Create authentic 8-bit music for hardware or emulation.

VCV Rack

Free virtual Eurorack. Software modular with thousands of free modules.

Libretro

RetroArch and libretro ecosystem. Cross-platform emulation frontend.

Inform 7

Natural language IF authoring. Write text adventures in English-like prose.

Twine

Open source tool for interactive stories. No coding required. Powers countless narrative games.

Cataclysm: Dark Days Ahead

Open source survival roguelike. Post-apocalyptic simulation with incredible depth.

Dungeon Crawl Stone Soup

Open source roguelike. Play online, download, or contribute to development.

ZMK Firmware

Modern wireless keyboard firmware. Bluetooth-first, Zephyr-based alternative to QMK.

QMK Firmware Docs

Documentation for QMK, the open source keyboard firmware. Features, customization, and flashing guides.

Open Source Ham Radio

Curated list of open source amateur radio projects on Hackaday.io.

Collapse OS

Operating system designed to survive civilization collapse. Runs on minimal hardware, self-assembling.

Awesome Self-Hosted

List of self-hosted services and web apps. 250K+ stars. The definitive guide to running your own servers.

ShellCheck

Static analysis for shell scripts. Finds bugs, pitfalls, and improvements in your bash code.

Wealthfolio

Private, open-source investment tracker. Track your portfolio without sending data to third parties.

AlternativeTo

Crowd-sourced software recommendations. Find open source alternatives to any application.

Open Source Alternative

Curated list of open source alternatives to popular SaaS products. Self-host everything.

Framework

Modular, repairable laptops. Designed for longevity with replaceable components and open-source hardware.

Ghostty

Fast, feature-rich terminal emulator by Mitchell Hashimoto (HashiCorp founder). Native performance with modern features.

Choose a License

Simple guide to open source licenses. Pick the right license for your project.

Open Source Agenda

Discover trending open source projects. Categories, tags, and popularity metrics.

Let's Encrypt

Free, automated SSL/TLS certificates. Nonprofit that helped encrypt half the web.

F-Droid

Catalogue of free and open source Android apps. Alternative app store with no tracking or proprietary code.

Podcast Index

Open podcast database. Supporting an open podcasting ecosystem.