Open Source

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

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

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

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

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

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

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

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

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

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

Directory of certified open hardware. Find truly open projects.

Open Source Hardware Association. Standards and certification.

Global Village Construction Set. Open source industrial machines.

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

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

Recursively search directories with regex. Faster than grep.

Command-line fuzzy finder. Essential shell productivity tool.

Command-line task management. Powerful filtering and reporting.

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

GPU-accelerated terminal emulator. Highly configurable with Lua.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

RetroArch and libretro ecosystem. Cross-platform emulation frontend.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Open podcast database. Supporting an open podcasting ecosystem.