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Addy/hub is an alternative backend for y-websocket. It only requires a redis instance (6.2 or later, or Valkey) and a storage provider (S3 or Postgres-compatible).
Streaming document conversion that never buffers the whole document.
Documents, as they flow. DocSpec reads a document as a stream of typed events and writes it back out in another format — one event at a time, in constant memory, no matter how large the file. Streaming is the whole point; the Manifesto explains why.
A local markdown note-taking app built with Tauri, SvelteKit, and Rust. Your notes are stored as standard Markdown files on your local filesystem. No cloud, no lock-in.
A fast, static Go CLI for Kimai time tracking. No PHP, no Docker.
Furigana, set by the font.
Furifont is a Japanese font that shows furigana on the font itself. With the ligatures to adopt to pronunciation of words. Works everywhere supporting custom fonts.
Master Claude Code in a Weekend
Go from typing claude to orchestrating agents, hooks, skills, and MCP servers — with visual tutorials, copy‑paste templates, and a guided learning path.
Build better UI with AI using Codex.
Save time building professional UI with AI, then use analytics to understand your visitors and improve conversions.
Your AI agent running your server. Under Control.
Open source. Self-hosted. Easy for anyone, not just sysadmins. The easiest way to self-host projects on your own server. Connect your AI agent and let it deploy, maintain and manage multiple projects on any stack, while keeping your server organized and under control. Easy for anyone, not just sysadmins.
Self-Hosted & Open Source App Directory.
Find open-source apps, compare alternatives, and deploy them on your own server with ready-to-use recipes.
LLM Observability & AI Agent Evaluation in CI.
Trace-native CI/CD for AI agents: grade production traces, cluster failures, freeze them into replayable regression tests, and block PRs that regress. Self-hostable.
Trace-native CI/CD for AI agents. Tracely grades every agent trace as it lands, clusters the failures into issues, freezes the bad runs into hermetic replayable cases, blocks the pull request that would ship them again — and tells you the moment any of it happens.
A modular AWS privilege escalation exploitation framework with a Metasploit-style REPL, a scriptable CLI, 80+ exploit modules, and interchangeable payloads.
A modern UI for incus management.
A web-based management platform for Incus containers and virtual machines. Built with Vue 3, FastAPI, and PostgreSQL.
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A self-hosted home inventory.
Where things are. What they are. What's due. Self-hosted, open-source inventory of everything you own and where it is. AI assistant and MCP server built in.
Self-hosted webmail for all your accounts.
Gmail, Outlook, and any IMAP or JMAP account side by side, with your contacts and calendar. Run it on your own machine or on a server.
A status page you host yourself, running in minutes
It checks your services, alerts your team and shows your users what is going on. One container on your own server, no subscription.
The Home Assistant speaker you've been looking for.
Home Assistant Whole-Home Multi-Room Speaker.
Built for ESPHome - exclusively for Home Assistant. Stream music to every room in perfect sync. Hear your automations speak. No cloud, no code, no compromise. Set up in minutes.
Brings your favorite AI agents to Emacs, keeping you at home: familiar buffers and bindings, no terminal emulation. All powered by ACP, the Agent Client Protocol.
All packages from the Android SDK repository, packaged with Nix.
Updated daily from Google's Android SDK repositories.
Umbriel is a Wayland compositor designed for daily use, with scrolling, dwindle, master, and floating layouts, per-output workspaces, window rules, blur, shadows, and fluid animations.
It runs independently and pairs with Noctalia, which provides a first-class desktop shell on top. Under the hood: C++23, wlroots, and umbrielfx, an in-tree hard fork of SceneFX.
your phone as a webcam on Linux & Windows.
Use your phone's camera as a webcam on Linux or Windows, telephoto and wide lenses included. Telescope turns your Android phone into a webcam for your Linux or Windows computer and lets you use any of its lenses like telephoto or ultra-wide.
remove ads and bloat from Android TV and Google TV.
Debloat any Android or Google TV over Wi-Fi and get an Apple TV-style home.
Local HTTPS and MQTT cloud emulator for Roborock vacuums without rooting or hardware modifications.
Run Roborock's cloud backend on your own local network. Your vacuum keeps live maps and local controls on an isolated LAN without internet access, requiring no hardware modifications or firmware rooting.
CI/CD for every forge.
Crow runs your pipelines in Docker, Podman or Kubernetes, in throwaway Windows and macOS VMs, or on the host, for repositories on GitHub, GitLab, Forgejo, Gitea and Bitbucket.
MicroVM orchestrator for your VPS.
MicroVM orchestrator for your VPS with built-in sleep/wake policies, backups, snapshots, HTTPS, custom image, logs and metrics.
nibrunner runs apps in Firecracker microVMs on one Linux machine. It is a single binary, nibrunnerd. You list the apps you want in a JSON file. The daemon boots each one in its own microVM and keeps it running.
The unified workspace for your company.
Macro is a unified workspace for teams: email, chat, docs, tasks, agents, calls, and CRM — @-linked together with shared AI memory.
Terminal music player with native Spotify, YouTube, local files, radio.
All your music.One queue.In the terminal.
spotatui plays Spotify natively and streams YouTube, your local files, Subsonic or Navidrome, Qobuz and 30,000+ internet radio stations from a single keyboard-driven player. On macOS it also drives Apple Music. Spotify is optional. So is the AI DJ.
Next generation toolkit for web3D and photorealistic graphics.
Threepipe is a modern 3D framework built on top of three.js, written in TypeScript, designed to make creating high-quality, modular, and extensible 3D experiences on the web simple and enjoyable.
Your next app. Built in Python. Build cross-platform apps in Python .
Build beautiful web, desktop, and mobile apps from one Python codebase. Flet is a Python framework for building web, desktop, and mobile apps without prior experience in frontend development.
Browse your GitHub repositories, branches, pull requests, and CI/CD statuses right from your terminal.
Rules for an AI coding agent to filter out generic AI-generated UI designs, text, and code.
A rulebook that stops an AI coding agent shipping generic UI, text, and AI-shaped code.
Cybersecurity Skills Router.
Reverse Engineering / Authorized Penetration Testing / Security Research Skill Router Pack AI-powered routing + On-demand toolchain bootstrapping + Self-evolving knowledge base Supports Claude Code, Kiro, Cursor, Cline, and other AI coding clients.
When an AI agent (Claude Code, Codex, Cursor, OpenCode, or another compatible client) encounters an APK, a binary, frontend JS encryption, a CTF challenge, or a pentesting target, this package routes it to the right methodology, checks available tools, and executes a repeatable workflow instead of guessing commands.
Ears for coding agents: let AI hear, review and make sound. CPU-only, open source.
AI coding agents can now write the code that renders a film, a product demo or a game. They still cannot hear what they made. They cannot tell a premium key press from a cheap one, notice that a hit lands 80 ms after the cut, or hear that the music swells in the wrong place.
earshot turns sound into evidence an agent can reason about: what a file sounds like in words, how well it fits a description, the best moment inside a long recording, whether it is a real recording or code-synthesized, a second-by-second listening transcript of a whole film, an annotated picture of it, and a scorecard against professional launch films. It runs locally on CPU, as a CLI, a Python API and an MCP server.
Style guides for Google-originated open-source projects.
Every major open-source project has its own style guide: a set of conventions (sometimes arbitrary) about how to write code for that project. It is much easier to understand a large codebase when all the code in it is in a consistent style.
The open-source alternative to Claude Managed Agents.
The open-source managed agent platform. A self-hostable alternative to Claude Managed Agents and OpenAI's Agents API.
Omnara is an open-source managed agent platform. Use the API to run AI agents on any model and any machine, with tools, secrets, permissions, and streaming built in. Self-host it for free under Apache 2.0, or use Omnara Cloud.
Like htop, but for AI coding agents. Monitor Claude Code & Codex CLI sessions, tokens, context window, rate limits, and ports in real-time.
See every Claude Code, Codex CLI, and OpenCode session at a glance — token usage, context window %, rate limits, child processes, open ports, and more. Claude Code, Codex CLI, and OpenCode sessions are discovered from local process/file state, so multiple active profiles are supported across macOS, Linux, and Windows.
A deliberately vulnerable Microsoft Entra ID environment. Learn identity security through hands-on, realistic attack challenges.
EntraGoat is a deliberately vulnerable Microsoft Entra ID infrastructure for security professionals. Deploy real-world identity misconfigurations and privilege escalation paths in your own tenant, then practice exploiting them in a safe, black-box CTF format.
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The open standard for agent readiness.
Agents are a new class of user. Many protocols now serve them (MCP, WebMCP, A2A, x402, llms.txt, Web Bot Auth, and more), but there is no shared definition of what it means to be ready for them. AgentReady is an open specification of what a product should implement to be usable by AI agents, from discovery to completion. It does not promote a protocol or a vendor. The practices below are based on measured agent behavior, and are revised as that behavior changes.
Productivity focused desktop environment for Debian and Ubuntu Linux
Recursive Agent Harnessing for an Open World .
A harness is the system around a model that enables it to act as an agent: prompts, tools, memory, skills, orchestration, and more. Harnessing is the process of optimizing that system.
Harness² is a plug-and-play framework for recursive agent harnessing in an open world, where agents encounter tasks unseen during harness design. It connects two levels of recursion while keeping model weights fixed:
Real-time network traffic visualizer. Track every hidden flow.
See every connection your computer makes — who it talks to, where they are, and which app is responsible. 100% local. No telemetry. Ever.
A free, open-source alternative to Burp Suite: an intercepting proxy and web app security testing suite with Repeater, Intruder, Collaborator and a built-in OWASP ZAP scanner. Linux, AGPL-3.0.
Capture, inspect, replay and tamper with the traffic between a browser and a web application, then crawl and audit it for real vulnerabilities. One self-contained download, no licence gate, powered by the OWASP ZAP engine.
Web fonts for Nuxt, without the setup. Optimized Custom Web Fonts for your Nuxt Apps.
Write a font-family declaration and Nuxt Fonts finds the font, serves it from your own origin, and generates fallback metrics to reduce layout shift.
Manages Podman containers, networks, pods, etc. on NixOS via Quadlet.
Mermaid diagrams as themeable SVG.
Pele is a lightweight open source library that renders Mermaid diagrams to SVG, themed with CSS variables.
Mac.apk runs Android apps directly on Apple Silicon Macs at full native speed.
Not an emulator. Not a virtual machine. No Linux running underneath, no Docker, no Rosetta, no Wine. Android apps launch the same way a Mac app does, render with the Mac's own graphics stack, and use the CPU at its full native speed.
Whole-disk file search for macOS: names in about 0.1 ms, typo-tolerant, plus indexed search inside files. A CLI with a small daemon, a Rust crate, or an MCP server for coding agents.
A native macOS file browser with fast fuzzy filename search, powered by fsearch.
A native Mac file browser with fast, fuzzy filename search. Browse folders, preview files, and manage your files in a familiar macOS interface.
you can outsource your thinking, but not your understanding.
Sphinx is a Git hook for agent-assisted development. Before your agent’s code ships, it asks you a question about what that code actually does.
Agent-native git platform on Cloudflare.
Humans approve intent. Machines prove conformance. The platform routes each change to the cheapest review that is still safe, and makes changes easy to undo after merge.
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Any software. Any codebase. Any Web API. Generate an agent-native CLI and let AI agents operate it — install with a single command.
Self-hosted, Gmail-style mail client. Multi-account IMAP, threaded conversations, real-time push via IMAP IDLE + Mercure. Built with Symfony, FrankenPHP, Hotwire Turbo. Clone and docker compose up.
Self-hosted mail with a calendar beside it. Connect the mailboxes you already have — IMAP, Gmail, Outlook — and read them side by side in one inbox, on a server you own.
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Open Source Office suite for users used to MS Office - multi-platform, tuned for performance .
ElixirOffice edits Word, Excel and PowerPoint documents (and their OpenDocument equivalents) with the ribbon, menus, dialogs and keyboard shortcuts of Microsoft Office. It runs as a desktop app that works entirely offline, or in the browser on your own server. It is free software (AGPLv3), private by design, and fast.
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The Complete Fediverse Directory & Analytics Platform.
FediDB indexes 41,130 servers across 522 software projects, checks every one of them each day, and publishes all of it through a free public API.
Alternatives to FOSS projects choosing to use and/or support LLMs/AI, as well as tips for requesting better policies or forking.
An open foundation for modern grid planning
OpenGrid brings transparent tools, shared data, and open governance to the people modeling, planning, and modernizing grids worldwide, so new infrastructure moves from plan to power faster.
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The refactorable warehouse Verify early, test properly, and refactor safely.
SQL transformation framework with custom compile-time checks, end-to-end testing and safe renames that keep your table history.
Change your warehouse as often as your code. SQLBuild brings compile-time checks, E2E tests and safe renames to your SQL, so change stops being risky.