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AddA Claude Code mod that holds subagent fan-out, heavy-context prompts and retry loops before they spend your usage window. It reads your plan's usage, counts agents across every session, and asks in Claude Code's own dialog.
agent-usage-guard is a Claude Code mod: it runs inside Claude Code and holds runaway spend before it happens. It reads your plan's live usage, and it holds subagent fan-out, heavy-context churn and retry loops.
filesystem for AI coding agents. Ephemeral Workspaces, durable shared history.
LayerFS is the substrate under your agents. Each one mounts a complete, writable Workspace over shared committed history, does its work, commits what it changed, and goes away.
LayerFS gives every agent a complete, writable filesystem Workspace over shared committed history, without copying the base. Agents work in parallel, commit what changed as deduplicated checkpoints, then branch, rewind or merge. Try it with LayerFS × DSH.
Dark-web threat intel in your browser.
Ask one question. VoidAccess searches 12+ Tor search engines, GitHub and security feeds in parallel, then gives you back actors, wallets, leaked credentials and IOCs, ready to export as STIX, MISP or Sigma. No Tor to run. Nothing to install.
Local Wikipedia is Wikipedia, but only for things a half hour walk from you.
An advanced WebGPU 3D Gaussian Splatting renderer for THREE.js
3D Gaussian splats in typed-array tables on the CPU and GPU, drawn by three.js's WebGPURenderer on WebGPU or its WebGL2 backend. This site has the example pages, the documentation and the sources.
Swift, in the browser.
Run declarative Swift applications natively in the browser with WebAssembly.
Personal tutoring, reimagined.
Agent-native Learning Companion that grows with you. Fully Open-Sourced.
open-source canvas with live task cards from your tracker.
Tiko put tasks on an infinite canvas as cards. Arrange them the way you think. Their statuses update on their own.
Turn incoming email into webhooks. A small, self-hosted SMTP server that checks each email against your rules and sends the matches to your webhooks, with a web UI to see what arrived and how each webhook responded.
Your team's whiteboard, on your server.
Excaliself is self-hosted Excalidraw: the full canvas, plus a shared Team space, live collaboration, folders, and search. Every drawing lives in your own Postgres.
Docker backups you can restore.
DockNest backs up your Docker sites, verifies every recovery point, and restores to a separate copy. Self-hosted, open source, and in beta.
Workspaces, Boards & Wiki.
Open-source project workspace: Kanban & Scrum boards, docs & wiki, Excalidraw whiteboards and Gantt plans in one app. MCP server for Claude/ChatGPT. Self-host with Docker (AGPL-3.0).
A community-driven Matrix homeserver. Fast, lightweight and open.
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Self-hosted SSH & SFTP browser workspace.
Security-focused, self-hosted SSH and SFTP workspace for homelabs and teams - multi-user, passkeys, OIDC, encrypted keys, backups, and offline-ready. WebSSH is a free, open-source SSH and SFTP client you host yourself. Open terminals, move files and manage remote servers from your browser.
Manage your video games.
Gameyfin will turn your disorganized collection of video games into a beautiful, easy-to-navigate library that you can access from any device with a web browser. It will automatically scan your game folders, download metadata and cover images, and present everything in a user-friendly interface. Download your game files directly from the web UI, share your library with friends, and enjoy your games like never before.
Git web server and discussions board for single-maintainers
Your workspace. Anywhere you build. Devcontainer Workspaces, Any Backend, No Lock-In. Deploy secure local and cloud environments for developers and agents.
Desktop app or CLI. Build from devcontainer.json, run on your infrastructure, and connect with your editor. Devsy enables teams and their AI coding agents to scale development using standardized, isolated workspaces. It cuts hardware cost, shortens onboarding, contains agent risk, and improves developer productivity. Workspaces deploy across Docker, Kubernetes, cloud providers, and SSH remote hosts.
The next era of web interfaces. Built in Rust.
An extremely performant, batteries-included Rust web framework built around a new programming model for composable, multi-target rendering.
Proa is building the next generation of interface infrastructure for the web. It enables you to create extremely fast, scalable applications and services in Rust by bringing compiled components, streaming, data loading, and fine-grained interactive islands into one framework.
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A minimalist, classless-first CSS framework. Write plain, semantic HTML and it looks finished. Add a class only when you want something specific.
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Free AI models that run in the browser.
Free, open-source AI models that run in your browser.
Speech-to-text, background removal, OCR, translation, image generation and more as JavaScript modules. Nothing leaves the device.
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a robot helper for agent skills. Agent package manager.
fast, cross-platform package manager — think npm, but for skills.
Execute TypeScript on Node using SWC.
A JIT compiler for running TypeScript and JavaScript code in Node.js without compilation, built on top of SWC with full ESM support for Node.js 24 and above.
The modern framework for fast websites
Zero configuration. Lightning-fast builds. Deploy anywhere — one install. Static site generation for Vite — no framework, no components, no magic.
Write JavaScript (or TypeScript, or JSX) functions that return HTML. Get a complete static site with file-based routing, dynamic pages, data loading, an asset pipeline, sitemap, RSS, Pagefind search, and a live dev server.
A fast, friendly linter for JavaScript, TypeScript, and more.
Flint is an experimental new "hybrid" linter that combines the performance of modern dev tooling with best-in-class comprehensive developer experience.
Scriptable, strictly RFC compliant in-memory IMAP server for testing IMAP clients.
ImapKit is a scriptable, in-memory IMAP server for testing IMAP clients. It implements IMAP4rev1 (RFC 3501) and, as an optional plugin, IMAP4rev2 (RFC 9051), with more than 50 extensions that can be turned on and off per server instance. Nothing is ever written to disk: the mailbox tree comes from a JSON object, so every new server starts from the same known state.
Test accessibility yourself: Radar and free scan. two free tools to test your website against WCAG.
WCAG Toolkit is free tooling from accessibility audit agency Proper Access. Every audit report has findings that sit in the content: an alt text that doesn't describe the image, headings that skip a level, a link called “read more”. These two tools point them out while you are working on the page.
It's duct tape for your unix pipes. A programming language for doing small stuff fast, easy, and readable.
NT-like POSIX-compatible operating system.
Moxnox is an NT-like, POSIX-compatible hobby OS which runs on btrfs and is capable of self-hosting. That means:
- Its design, such as the choice of syscalls, is modelled after that of Windows NT...
- ...yet at the same time, it should be capable of running software written for Unix-like systems, provided that they have been recompiled for it, and comes with a full GNU base system
A wiki connected to the systems it describes. Self-Hosted Wiki With Live Metric Charts.
Oxynote is an open-source workspace for engineering docs. Text, diagrams and live metrics in one editor, with a diff for every change.
An in-memory cache with item expiration and generics
Turn complex codebases into clear, navigable architecture diagrams with Claude Code.
AI writes code in seconds. Humans understand it in hours. But skip understanding, the codebase becomes a black box — even to you.
omm closes the gap — architecture docs, generated by AI, for humans.
The IDE that lives in your terminal.
A real alternative to VS Code, Zed, and Sublime that runs in your terminal. A TUI that feels like GUI. Single binary, zero config.
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Fast, programmable git infrastructure on object storage. git infrastructure for agentic workloads.
Programmable git infrastructure on top of object storage. Think turbopuffer for git. Open source alternative to Pierre (code.storage) and Cloudflare Artifacts.
Thousands of pushes per second, open-source and APIs built for machines. Build scalable CI, work with thousands of agents in parallel or embed git version control into your product.
16-bit Windows (Windows 1.x, 2.x, 3.0, 3.1, etc.) on 64-bit Windows.
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the agentic IDE that gets better every time you use it.
Vibe code with pi in a lightweight, real IDE that customises itself around the way you work — The Vibe You Need.
ThinkRail is the agentic IDE that gets better every time you use it — learning your project through living specs today, and building its own capabilities tomorrow.
Persistent AI teammates on your own computer. Run Codex, Claude, Gemini and Grok with the plans you already pay for, or your own model.
A local-first desktop workspace for persistent AI teammates. Run Codex, Claude, and Grok with dedicated workspaces, task queues, file sharing, browser control, and agent-to-agent collaboration.
Free .docx to .md Converter.
Convert Word (.docx) files to clean Markdown, entirely in your browser. Your files are never uploaded.
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y/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.