foss
A format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.
🦋 An Infographic Generation and Rendering Framework, bring words to life with AI!
AntV Infographic is AntV's next-generation declarative infographic visualization engine. With a carefully designed infographic syntax, it can quickly and flexibly render high-quality infographics, making information presentation more efficient and data storytelling simpler.
One component. Two APIs. React Component API Game.
Can you tell which props your future self will thank you for? Train your eye in under 5 minutes.
Educational platforms for developers. Each app presents code challenges where you pick the better variant, with topic-specific tools and a pattern reference library.
Enterprise Open-Source On-Prem/Private Cloud MTA.
The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.
Terminal-based Docker image layer inspector .
Interactive Docker image layer inspector with CI-friendly efficiency checks. Single binary; no daemon required when reading saved image archives.
OpenWiki is a CLI that writes and maintains documentation for your codebase, built specifically for agents.
A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container.
Related contents:
Allow all your Claude Codes to message each other ad-hoc!
Let your Claude Code instances find each other and talk. When you're running 5 sessions across different projects, any Claude can discover the others and send messages that arrive instantly.
Related contents:
Subscribe once. Read by email or over MCP.
Antenna stores your feed subscriptions in one local SQLite index, then routes new posts to email and to AI agents over MCP from the same data. No vendor cloud. No proprietary lock-in. Your subscription graph lives in a file you control.
Related contents:
The Context Optimization Layer for LLM Applications
Compress everything your AI agent reads. Same answers, fraction of the tokens. Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answers. Library, proxy, MCP server.
Related contents:
The codebase context engine your team shares.
Enterprise-grade (40m+ LOC) codebase intelligence, zero-setup, local & private Plugin/Skill/Extension or MCP: hybrid semantic search, polyglot dependency graphs, symbol-level impact analysis & call-flow, interactive HTML viewer, cross-project & branch-aware search, DB/API/infra knowledge. 61% less tokens, 84% fewer calls, 37x faster. Cloud in beta.
Related contents:
The Multiple SDK Version Manager 😉Easily manage all your SDK versions~
A cross-platform and extendable version manager with support for Java, Node.js, Golang, Python, Flutter, .NET & more
Architecture Enforcement Framework for AI-Assisted Development.
Guardian turns software architecture into executable constraints. Instead of relying on documentation, code reviews, and tribal knowledge to prevent architectural drift, Guardian continuously verifies that implementations conform to architectural decisions throughout development.
Test with real data. Without the GDPR nightmare. GDPR-aware database cloning for developers.
Clonio CLI clones production-like database data into development, test, staging, and CI while applying anonymization, schema sync, key remapping, and signed audit logs.
Related contents:
Open-source vacuum robot cleaner.
oomwoo is an open-source home robot vacuum you can build yourself, made for the Raspberry Pi, ROS2, Home Assistant, and 3D-printing communities. It uses an affordable 2D LiDAR to map your home and navigate on its own. Local, no cloud required for regular functionality, no vendor lock-in.
Related contents:
Semantic DataFrames for humans and agents.
fenic turns AI-assisted exploration of structured and unstructured data into reusable, inspectable DataFrame pipelines.
It's a DataFrame query engine for semantic data processing, with AI operators — extract, classify, summarize, embed, semantic join, and more — built into the query model. Use it to turn documents, transcripts, logs, eval traces, tickets, tables, and APIs into typed rows and repeatable workflows.
A tool for transforming and moving code between repositories.
Copybara is a tool used internally at Google. It transforms and moves code between repositories.
Often, source code needs to exist in multiple repositories, and Copybara allows you to transform and move source code between these repositories. A common case is a project that involves maintaining a confidential repository and a public repository in sync.
Copybara requires you to choose one of the repositories to be the authoritative repository, so that there is always one source of truth. However, the tool allows contributions to any repository, and any repository can be used to cut a release.
Free AI Gateway for Multi-Provider LLMs.
Never stop coding. Free AI gateway: one endpoint, 231+ providers (50+ free), connect Claude Code, Codex, Cursor, Cline & Copilot to FREE Claude/GPT/Gemini. RTK+Caveman stacked compression saves 15-95% tokens, smart auto-fallback, MCP/A2A, multimodal APIs, Desktop/PWA.
OKF is a universal, vendor-neutral format for representing knowledge as plain markdown files with YAML frontmatter. It is not tied to any particular agent, framework, model provider, or serving system.
Related contents:
The Collaboration Layer For AI Agents
One live, auditable state, shared by every agent working together.
When an agent and a person change the same thing at once, work gets lost: one edit silently clobbers another, or the agent acts on data that already moved. Ablo gives them one shared, typed write path so people, server actions, and agents can all work on the same rows without working blind.
Multi-Agent Orchestration for AI Agents. An AI agent swarm that compounds daily.
Build an agent swarm for Claude Code and AI agents: a lead coordinates tasks, workers ship in their own containers, memory compounds with every run. Interact as you do with your remote colleagues.
An open source design system that's fully customizable and agent ready.
An open source design system that's fully customizable and built for how we build now — by people and the agents working alongside them.
It ships 150+ accessible components, brand-level theming, dark mode, ready-to-ship templates, and a CLI as one cohesive system. You import pre-built CSS and use typed React components — no build plugin, no styling library to adopt — and both people and AI assistants build with the same tooling.
Craft Agents is a tool we built so that we (at craft.do) can work effectively with agents. It enables intuitive multitasking, no-fluff connection to any API or Service, sharing sessions, and a more document (vs code) centric workflow - in a beautiful and fluid UI.
It uses the Claude Agent SDK and the Pi SDK side by side—building on what we found great and improving areas where we've desired improvements.
A strongly consistent bottomless storage database ontop of Cloudflare Durable Objects.
Related contents:
NumPy & SciPy for GPU.
CuPy is a NumPy/SciPy-compatible array library for GPU-accelerated computing with Python. CuPy acts as a drop-in replacement to run existing NumPy/SciPy code on NVIDIA CUDA or AMD ROCm platforms.
AI-Native Open-Source Design Tool.
The world's first open-source AI-native vector design tool and the first to feature concurrent Agent Teams. Design-as-Code. Turn prompts into UI directly on the live canvas. A modern alternative to Pencil.
The Security Profiles Operator (SPO) is an out-of-tree Kubernetes enhancement which aims to make it easier to create and use SELinux, seccomp and AppArmor security profiles in Kubernetes clusters.
Related contents:
Cluster API is a Kubernetes sub-project focused on providing declarative APIs and tooling to simplify provisioning, upgrading, and operating multiple Kubernetes clusters.
Related contents:
Open reimplementation of Sakana Fugu — the 'one model to command them all' LLM orchestrator. Read → run → train → serve.
An open, runnable reverse-engineering of Sakana AI's Fugu — the "one model to command them all" LLM orchestrator.
Fugu is sold as a single model; it is really a policy over models — a tiny coordinator that, per query, routes work to a pool of frontier LLMs and returns one answer. Sakana's product and trained weights are closed. OpenFugu rebuilds the mechanism from the two papers + released artifacts, verifies it against real weights, trains a Conductor of our own, and serves it behind one OpenAI-compatible endpoint. Four stages, all working: read → run → train → serve.
Godcoder doesn't just use a harness. It writes one, improves it, and optimizes it — autonomously, in real time.
A local-first, open-source coding agent for your desktop. Bring your own LLM key; your code stays on your machine and only ever leaves to the model provider. The AI Agent builds its own Harness.
50 open-source skills that teach your AI coding agent to make motion graphics, animation & video — kinetic typography, data-viz, explainers, TikTok/Reels, WebGL, Manim. 14 installable packs. By iart.ai, the AI motion agent.
Turn your PC, Mac, or Linux box into an AI server. LLM inference, chat UI, voice, agents, workflows, RAG, and image generation.
Related contents:
A lightweight Material YouTube Music player for Android, built with Kotlin and Jetpack Compose.
Designed for simplicity and smooth performance, Umihi Music lets you enjoy your favorite tracks effortlessly.
Related contents:
Tanko is a CLI tool for reading and downloading manga directly from your terminal.
Related contents:
Embedded multi-service cooperative shell for Arduino UNO R4 — ESP32 / 8266.
J'ai écrit un petit système d'exploitation en partant de zéro et fonctionnant sur un Arduino ou un ESP32. Il me permet de faire de la programmation et des projets DIY avec mes élèves. Il a une ligne de commande qui ressemble à MS-DOS ou à Linux… mais sinon c'est codé en C++ en utilisant l'IDE Arduino et ses librairies.
Related contents:
Download. Flash. Boot. The all-in-one USB creator for Mac.
macUSB is a guided macOS app for creating bootable USB media on Apple Silicon and Intel Macs from local .dmg, .iso, .cdr, and .app files, or with the built-in macOS downloader.
Related contents:
An alternative to Howdy.
While Windows Hello provides a seamless multi-modal biometric experience (Face, Fingerprint, PIN) on Windows 11, Linux has historically lacked a modern, unified equivalent. The most well-known project in this space, Howdy, focuses exclusively on facial recognition and has not seen significant updates in recent years.
Biopass was developed by @phucvinh57 and @thaitran24 to fill this gap, providing a fast, secure, and modern biometric suite that goes beyond just face ID.
Related contents:
A QR code generator in a TrueType font
Related contents:
Open-source scripting language for writing interactive fictions.
Tools for writing interactive fiction, video game dialogues and branching narratives.
Write your stories with the open‑source Loreline language using the free Loreline Writer app.
OpenSuperWhisper is a macOS application that provides real-time audio transcription using the Whisper model. It offers a seamless way to record and transcribe audio with customizable settings and keyboard shortcuts.
Related contents:
Design principles for agent ergonomics. Higher accuracy with lower token cost than both MCP and regular CLI.
AXI is a new paradigm - agent-native CLI tools built from 10 design principles that treat token budget as a first-class constraint.
Related contents:
HTML is the new markdown. Lavish is the new editor for your HTML artifacts.
Lavish Editor opens agent-generated HTML files in a local browser, lets you pinpoint elements or selected text and send feedback to the agent to address.
Related contents:
Before I go to bed, I tell my agents: good night, have fun.
gnhf is a ralph, autoresearch-style orchestrator that keeps your agents running while you sleep — each iteration makes one small, committed, documented change towards an objective. You wake up to a branch full of clean work and a log of everything that happened.
Related contents:
Manage worktrees without managing worktrees.
Treehouse helps you manage a pool of reusable, isolated worktrees so each of your agents gets its own environment instantly — no cloning, no conflicts, no coordination overhead.
Related contents:
Talk to one agent. Ship with a crew.
You can run one coding agent easily. But the moment you want three project tasks done in parallel - fixes, investigations, plans, audits - you become a tab-juggler: babysitting sessions, copy-pasting context between repos, forgetting which terminal had the failing test.
firstmate flips the model. You talk to a single agent - the first mate - and it runs the crew for you: spawning autonomous agents in tmux windows, giving each a clean git worktree, supervising them to completion, and handing you finished PRs, approved local merges, or standalone investigation reports. For larger fleets, you can opt in to persistent secondmates: domain supervisors that are still ordinary direct reports, but run from their own isolated firstmate homes. There is no app to install; the orchestrator is AGENTS.md, bundled skills, and helper scripts that any terminal coding agent can follow.
Related contents:
@pierre/diffs is an open source diff and code rendering library. It's built on Shiki for syntax highlighting and theming, is super customizable, and comes packed with features. Made with love by The Pierre Computer Company.
Related contents:
The file manager your homelab deserves.
Manage Linux servers like local folders. Zero latency, instant sync, chunked transfers, and native code editing right in your browser.
Related contents:
time-travel for your MySQL.
dbtrail tails the MySQL binary log and keeps every row change with full before/after images in a searchable index.
dbtrail remembers every row change — searchable, reversible, yours. The wrong UPDATE becomes a two-minute fix. And it's Apache-2.0 — yours to run anywhere. :
Related contents:
Beautiful Reddit threads, live in your terminal.
Related contents:
Run Obsidian in the browser. No remote desktop required.
Run Obsidian as a self-hosted web app. Not remote desktop, an actual web app.
Ignis is a compatibility shim that provides browser-compatible implementations of the Electron APIs used by Obsidian, allowing Obsidian to run in a standard browser while keeping your vault on the server. Obsidian is not included in or distributed with this project. The Docker container downloads Obsidian directly from its official source on first run.
The open source control plane for AI inference.
Modelplane is software you install and run in your own environment to orchestrate models, the serving stack, and the infrastructure underneath across cloud, neocloud, and on-premise. It runs any model on any engine on any infrastructure, from a single GPU to disaggregated, multi-node deployments. Built on Crossplane, it is an active system that continuously reconciles your fleet toward the state you declare: provisioning inference clusters, scheduling deployments onto compatible clusters, scaling replicas, caching weights, and routing traffic.
Related contents:
git push no-mistakes
no-mistakes puts a local git proxy in front of your real remote. Push to no-mistakes instead of origin, and it spins up a disposable worktree, runs an AI-driven validation pipeline, forwards the branch to the configured push target only after every check passes, and opens a clean PR automatically.
A DuckDB extension that adds statistical functions to the SQL surface. The shared analytics layer that quietly powers both KoliLang and Bedevere.
Related contents:
The VanillaJS Agent UI Library. Create agentic front-end experiences for the web in VanillaJS™️. Lightweight, extensible, and WebMCP-native.
Persona helps you create agentic front-end experiences for the web, in pure JS. Lightweight, extensible, and WebMCP-native.
Tailwind CSS scroll-edge fading with CSS masks. Elegant, CSS-driven scroll-edge fade masking for Tailwind CSS v4. Zero JavaScript.
Scroll-aware edge fades for Tailwind CSS v4. Mask the edges of any scroll container so content dissolves into its surface. All CSS. Zero JavaScript.
Jaeger: open source, distributed tracing platform.
Monitor and troubleshoot workflows in complex distributed systems.
Related contents:
Autonomous Security for the AI Era.
Open-source AI hackers to find and fix your app’s vulnerabilities. Strix are autonomous AI agents that act just like real hackers - they run your code dynamically, find vulnerabilities, and validate them through actual proof-of-concepts. Built for developers and security teams who need fast, accurate security testing without the overhead of manual pentesting or the false positives of static analysis tools.
Related contents:
A cascading dropdown menu component for selecting hierarchical data like locations, categories, or organizational structures.