Open-source plugins that specialize Claude for knowledge-work roles like sales, legal, finance, and support, for use in Claude Cowork.
OpenUI is a framework-agnostic Generative UI framework with a streaming-first language for rendering model-generated interfaces.
Python library that runs large language model inference layer by layer, so 70B-class models fit on a single 4GB GPU without quantization.
Reverse-engineering analysis plugin and visual workbench for DeepSeek Harness, combining static analysis, debugging, HTTP capture and protocol decoding.
Provides a PyTorch backend that runs PyTorch models and operations on Google's Tensor Processing Units (TPUs).
Python library and SDK that builds a hierarchical tree index of documents so an LLM can reason through it for retrieval, without vector databases or chunking.
MCP server and Unity Editor package that lets AI assistants control scenes, scripts, assets, tests, and builds in Unity.
Open-source text-to-speech library with a 1.7B 1-bit speech model and lightweight ONNX models that run on CPU.
Python library that uses LLMs and graph-based pipelines to extract structured data from websites and local documents from a natural-language prompt.
A mod loader and C++ modding SDK for Geometry Dash that provides hooks, UI, and tooling for building mods.
Gin is a Go HTTP web framework with a Martini-like API built on httprouter for fast REST APIs and web services.
Open-source SDK for building and running AI agents in Python and TypeScript, with a fully assembled harness and a model-agnostic agent loop.
Java framework for building distributed, long-running agents with an event stream, tool-call permissions, middleware, and sandboxed workspaces.
Open-source TypeScript SDK for embedding spreadsheet, document, presentation, and table editing into your own applications.
Static recompiler and runtime that converts Xbox 360 PowerPC code into portable C++ runnable on modern platforms.
A library of model optimization techniques (quantization, pruning, distillation, NAS, speculative decoding, sparsity) that exports compressed checkpoints for inference frameworks.
Sandboxed execution system that runs untrusted code on Windows, Linux, and macOS using OS-native sandboxes or VMs behind one policy model.
Inference code, checkpoints, and notebooks for Meta's Segment Anything Model (SAM), which produces object masks from points, boxes, or automatically for whole images.
LaTeX class for building CVs, rΓ©sumΓ©s, and cover letters with a clean, semantic markup.
Cross-browser test suite for Web platform specifications, run in all major browsers to check interoperability.
Godot 4 addon for creating dialogs, visual novels, and RPG conversations, with character management.
A C++ project that reverse-engineers GTA: San Andreas and rewrites its functions as a DLL that replaces the in-game code.
TypeScript library for building type-safe production applications with typed errors, dependency injection, structured concurrency, and schema validation.
DiceBear is an open source library that generates deterministic SVG avatars from seed strings across 63 styles.
Meta's Segment Anything Model 2 for promptable segmentation in images and videos, with inference code, checkpoints, and example notebooks.
A neural network from OpenAI that scores how well text snippets match images, trained on image-text pairs for zero-shot prediction.
Python toolkit for speaker diarization built on PyTorch, with pretrained pipelines and models that can be fine-tuned on your own data.
A configuration framework for GNU Emacs with curated defaults, modular config, and Evil (Vim) keybindings.
Java workflow engine that executes BPMN processes, CMMN cases, and DMN decision rules, embeddable or runnable as a server.
A PHP framework and set of reusable components for building web and console applications.
An iOS library that natively renders After Effects vector animations exported as Bodymovin JSON.
A web-based PowerPoint-style presentation editor that replicates most common PowerPoint features and previews local PPTX files in the browser.
Open-source large language models and tooling for financial tasks such as sentiment analysis, forecasting, and robo-advisory.
Cross-platform .NET framework for building cloud-connected web, IoT, and mobile backend applications.
A PHP library for composing and sending email with SMTP, attachments, HTML bodies, and address validation.
A LuCI web-interface theme for OpenWrt routers that supports image or video login backgrounds and light/dark mode switching.
Ibex is a parametrizable 32-bit RISC-V CPU core written in SystemVerilog for embedded control applications.
Cross-platform USB host and device stack in C for embedded systems, with no dynamic allocation and interrupts deferred to task context.
A C library implementing X.509 certificate handling and the TLS and DTLS protocols, with a small footprint for embedded systems.
A Zig inference framework that compiles ML models through MLIR and OpenXLA to run on NVIDIA, AMD, Intel, TPU, and Trainium hardware.
Theming framework that applies color schemes, wallpapers, and fonts across NixOS, Home Manager, nix-darwin, and Nix-on-Droid.
An open-source storage framework for building Lakehouse architectures with ACID tables accessible from Spark, Flink, Trino, Presto, and Hive.
Async I/O runtime for Zig that schedules lightweight coroutines across OS threads and implements the std.Io interface.
A pure PHP library for reading and writing spreadsheet files such as Excel, LibreOffice Calc, and ODS formats.
Contrib repository of OpenTelemetry Collector components that are not suitable for the core collector repository.
Async PHP library implementing the Telegram MTProto protocol client API, for logging in as a user or bot without the Bot API.
A full-stack framework for Laravel that builds dynamic, reactive UI components without writing JavaScript.
A Go library for calling C functions in shared libraries at runtime without using Cgo.
A collection of NixOS modules that tune system settings for specific laptops, desktops, and other hardware.
Neovim plugin that wraps fzf (or skim) to provide fuzzy pickers for files, buffers, grep, LSP symbols, git and more, written in Lua.
Swift library for HTTP networking built on URLSession, offering chainable requests, parameter encoding, and response validation.
Vim Script plugin that adds a configurable status line and tab line to Vim windows.
Apache DataFusion Comet is a plugin that accelerates Apache Spark queries by running operators and expressions natively on Arrow columnar data.
Collection of optional add-on plugins for the OPNsense firewall distribution, installable from the firmware GUI.
Python library that computes Shapley-value explanations for the predictions of any machine learning model.
PHP logging library that sends logs to files, sockets, email, databases and web services via a PSR-3 compatible API.
Core library that generates automated dependency update pull requests for many package ecosystems, used by Dependabot.
Middleware plugin that offloads Spark SQL physical plan execution to native engines like Velox and ClickHouse.
Objective-C library for asynchronously downloading and caching images, with UIImageView, UIButton, and MKAnnotationView categories.
LaTeX/TikZ code for drawing neural network architecture diagrams for reports and presentations.