FastAPI is a Python web framework for building APIs using standard type hints, with automatic OpenAPI and JSON Schema documentation.
Reverse-engineering analysis plugin and visual workbench for DeepSeek Harness, combining static analysis, debugging, HTTP capture and protocol decoding.
Rust GUI component library and framework for building cross-platform desktop apps on the GPUI rendering engine.
Python library that uses LLMs and graph-based pipelines to extract structured data from websites and local documents from a natural-language prompt.
A React framework for building full-stack web applications with server rendering, static generation, and routing.
Inference engine for running AI models locally inside apps, with Rust core and Swift, Python, and TypeScript bindings.
A C library for videogame programming with 2D/3D graphics, input, audio, and windowing across desktop, mobile, web, and embedded platforms.
Framework for building cross-platform desktop apps with JavaScript, HTML, and CSS, based on Node.js and Chromium.
Framework for building small native desktop apps with a txiki.js JavaScript backend and a system webview frontend.
Python library providing GPU-accelerated tensor computation like NumPy, plus a tape-based autograd system for building deep neural networks.
Gin is a Go HTTP web framework with a Martini-like API built on httprouter for fast REST APIs and web services.
Open-source TypeScript SDK for embedding spreadsheet, document, presentation, and table editing into your own applications.
Swift SDK running open-source speech models (ASR, TTS, VAD, speaker diarization) locally on Apple devices via CoreML and the Neural Engine.
An end-to-end open source platform for building and deploying machine learning models, with Python and C++ APIs.
Google's open-source SDK for building natively compiled mobile, web, and desktop apps from a single Dart codebase.
LaTeX class for building CVs, rΓ©sumΓ©s, and cover letters with a clean, semantic markup.
A cross-browser library of ready-made CSS animation classes applied by adding a class name to an element.
General-purpose toolkit implementing TLS, DTLS, and QUIC protocols on top of a standalone cryptographic library and CLI.
TypeScript library for building type-safe production applications with typed errors, dependency injection, structured concurrency, and schema validation.
Cross-platform C library for low-level access to graphics, input, audio, and windowing, used to build games and multimedia software.
DiceBear is an open source library that generates deterministic SVG avatars from seed strings across 63 styles.
Framework for building native Android, iOS, and other platform apps using React and JavaScript.
Software update framework for macOS apps, supporting EdDSA-signed updates, delta patches, and sandboxed apps.
Specification and Scala tooling for the Code Property Graph, a language-agnostic representation of program code for analysis.
Toolkit for building native desktop apps with TypeScript and a custom markup language, compiled to a native executable.
Python toolkit for speaker diarization built on PyTorch, with pretrained pipelines and models that can be fine-tuned on your own data.
A PHP framework and set of reusable components for building web and console applications.
Cross-platform C++ framework for building desktop and mobile apps and VST, VST3, AU, AUv3, LV2 and AAX audio plug-ins and hosts.
Core code of the Laravel PHP web application framework, providing routing, dependency injection, ORM, queues, and more.
A web-based PowerPoint-style presentation editor that replicates most common PowerPoint features and previews local PPTX files in the browser.
Ruby web application framework implementing MVC with ActiveRecord, ActionView, ActionController, and related libraries for database-backed apps.
Cross-platform .NET framework for building cloud-connected web, IoT, and mobile backend applications.
Ibex is a parametrizable 32-bit RISC-V CPU core written in SystemVerilog for embedded control applications.
A C library implementing X.509 certificate handling and the TLS and DTLS protocols, with a small footprint for embedded systems.
Ruby framework for building AI features with a unified API across 23 model providers, tools, agents, and Rails conventions.
Lightweight neural network inference framework for running AI models on Espressif ESP series chips.
Theming framework that applies color schemes, wallpapers, and fonts across NixOS, Home Manager, nix-darwin, and Nix-on-Droid.
Phoenix is a web framework for Elixir for building HTTP APIs, server-rendered apps, and realtime features.
An open-source storage framework for building Lakehouse architectures with ACID tables accessible from Spark, Flink, Trino, Presto, and Hive.
Async PHP library implementing the Telegram MTProto protocol client API, for logging in as a user or bot without the Bot API.
Foundational Java framework providing dependency injection, web MVC, data access, and other infrastructure for enterprise applications.
Source for Firebase's open-source Apple platform libraries, covering auth, Firestore, messaging, storage, and more for iOS and macOS apps.
Immediate-mode GUI toolkit written in Zig for full applications or debug overlays inside existing apps and games.
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.
NixOS configuration modules and package expressions for running NixOS bare metal on Apple Silicon Macs.
Swift library for HTTP networking built on URLSession, offering chainable requests, parameter encoding, and response validation.
CVA6 is a 6-stage, single-issue, in-order 64-bit RISC-V CPU core written in SystemVerilog, supporting Linux-capable configurations.
Julia ecosystem for interactive, GPU-accelerated data visualization and plotting with multiple rendering backends.
Apache DataFusion Comet is a plugin that accelerates Apache Spark queries by running operators and expressions natively on Arrow columnar data.
A mod loader and API framework for the game Balatro, written in Lua on the LΓVE engine.
R package for building interactive web applications with reactive programming, without requiring HTML, CSS, or JavaScript.
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.
Source repository for the LaTeX2e kernel and core bundles (base, tools, graphics, amsmath, firstaid, latex-lab).
Middleware plugin that offloads Spark SQL physical plan execution to native engines like Velox and ClickHouse.
AWS-LC is a general-purpose cryptographic library (libcrypto/libssl) maintained by the AWS Cryptography team, derived from BoringSSL and OpenSSL.
Swift library for declaring type-safe command-line interfaces, with automatic parsing, help text, and error messages.
Objective-C library for asynchronously downloading and caching images, with UIImageView, UIButton, and MKAnnotationView categories.
R package for declaratively building plots by mapping data variables to aesthetics and layering geoms, scales, and facets.