development
⚡️ The fastest key/value storage for React Native. ~30x faster than AsyncStorage!
MMKV is an efficient, small mobile key-value storage framework developed by WeChat. react-native-mmkv is a library that allows you to easily use MMKV inside your React Native app through fast and direct JS bindings to the native C++ library.
A code spell-checker, written in rust. This project aims to be a cleaner and faster replacement for cspell.
Portable, Isolated Dev Environments. Instant, easy, and predictable development environments.
Devbox is a command-line tool that lets you easily create isolated shells for development. You start by defining the list of packages required by your development environment, and devbox uses that definition to create an isolated environment just for your application.
⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.
Related contents:
Spire.Doc for Python is a professional Word Python API specifically designed for developers to create, read, write, convert and compare Word documents with fast and high-quality performance.
Related contents:
The Sylius stack is a set of tools for your Symfony projects. It comes with a bunch of components that work great independently, but when they come together, that's when the stack's magic truly operates! Indeed, the highlight of this project is the ability to configure an admin panel UI within minutes.
Related contents:
The place to collaborate on an open-source implementation of the Java Platform, Standard Edition, and related projects.
Related contents:
A TypeScript ORM for Majestic Monoliths and PostgreSQL.
Related contents:
Flowistry is an IDE plugin for Rust that helps you focus on relevant code.
Flowistry is a tool that analyzes the information flow of Rust programs. Flowistry understands whether it's possible for one piece of code to affect another. Flowistry integrates into the IDE to provide a "focus mode" which helps you focus on the code that's related to your current task.
A query language for your API.
GraphQL is an open‑source query language for APIs and a server‑side runtime. It provides a strongly‑typed schema to define relationships between data, making APIs more flexible and predictable. And it isn’t tied to a specific database or storage engine — it works with your existing code and data, making it easier to evolve APIs over time.
Related contents:
The Python stack to build web apps at light speed.
From dev environment to UI framework to deployment, Hyperflask integrates everything seamlessly to let you focus on what you are building.
Type-safe Routing for React and Solid applications
A powerful React router for client-side and full-stack react applications. Fully type-safe APIs, first-class search-params for managing state in the URL and seamless integration with the existing React ecosystem.
Related contents:
A Swift package for parsing iWork Keynote, Pages, and Numbers documents.
A Swift package for parsing and extracting content from Apple iWork documents (Pages, Numbers, and Keynote). WorkKit provides a straightforward API to open iWork documents and traverse their content.
Related contents:
Gio is a library for writing cross-platform immediate mode GUI-s in Go. Gio supports all the major platforms: Linux, macOS, Windows, Android, iOS, FreeBSD, OpenBSD and WebAssembly.
Ergonomic Framework for Humans. TypeScript with End-to-End Type Safety, type integrity, and exceptional developer experience. Supercharged by Bun.
Related contents:
Advanced Open Source Website Builder.
Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including with us.
Webstudio is an Open Source Visual Development Platform for developers, designers, and cross-functional teams. You own the data, components, and infrastructure. You can use the hosted version or roll out your own.
Related contents:
The UnifiedToolchain for the Web.
dev, build, test, lint, format, monorepo caching & more in a single dependency, built for scale, speed, and sanity.
Related contents:
Develop full-stack web apps faster.
Wasp is a compiler-driven full-stack web framework; it takes configuration and source files with your unique logic, and it generates the complete source code your the web app. Think of a Rails-like framework for React, Node.js and Prisma. Build your app in a day and deploy it with a single CLI command.
Related contents:
RustPython is a Python interpreter written in Rust. RustPython can be embedded into Rust programs to use Python as a scripting language for your application, or it can be compiled to WebAssembly in order to run Python in the browser. RustPython is free and open-source under the MIT license.
Design tools and tips for developers in a hurry.
✨😂 2000+ ways to add design flair, user delight, and whimsy to your product.
Related contents:
The PHP Framework For Web Artisans.
Laravel provides a complete ecosystem for web artisans. Our open source PHP framework, products, packages, and starter kits offer everything you need to build, deploy, and monitor web applications.
Related contents:
a streaming JSON parser.
jsonriver is a simple JS library that will parse JSON incrementally as it streams in, e.g. from a network request or a language model. It gives you a sequence of increasingly complete values.
Next Generation Server Toolkit Create web servers with everything you need and deploy them wherever you prefer.
Nitro extends your Vite app with a production-ready server, designed to run anywhere. Add server routes, deploy across multiple platforms, and enjoy a zero-config experience.
FusionAuth HTTP client and server
A full featured, stand-alone, high-performance HTTP server and client written entirely in plain Java.
Related contents:
A fast, compliant alternative implementation of Python.
PyPy is a replacement for CPython. It is built using the RPython language that was co-developed with it. The main reason to use it instead of CPython is speed: it runs generally faster (see next section).
Code review for the age of AI. Ship higher quality code, faster.
Graphite is the complete AI code review platform built to keep you unblocked.
Related contents:
Diffuse is a graphical tool for comparing and merging text files. It can retrieve files for comparison from Bazaar, CVS, Darcs, Git, Mercurial, Monotone, RCS, Subversion, and SVK repositories.
Related contents:
Visual diff and merge tool.
Meld helps you compare files, directories, and version controlled projects. It provides two- and three-way comparison of both files and directories, and has support for many popular version control systems.
Related contents:
An interactive and powerful Git interface for Neovim, inspired by Magit.
Related contents:
A flexible, configuration driven CLI for Apache Airflow local development.
Airlift is a Command Line Interface (CLI) tool designed to provide a local development environment for Apache Airflow with a simple but flexible interface. It is built on top of the official Airflow Helm Chart.
CudaText is a cross-platform text editor, written in Object Pascal. It is open source project and can be used free of charge, even for business. It starts quite fast: ~0.3 sec with ~30 plugins, on Linux on CPU Intel Core i3 3GHz. It is extensible by Python add-ons: plugins, linters, code tree parsers, external tools. Syntax parser is feature-rich, from EControl engine.
A code search / replace tool.
amber is a code search and replace tool written by Rust. This tool is inspired by ack, ag, and other grep-like tools.
A collection of Open Source agent and audio components that you can customize and extend.
ElevenLabs UI is a component library and custom registry built on top of shadcn/ui to help you build multimodal agents faster.
Light-weight control pane to run CLI coding agents(Claude Code, Codex) in parallel.
A desktop terminal application for running multiple CLI coding agents simultaneously, each in isolated git worktrees.
A Rust based utilty toolbox for developers.
A fast, lightweight CLI utility toolkit for developers and IT professionals. ut provides a comprehensive set of commonly-used tools in a single binary, eliminating the need to install and remember multiple utilities or search for random websites to perform simple tasks.
Kong is a command-line parser for Go.
Kong aims to support arbitrarily complex command-line structures with as little developer effort as possible.
To achieve that, command-lines are expressed as Go types, with the structure and tags directing how the command line is mapped onto the struct.
Mockery is a project that creates mock implementations of Golang interfaces. It inspects source code and generates implementations of the interface that aid in testing.
In addition to providing a number of different styles of mocks, mockery also allows users to provide their own template files that will then be rendered using a set of template data, methods, and functions that provide comprehensive typing information about the Go interface in question.
GoMock is a mocking framework for the Go programming language.
Go Reference
gomock is a mocking framework for the Go programming language. It integrates well with Go's built-in testing package, but can be used in other contexts too.
This project originates from Google's golang/mock repo. Unfortunately, Google no longer maintains this project, and given the heavy usage of gomock project within Uber, we've decided to fork and maintain this going forward at Uber.
Thou Shalt Write Tests.
A toolkit with common assertions and mocks that plays nicely with the standard library.
Go code (golang) set of packages that provide many tools for testifying that your code will behave as you intend.
Related contents:
A simple but powerful deobfuscator to remove common JavaScript obfuscation techniques.
Related contents:
Remote debugging AWS Lambda functions.
Lambda Live Debugger is an indispensable tool for debugging AWS Lambda functions from your computer, even though they are deployed in the cloud. The code runs with the same IAM permissions as in the cloud environment, and there's no need to redeploy when you make code changes. It supports Lambdas written in JavaScript or TypeScript. It requires almost no configuration. It is free and open source.
API Documentation for Python Projects.
pdoc auto-generates API documentation that follows your project's Python module hierarchy. It requires no configuration, has first-class support for type annotations, cross-links between identifiers, comes with an integrated live-reloading web server, and understands numpydoc or Google-style docstrings.
Related contents:
The Progressive JavaScript Framework.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
Related contents:
a new server for gems in the Ruby ecosystem.
We aim for fast, simple hosting, that is compatible with Bundler but optimized for the next generation. It’s built for the community by the former maintainers and operators of RubyGems.org.
Related contents:
The next step in Python packaging.
A Python-native package registry from the creators of uv.
Related contents:
An Intelligent Python Code Quality Analyzer.
Building with Cursor, Claude, or ChatGPT? pyscn performs structural analysis to keep your codebase maintainable.
One command. 25 languages. Universal multi-language runner and smart REPL written in Rust.
A universal code runner and stateful REPL written in Rust. Execute Python, JavaScript, TypeScript, Go, Rust, C, C++, Java, Kotlin, Swift, and 15 more languages with a single command.
Go Backend Generator.
Create Go projects faster → Auth, DB, gRPC, Docker, Swagger, and monitoring included.
GoCraft is a powerful, production-ready Go backend generator that helps developers quickly scaffold modern microservices with their preferred frameworks, databases, and features. Generate complete, well-structured Go applications in seconds with built-in best practices, security features, and comprehensive documentation.
Dev-Focused Service Monitoring.
Real-time logs, Interactive terminals, Custom alerts/notifications/Automations, File system access. All in one UI, for Docker.
your community gem host.
RubyGems.org is the Ruby community’s gem hosting service. Instantly publish your gems and then install them. Use the API to find out more about available gems. Become a contributor and improve the site yourself.
Related contents:
Fast development platform for business apps.
4D is an incredibly productive development platform that lets you focus on your data model and your business rules. The 4D framework takes care of running your application code natively on macOS and Windows.
Related contents:
The OpenAI .NET library provides convenient access to the OpenAI REST API from .NET applications.
Related contents:
NuGet is the package manager for .NET. The NuGet client tools provide the ability to produce and consume packages. The NuGet Gallery is the central package repository used by all package authors and consumers.
Read and extract text and other content from PDFs in C# (port of PDFBox).
PdfPig supports reading text and content from PDF files. It also supports basic PDF file creation.
Related contents:
📈⚖️ Visuallize your bundle
Visualize and analyze your Rollup bundle to see which modules are taking up space.
Related contents:
Symfony AI is a set of components that integrate AI capabilities into PHP applications.
Related contents:
The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.
Related contents:
Fast, all‑in‑one JavaScript parser and generator for RSS, Atom, RDF, and JSON Feed, with support for popular namespaces and OPML files. Fast, all-in-one parser and generator for RSS, Atom, RDF, and JSON Feed, with support for Podcast, iTunes, Dublin Core, and OPML files.
Feedsmith offers universal and format‑specific parsers that maintain the original feed structure in a clean, object-oriented format while intelligently normalizing legacy elements. Access all feed data without compromising simplicity.
Related contents:
The AI Toolkit for TypeScript.
From the creators of Next.js, the AI SDK is a free open-source library that gives you the tools you need to build AI-powered products.
Related contents:
⚡ Stream browser logs to terminal, zero setup, perfect for Ai Agents.
browser-echo makes it easy for you to read client-side logs directly in your coding agent during development.
Related contents: