library
JSON for Classic C++.
json.cpp is a baroque JSON parsing / serialization library for C++.
node.js command-line interfaces made easy.
The complete solution for node.js command-line interfaces.
Simple, reliable, and efficient distributed task queue in Go.
Asynq is a Go library for queueing tasks and processing them asynchronously with workers. It's backed by Redis and is designed to be scalable yet easy to get started.
⚡️ OpenAI PHP is a supercharged community-maintained PHP API client that allows you to interact with OpenAI API.
OpenAI PHP is a community-maintained PHP API client that allows you to interact with the Open AI API.
Leverage the more advanced TypeScript features.
Take full advantage of what TypeScript can offer. A collection of utilities that makes your TS code cleaner and safer.
Undetectable, Lightning-Fast, and Adaptive Web Scraping for Python.
Dealing with failing web scrapers due to anti-bot protections or website changes? Meet Scrapling.
Scrapling is a high-performance, intelligent web scraping library for Python that automatically adapts to website changes while significantly outperforming popular alternatives. For both beginners and experts, Scrapling provides powerful features while maintaining simplicity.
Conversational Data Analysis.
PandasAI is a Python platform that makes it easy to ask questions to your data in natural language. It helps non-technical users to interact with their data in a more natural way, and it helps technical users to save time, and effort when working with data.
PandasAI is a Python library that integrates generative artificial intelligence capabilities into pandas, making dataframes conversational. Chat with your database (SQL, CSV, pandas, polars, mongodb, noSQL, etc). PandasAI makes data analysis conversational using LLMs (GPT 3.5 / 4, Anthropic, VertexAI) and RAG.
A small Python library created to help developers protect their applications from Server Side Request Forgery (SSRF) attacks. It implements an asynchronous GET method called safehttpx.get(), which is a wrapper around httpx.AsyncClient.get() while performing DNS validation on the supplied URL using Google DNS.
Flask-Vault is a robust library that empowers Flask applications to securely store and manage sensitive credentials. It provides a set of CLI commands for storing secrets using AES-GCM symmetric encryption, ensuring that vital information like API keys and database credentials remain protected.
Flask-Vault provides several cli commands and Python functions to store secrets that you do not want to keep in the clear, using symmetric encryption with AES-GCM. These commands and functions allow you to safely read/write very important credentials such as API keys, database credentials, etc.
Build reliable crawlers. Fast.
A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.
Build your Python web crawlers using Crawlee. It helps you build reliable Python web crawlers. Fast.
Crawlee—A web scraping and browser automation library for Python to build reliable crawlers. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with BeautifulSoup, Playwright, and raw HTTP. Both headful and headless mode. With proxy rotation.
Routing and navigation for Expo and React Native apps.
Open-Source Web Automation library with any LLM.
Let LLMs interact with websites through a simple interface.
Run .NET and Node.js code in-process on Windows, macOS, and Linux.
Edge.js allows you to run Node.js and .NET code in one process on Windows, macOS, and Linux
You can call .NET functions from Node.js and Node.js functions from .NET. Edge.js takes care of marshaling data between CLR and V8. Edge.js also reconciles threading models of single-threaded V8 and multi-threaded CLR.
An embedded database. the champagne of beta embedded databases.
An absurdly small jQuery alternative for modern browsers.
Cash is an absurdly small jQuery alternative for modern browsers (IE11+) that provides jQuery-style syntax for manipulating the DOM. Utilizing modern browser features to minimize the codebase, developers can use the familiar chainable methods at a fraction of the file size. 100% feature parity with jQuery isn't a goal, but Cash comes helpfully close, covering most day to day use cases.
A lightweight, idiomatic and composable router for building Go HTTP services.
chi is a lightweight, idiomatic and composable router for building Go HTTP services. It's especially good at helping you write large REST API services that are kept maintainable as your project grows and changes. chi is built on the new context package introduced in Go 1.7 to handle signaling, cancelation and request-scoped values across a handler chain.
🌈 React for interactive command-line apps. React for CLIs. Build and test your CLI output using components.
Ink provides the same component-based UI building experience that React offers in the browser, but for command-line apps. It uses Yoga to build Flexbox layouts in the terminal, so most CSS-like props are available in Ink as well. If you are already familiar with React, you already know Ink.
Hurmet is a rich-text editor that gives you the ability to create high quality calculation documents using standard math notation.
Hurmet calculations are much easier to read and check than spreadsheet calculations. Hurmet does not hide the active expressions and intermediate values of a calculation. They’re all open for review in the displayed document.
Machine learning tools in JavaScript
This library is a compilation of the tools developed in the mljs organization. It is mainly maintained for use in the browser. If you are working with Node.js, you might prefer to add to your dependencies only the libraries that you need, as they are usually published to npm more often. We prefix all our npm package names with ml- (eg. ml-matrix) so they are easy to find.
🧙♀️ Lightweight and flexible dependency injection library for JavaScript and TypeScript, w/wo ECMAScript decorators.
Structured text generation and robust prompting for language models.
Outlines is a Python library that allows you to use Large Language Model in a simple and robust way (with structured generation). It is built by .txt, and is already used in production by many companies.
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OpenFreeMap lets you display custom maps on your website and apps for free.
You can either self-host or use our public instance. Everything is open-source, including the full production setup — there’s no ‘open-core’ model here. Check out our GitHub. The map data comes from OpenStreetMap.
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Better Upload is a file upload library for React that makes it very simple and easy to upload files directly to any S3-compatible service. It handles both the client and your server.
While Better Upload is designed to work with Next.js, it can also work with any framework / backend server that uses standard Request and Response objects. Like Remix and Hono!
TypeScript client for OpenAI's realtime voice API.
React Native Bottom Tabs
Bottom Tabs using native platform primitives.
Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.
World's most performant DOM-based table. A multithreaded web table, capable of running 120fps while sorting/filtering/scrolling simultaneously.
HTML components in pure Go.
gomponents are HTML components in pure Go. They render to HTML 5, and make it easy for you to build reusable components. So you can focus on building your app instead of learning yet another templating language.
An authorization library that supports access control models like ACL, RBAC, ABAC for Golang, Java, C/C++, Node.js, Javascript, PHP, Laravel, Python, .NET (C#), Delphi, Rust, Ruby, Swift (Objective-C), Lua (OpenResty), Dart (Flutter) and Elixir.
Detect and extract tables to markdown and csv.
Tabled is a small library for detecting and extracting tables. It uses surya to find all the tables in a PDF, identifies the rows/columns, and formats cells into markdown, csv, or html.
A performant interactive bottom sheet with fully configurable options 🚀
A rich and powerful templating language for JavaScript. A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired).
A simple, lightweight, and privacy-focused product analytics php package.
Pan is a lightweight and privacy-focused PHP product analytics library. It’s designed as a very simple package that you can install via composer require and start tracking your pages or components with a simple data-pan attribute.
A fast and ergonomic concurrent hash-table for read-heavy workloads.
Ridiculously simple and lightweight placeholders.
A free placeholder service designed for developers. Integrates seamlessly with React & NextJS.
Clearer API for PHP Attributes and Reflection.
Instant sync. A new way to build apps with distributed state.
Jazz is an open-source toolkit for building apps with distributed state.
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Meet the NiceGUI. And let any browser be the frontend of your Python code. Create web-based user interfaces with Python. The nice way.
NiceGUI is an easy-to-use, Python-based UI framework, which shows up in your web browser. You can create buttons, dialogs, Markdown, 3D scenes, plots and much more.
Build in-app AI chatbots in days, not weeks.
assistant-ui is a chatbot UI for your React app
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TinyJS is a lightweight JavaScript library for dynamically creating HTML elements with deep property assignment. It simplifies DOM manipulation by allowing you to generate any standard HTML tag programmatically, apply properties, append content, and select DOM elements with ease.
The Ultimate Express. Fastest http server with full Express compatibility, based on µWebSockets.
This library is a very fast re-implementation of Express.js 4. It is designed to be a drop-in replacement for Express.js, with the same API and functionality, while being much faster. It is not a fork of Express.js.
🚀 A lightweight HTTP library inspired by JavaScript's fetch, bringing simplicity and flexibility to PHP HTTP requests.
FetchPHP is a modern HTTP client library for PHP, built on top of the Guzzle HTTP client, designed to mimic the behavior of JavaScript’s fetch API. Leveraging Matrix for true asynchronous capabilities with PHP Fibers, FetchPHP allows developers to use a JavaScript-like async/await syntax. FetchPHP also offers a fluent API inspired by Laravel's HTTP client, making request building both flexible and readable.
Feature-rich ORM for modern TypeScript & JavaScript.
Sequelize is a modern TypeScript and Node.js ORM for Oracle, Postgres, MySQL, MariaDB, SQLite and SQL Server, and more. Featuring solid transaction support, relations, eager and lazy loading, read replication and more.
The most comprehensive authentication library for TypeScript.
Better Auth is framework-agnostic authentication (and authorization) library for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities with minimal code in short amount of time. Whether you need 2FA, multi-tenant support, or other complex features. It lets you focus on building your actual application instead of reinventing the wheel.
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Prompt design using JSX.
Priompt (priority + prompt) is a JSX-based prompting library. It uses priorities to decide what to include in the context window.
Priompt is an attempt at a prompt design library, inspired by web design libraries like React.
open-source cryptographic APIs.
Welcome to the home of the Legion of the Bouncy Castle and its FIPS-certified open-source cryptographic APIs for Java and C#.
State-of-the-art Machine Learning for PHP. Run Transformers natively in your PHP projects.
Transformers PHP is a toolkit for PHP developers to add machine learning magic to their projects easily. TransformersPHP is designed to be functionally equivalent to the Python library, while still maintaining the same level of performance and ease of use. This library is built on top of the Hugging Face's Transformers library, which provides thousands of pre-trained models in 100+ languages. It is designed to be a simple and easy-to-use library for PHP developers using a similar API to the Python library. These models can be used for a variety of tasks, including text generation, summarization, translation, and more.
Matrix Client-Server SDK for Rust.
matrix-rust-sdk is an implementation of a Matrix client-server library in Rust.
Signals and Slots library for PHP.
Signals and slots is a mechanism introduced in Qt for communication between objects. It makes it easy to implement the observer pattern while avoiding boilerplate code. Siglot aims to provide similar features for the PHP language, with particular attention to Developer Experience (DX).
ell is a lightweight prompt engineering library treating prompts as functions.
Apache MINA SSHD is a 100% pure java library to support the SSH protocols on both the client and server side. It does not aim at being a replacement for the SSH client or SSH server from Unix operating systems, but rather provides support for Java based applications requiring SSH support.
A practical functional library for JavaScript programmers.
There are already several excellent libraries with a functional flavor. Typically, they are meant to be general-purpose toolkits, suitable for working in multiple paradigms. Ramda has a more focused goal. We wanted a library designed specifically for a functional programming style, one that makes it easy to create functional pipelines, one that never mutates user data.
The fastest math typesetting library for the web.
KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the web.
🛡 A GraphQL tool to ease the creation of permission layer. GraphQL Permissions Framework for Complex Authorisation Systems. Implement your server permissions in a clear and deterministic way and let it guard access to your schema.
GraphQL Shield helps you create a permission layer for your application. Using an intuitive rule-API, you'll gain the power of the shield engine on every request and reduce the load time of every request with smart caching. This way you can make sure your application will remain quick, and no internal data will be exposed.
✉️ Send e-mails with Node.JS – easy as cake!
Nodemailer is a module for Node.js applications to allow easy as cake email sending. The project got started back in 2010 when there was no sane option to send email messages, today it is the solution most Node.js users turn to by default.