Open Source TypeScript Libraries
Sort By:
TypeScript Libraries
View 74 business solutionsBrowse free open source TypeScript Libraries and projects below. Use the toggles on the left to filter open source TypeScript Libraries by OS, license, language, programming language, and project status.
-
Application Monitoring That Won't Slow Your App DownFull APM with errors, performance, logs, and uptime monitoring. 99.999% uptime SLA on the platform itself.
-
Auth0 B2B Essentials: SSO, MFA, and RBAC Built InAuth0's B2B Essentials plan gives you everything you need to ship secure multi-tenant apps. Unlimited orgs, enterprise SSO, RBAC, audit log streaming, and higher auth and API limits included. Add on M2M tokens, enterprise MFA, or additional SSO connections as you scale.
-
1
SponsorBlock
Skip YouTube video sponsors (browser extension)
SponsorBlock is an open-source crowdsourced browser extension and open API for skipping sponsor segments in YouTube videos. Users submit when a sponsor happens from the extension, and the extension automatically skips sponsors it knows about using a privacy-preserving query system. It also supports skipping other categories, such as intros, outros, and reminders to subscribe, and skipping to the point with highlights. The extension also features an upvote/downvote system with a weighted random-based distribution algorithm. Once one person submits this information, everyone else with this extension will skip right over the sponsored segment. SponsorBlock is a crowdsourced browser extension that let's anyone submit the start and end time's of sponsored segments of YouTube videos. -
2
HLS.js
HLS.js is a JavaScript library that plays HLS in browsers
HLS.js is a JavaScript library that implements an HTTP Live Streaming client. It relies on HTML5 video and MediaSource Extensions for playback. It works by transmuxing MPEG-2 Transport Stream and AAC/MP3 streams into ISO BMFF (MP4) fragments. Transmuxing is performed asynchronously using a Web Worker when available in the browser. HLS.js also supports HLS + fmp4, as announced during WWDC2016. HLS.js works directly on top of a standard HTML<video> element. HLS.js is written in ECMAScript6 (*.js) and TypeScript (*.ts) (strongly typed superset of ES6), and transpiled in ECMAScript5 using Babel and the TypeScript compiler. Webpack is used to build the distro bundle and serve the local development environment. -
3
Bilibili Evolved
Powerful Bilibili Enhanced Script
Bilibili Evolved is a browser extension designed to enhance the user experience on the Bilibili video platform by adding customization and usability improvements. It provides a wide range of features that modify the interface, improve playback controls, and add additional functionality not available in the original platform. The extension is highly customizable, allowing users to enable or disable features based on their preferences. It also includes performance optimizations and visual enhancements that improve the overall viewing experience. The project is actively maintained and updated to adapt to changes in the platform. It is particularly popular among users who want a more personalized and efficient browsing experience. Overall, Bilibili-Evolved transforms the standard Bilibili interface into a more powerful and user-friendly environment. -
4
Flowbite
The most popular and open-source library of Tailwind CSS components
Build websites even faster with components on top of Tailwind CSS. Start developing with an open-source library of over 600+ UI components, sections, and pages built with the utility classes from Tailwind CSS and designed in Figma. You can now also get started with open-source component libraries built for frameworks such as React, Vue.js, Svelte and Angular. Explore the whole collection of over 58 open-source UI components and interactive elements built with the utility classes from Tailwind CSS and Flowbite. Get started with over 310+ block sections coded with Tailwind CSS and Flowbite to build high-quality website pages. Get started with the most advanced Figma Design System built for Tailwind CSS and Figma and upgrade your designer toolkit to the next level. Learn more about the Pro version of Flowbite which includes a Figma design kit based on the utility classes from Tailwind CSS and hundreds of coded pages and components including application UI. -
Try Google Cloud Risk-Free With $300 in CreditUse your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
-
5
OmniTools
Self-hosted collection of powerful web-based tools for everyday tasks
OmniTools is a self-hosted web application that bundles a large collection of everyday utilities into a single clean interface you can run on your own infrastructure. It’s designed to replace the random assortment of “free online tools” people use for quick tasks, while avoiding ads, tracking, and the need to upload sensitive files to unknown servers. A key design choice is that file processing happens entirely on the client side, meaning your data stays in your browser instead of being sent to the backend. The tool catalog spans both technical and non-technical needs, including image, video, audio, PDF, text, date/time, math, and data format utilities like JSON/CSV/XML helpers. It’s also packaged for straightforward self-hosting, with a lightweight Docker image and simple run commands, so it can be deployed quickly on a homelab or internal network. -
6
shadcn/ui
Beautifully designed components that you can copy and paste into apps
Accessible and customizable components that you can copy and paste into your apps. Free. Open Source. Use this to build your own component library. -
7
Node-Casbin
An authorization library that supports access control models
Node-Casbin is a powerful and efficient open-source access control library for Node.js projects, supporting various access control models like ACL, RBAC, and ABAC. -
8
Seerr
Open-source media request and discovery manager for Jellyfin
Seerr is a free, open-source web application for managing and fulfilling user requests for media content in your personal media server ecosystem. It integrates seamlessly with popular media servers like Jellyfin, Plex, and Emby, allowing users to browse catalogs and make automated requests for items they want added to the library. Seerr also integrates with backend automation tools such as Sonarr, Radarr, and others to automatically handle content delivery once a request is approved. The project emerged from a merge of similar tools to create a single unified codebase focused on elegant media discovery, streamlined request flows, and a modern UI. It’s designed for both home users and self-hosters who want an easier way to coordinate media requests among family, friends, or community members. Seerr’s architecture supports plugins, themes, and APIs for extensibility, and the community continues to build add-ons and mobile extensions. -
9
assistant-ui
Typescript/React Library for AI Chat
The assistant-ui project is an open-source TypeScript and React library designed to build production-grade AI chat interfaces quickly and efficiently. It provides a set of composable UI primitives that allow developers to construct fully customized conversational experiences without relying on monolithic components. The library handles complex behaviors such as streaming responses, auto-scrolling, accessibility, and real-time updates out of the box. It is designed to integrate with a wide range of AI backends and providers, making it highly flexible for different architectures. The system also supports advanced features like tool rendering, attachments, and interactive UI elements, enabling rich user experiences. With strong TypeScript support and developer-friendly defaults, it accelerates the process of building and deploying AI-powered applications. Overall, assistant-ui serves as a comprehensive frontend foundation for modern conversational AI systems. -
Go From AI Idea to AI App FastAccess Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
-
10
Iconoir
An open source icons library with 1K+ icons
Iconoir is an open-source library with 1000+ unique SVG icons, designed on a 24x24 pixels grid. No premium icons, no email sign-up, no newsletters. A React library is available to install under the name iconoir-react. A Flutter library is available to install under the name iconoir_flutter. Iconoir is happily part of Framer now. To start using the icons, on the top menu, Insert > Graphics > Iconoir. You can switch between icons from the right sidebar in the editor. The class must always be "iconoir-" and then the name of the icon. The icons are display: inline-block and default to the current font size. You can control this by adjusting the ::before styles of the element. -
11
Ionicons
Hand-crafted icons built by Ionic for web apps
Premium designed icons for use in web, iOS, Android, and desktop apps. Support for SVG and web font. Completely open source, MIT licensed and built by Ionic. Ionicons is a completely open-source icon set with 1,300 icons crafted for web, iOS, Android, and desktop apps. Ionicons was made for Ionic Framework, a cross-platform hybrid and Progressive Web App framework. The Ionicons Web Component is an easy and performant way to use Ionicons in your app. The component will dynamically load an SVG for each icon, so your app is only requesting the icons that you need. Also note that only visible icons are loaded, and icons which are "below the fold" and hidden from the user's view do not make fetch requests for the svg resource. If you're using Ionic Framework, Ionicons is packaged by default, so no installation is necessary. -
12
TensorFlow.js
TensorFlow.js is a library for machine learning in JavaScript
TensorFlow.js is a library for machine learning in JavaScript. Develop ML models in JavaScript, and use ML directly in the browser or in Node.js. Use off-the-shelf JavaScript models or convert Python TensorFlow models to run in the browser or under Node.js. Retrain pre-existing ML models using your own data. Build and train models directly in JavaScript using flexible and intuitive APIs. Tensors are the core datastructure of TensorFlow.js They are a generalization of vectors and matrices to potentially higher dimensions. Built on top of TensorFlow.js, the ml5.js library provides access to machine learning algorithms and models in the browser with a concise, approachable API. Comfortable with concepts like Tensors, Layers, Optimizers and Loss Functions (or willing to get comfortable with them)? TensorFlow.js provides flexible building blocks for neural network programming in JavaScript. -
13
baoyu-skills
Skills shared by Baoyu for improving daily work efficiency with Claude
baoyu-skills is a comprehensive plugin-based toolkit designed to enhance productivity within AI-assisted development environments, particularly Claude Code, by providing a wide range of modular “skills” for content generation, automation, and data processing. The project organizes its functionality into categories such as content creation, AI generation, and utility tools, enabling users to extend their workflows through reusable components. Each skill is implemented as a structured module with its own configuration, scripts, and execution logic, allowing for flexible customization and extension. The system supports marketplace-style installation, where users can selectively install or update individual skills rather than a monolithic package. It integrates with various external services, including AI APIs and browser automation tools, to expand its capabilities beyond basic text processing. -
14
spartan
Cutting-edge tools powering Angular full-stack development
spartan is a modern, experimental full-stack toolkit designed to enhance Angular development by combining a flexible UI component system with a broader application stack. It is structured as a monorepo that includes both a UI library and a full-stack solution, enabling developers to build complete applications with consistent tooling and design patterns. One of its defining characteristics is its inspiration from libraries like shadcn/ui, emphasizing ownership of code rather than heavy abstraction, which allows developers to fully customize and extend their components. The UI layer is built on accessible, unstyled primitives that can be enhanced with styled layers, giving teams control over both accessibility and visual design without being locked into a rigid theme. Spartan integrates well with modern Angular tooling such as Nx and Tailwind CSS, making it suitable for scalable, enterprise-level projects. -
15
Better Auth
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 a 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. -
16
COBE
5KB WebGL globe lib
The COBE project is a lightweight WebGL-based library for rendering interactive 3D globes in web applications. It is designed to provide visually appealing globe visualizations with minimal setup and high performance. The library focuses on simplicity, allowing developers to create animated and interactive globe experiences with just a few lines of code. It supports smooth animations, rotation, and customizable visual styles, making it suitable for dashboards, landing pages, and data visualization tools. The rendering is optimized to be efficient and responsive, even on lower-powered devices. It also provides configuration options for lighting, markers, and textures, enabling a wide range of visual effects. Overall, cobe offers an accessible way to integrate 3D globe visuals into modern web interfaces. -
17
Intent UI
Intent UI is a chill set of React components
Intent UI is a modern React component library focused on accessibility, customization, and developer ownership, built on top of React Aria Components and styled with Tailwind CSS. It follows a copy-and-paste philosophy similar to shadcn/ui, allowing developers to directly integrate and modify components within their own codebases instead of relying on rigid dependencies. The library emphasizes accessible design by leveraging ARIA standards and best practices, ensuring that components work well with keyboard navigation and assistive technologies. It includes a wide range of components such as overlays, forms, visualizations, and layout elements, making it suitable for building full web applications. Intent UI also provides templates, blocks, and starter kits that accelerate development and reduce setup time for new projects. Its integration with modern frameworks like Next.js, Vite, and TanStack Router further enhances its flexibility and ease of adoption. -
18
Visual Studio Code client for Tabnine
Visual Studio Code client for Tabnine
This extension is for Tabnine’s Starter (free), Pro and Enterprise SaaS users only. Tabnine Enterprise users with the self-hosted setup should use the Tabnine Enterprise extension in the VSCode Marketplace. Tabnine is an AI code assistant that makes you a better developer. Tabnine will increase your development velocity with real-time code completions, chat, and code generation in all the most popular coding languages and IDEs. Whether you call it IntelliSense, intelliCode, autocomplete, AI-assisted code completion, AI-powered code completion, AI copilot, AI code snippets, code suggestion, code prediction, code hinting, content assist, unit test generation or documentation generation, using Tabnine can massively impact your coding velocity, significantly cutting down your coding time. -
19
doc.rustdesk.com
Document of RustDesk
This repository powers RustDesk’s official documentation site, serving as the central knowledge base for installing, configuring, and operating the open-source remote desktop ecosystem. It consolidates step-by-step guides for end users, administrators, and self-hosting teams, from client setup to server deployment and maintenance. The docs explain concepts like rendezvous versus relay roles, NAT traversal, security settings, and platform-specific nuances across Windows, macOS, Linux, and mobile. Clear navigation and task-oriented articles help readers move quickly from first-time installation to advanced troubleshooting. The project treats documentation as code, enabling version control, community contributions, and swift iteration alongside product releases. It also provides best practices around performance tuning, authentication choices, and network topology so organizations can run RustDesk confidently at scale. -
20
21st.dev
Largest marketplace of shadcn/ui-based components
21st is an open-source community-driven registry and marketplace for modern React UI components, designed to streamline the discovery, sharing, and installation of reusable interface elements. It functions similarly to a package manager for design engineers, allowing users to browse and install components built with Tailwind CSS and Radix UI directly into their projects. The platform emphasizes minimal, production-ready components that follow modern design and accessibility practices, making it easier to build high-quality interfaces without starting from scratch. Developers can publish their own components to the registry, where they go through a review process before being featured or widely distributed. Each component can include multiple demos, previews, and usage examples, helping users understand how to integrate and customize them. The system also supports TypeScript out of the box, ensuring strong typing and developer experience. -
21
Compiled
A familiar and performant compile time CSS-in-JS library for React
A familiar and performant compile-time CSS-in-JS library for React. Using APIs and behavior you may already be familiar with, write your styles in JavaScript with the full power of CSS, leveraging the language to create expressive & dynamic experiences. Build with your bundler of choice or just Babel, resulting in very performant components that have their styles built ahead of time. Turn on extraction and all components styled in your app and sourced through NPM will have their runtime stripped and styles extracted to an atomic style sheet. Compiled brings distributed styles from the platform, product, and the wider ecosystem together. Add the loader to your Webpack config. Make sure this is defined after other loaders so it runs first. When developing locally its advised to use a bundler instead of Babel directly for improved developer experience. -
22
Mantine
A fully featured React components library
Mantine is a MIT‑licensed open‑source React component library offering a comprehensive set of UI elements and hooks for building modern, accessible, and responsive web applications with ease and great developer experience. Collection of 50+ hooks for state and UI management. Core components library – 100+ components. Forms management library. Manages files drag 'n' drop to an area or entire screen. -
23
Personal Security Checklist
A compiled checklist of 300+ tips for protecting digital security
Personal Security Checklist is a comprehensive, plain-language checklist for improving personal digital security and privacy across devices, accounts, and everyday workflows. It’s organized so that complete beginners can make quick, high-impact changes, while advanced users can dig into deeper hardening steps. The guidance spans topics like passwords, 2FA, device encryption, browser hygiene, network safety, backups, and incident response planning. Each section breaks recommendations into actionable, bite-sized items with brief explanations, helping you understand the “why” as well as the “how.” The repository is continuously refined by a large community, which keeps the content practical, vendor-neutral, and up to date with evolving threats and best practices. It also encourages threat modeling, matching the steps you take to the risks you actually face, so you can prioritize effectively without getting overwhelmed. -
24
SIP.js
A simple, intuitive, and powerful JavaScript signaling library
A JavaScript library that enables WebRTC-based real-time communication over the SIP (Session Initiation Protocol), allowing voice and video calling in web applications. -
25
Signature Pad
HTML5 canvas based smooth signature drawing
Signature Pad is a JavaScript library for drawing smooth signatures. It's HTML5 canvas based and uses variable width Bézier curve interpolation based on Smoother Signatures post by Square. It works in all modern desktop and mobile browsers and doesn't depend on any external libraries. Demo works in desktop and mobile browsers. You can check out its source code for some tips on how to handle window resize and high DPI screens. You can also find more about the latter in HTML5 Rocks tutorial. This library is provided as UMD (Universal Module Definition) and ES6 module. When you modify width or height of a canvas, it will be automatically cleared by the browser. SignaturePad doesn't know about it by itself, so you can call signaturePad.clear() to make sure that signaturePad.isEmpty() returns correct value in this case.
