TypeScript Libraries and Tools Page 4 of 5

Browse 108 TypeScript Libraries and Tools on AlternativeTo.

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  1. Pretext icon
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    Pretext is a tiny (15KB gzipped) zero-dependency TypeScript library that handles text layout, measurement, and rendering entirely outside the DOM. Created by Cheng Lou (React core team, Reason, Midjourney), it delivers up to 500x faster performance than traditional DOM...

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Typescript
    • JavaScript
    • npm
    Pretext screenshot 1
  2. Voker icon
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    The agent analytics platform for monitoring and improving your AI agents in the wild. No more digging through logs, fix agents before users complain.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Python
    • Online
    • Software as a Service (SaaS)
    • Typescript
    Voker screenshot 1
    Voker screenshot 1
    Voker screenshot 2
    +3
    Voker screenshot 3
    4 alternatives
  3. The Universal Tool Calling Protocol (UTCP) is an open standard, as an alternative to the MCP, that describes how to call existing tools rather than proxying those calls through a new server. After discovery, the agent speaks directly to the tool’s native endpoint (HTTP, gRPC...

    Cost / License

    Platforms

    • Self-Hosted
    • Python
    • Go (Programming Language)
    • Typescript
  4. PGlite icon
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    PGlite is a WASM Postgres build packaged into a TypeScript client library that enables you to run Postgres in the browser, Node.js, Bun and Deno, with no need to install any other dependencies. It is only 3mb gzipped and has support for many Postgres extensions, including...

    Cost / License

    Platforms

    • Self-Hosted
    • Typescript
    • PostgreSQL
    PGlite screenshot 1
    PGlite screenshot 1
  5. Rstest icon
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    Rstest is a testing framework powered by Rspack. It delivers comprehensive, first-class support for the Rspack ecosystem, enabling seamless integration into existing Rspack-based projects.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Typescript
    • JavaScript
    • Node.JS
    • npm
    • Self-Hosted
    Rstest screenshot 1
    14 alternatives
  6. MathLive icon
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    The MathLive library includes a <math-field> web component that provides an easy-to-use interface for editing math.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • JavaScript
    • Typescript
    MathLive screenshot 1
    MathLive screenshot 1
    1 alternatives
  7. Jazz icon
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    Jazz is an open-source framework for building local-first apps, removing 90% of the backend and infrastructure complexity. Get real-time sync, storage, auth, permissions, instant UI updates, file uploads, and more — all on day one.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Typescript
    Jazz screenshot 1
    Jazz screenshot 1
    7 alternatives
  8. A production-grade animation library for the web. Free and open source. Create stunning web animations for React, JavaScript and Vue.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • React
    • JavaScript
    • Vue.js
    • npm
    • Typescript
    Motion.dev screenshot 1
    2 alternatives
  9. wraplet icon
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    wraplet is a small JavaScript/TypeScript framework for projects that work directly with the actual DOM (server-rendered apps, jQuery legacy, multipage sites, plain HTML, etc.).

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • JavaScript
    • Typescript
    • npm
    5 alternatives
  10. MCPcat icon
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    MCPcat is an analytics platform for MCP server owners 🐱. It captures user intentions and behavior patterns to help you understand what AI users actually need from your tools — eliminating guesswork and accelerating product development all with one-line of code.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Python
    • Typescript
    • Online
    • Software as a Service (SaaS)
    MCPcat screenshot 1
    MCPcat screenshot 1
  11. pdfnative icon
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    Pdfnative is a next-generation PDF generation library built from the ground up in pure TypeScript. It requires zero runtime dependencies and delivers enterprise-grade PDF compliance including ISO 32000-1 (PDF/A) at four conformance levels.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Typescript
    pdfnative screenshot 1
  12. Gridland icon
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    A framework for building terminal apps, built on OpenTUI + React. Gridland apps work in the browser and terminal.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • JavaScript
    • Typescript
    • npm
    Gridland screenshot 1
    Gridland screenshot 1
  13. SSGOI icon
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    Animated page transition for major SSR frameworks and browsers, including Safari.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • JavaScript
    • Typescript
    landing page
    1 alternatives
  14. TanStack icon
     Like

    Headless, type-safe, composable tools for building modern web applications that work naturally for developers and reliably for agents.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • JavaScript
    • Typescript
    • npm
    TanStack screenshot 1
  15. Rslib icon
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    Rslib is a library development tool that leverages the well-designed configurations and plugins of Rsbuild, empowering library developers to take advantage of the extensive knowledge and ecosystem of webpack and Rspack.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Typescript
    • JavaScript
    • npm
    • Node.JS
    Rslib screenshot 1
    2 alternatives
  16. MCPFinder icon
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    MCP server that finds MCP servers. Discovers, evaluates, and installs 25K+ MCP servers across Official Registry, Glama, and Smithery for any AI client (Claude, Cursor, Cline, Windsurf).

    Cost / License

    Platforms

    • Claude Code
    • Cursor
    • Windsurf
    • JavaScript
    • Typescript
    • npm
    MCPFinder screenshot 1
    8 alternatives
  17. Skrun icon
     Like

    Turn any Agent Skill (SKILL.md) into a callable API via POST /run. Multi-model, stateful, open source.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • JavaScript
    • Typescript
    • npm
    Skrun screenshot 1
    1 alternatives
  18. js-dos icon
     Like

    The best API for running dos programs in browser.

    Cost / License

    • Free
    • Open Source

    Platforms

    • JavaScript
    • Typescript
    • Self-Hosted
    • npm
  19. JavaScript library to draw smooth curves and straight lines with your mouse, finger or any pointing device.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • JavaScript
    • Typescript
    Lazy Brush screenshot 1
  20. VoltAgent icon
     Like

    VoltAgent is an open-source TypeScript framework that acts as this essential toolkit. It simplifies the development of AI agent applications by providing modular building blocks, standardized patterns, and abstractions.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
    • Typescript
    • npm
    VoltAgent screenshot 1
    VoltAgent screenshot 1
    14 alternatives
  21. Corgi icon
     Like

    Corgi is a blazing-fast, fully offline VIN decoder built with TypeScript. Powered by an optimized VPIC database, it delivers comprehensive vehicle information with zero network dependencies and lightning-fast performance across Node.js, browsers, and Cloudflare Workers.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Typescript
    • Node.JS
    3 alternatives