AssemblyScript

AssemblyScript

The AssemblyScript Project
Kitesurf

Kitesurf

Cloudflare
+
+

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About

A TypeScript-like language for WebAssembly. AssemblyScript targets WebAssembly's feature set specifically, giving developers low-level control over their code. Its similarity with TypeScript makes it easy to compile to WebAssembly without learning a new language. Integrates with the existing Web ecosystem - no heavy toolchains to set up. Simply npm install it! AssemblyScript is free and open source software released under the Apache License, Version 2.0, builds upon Binaryen and is based on the WebAssembly specification. It is brought to you by the following awesome people:

About

Kitesurf is an agent-first browser built specifically for AI agents and runs entirely on Cloudflare Workers instead of using Chromium. It is designed around what agents actually need: structured machine-readable content, scalable execution, low CPU and memory use, and safe interaction with untrusted web pages, rather than human-facing features such as tabs, themes, extensions, or pixel-perfect scrolling. Each page load is treated as untrusted input, every session starts fresh, and components are isolated with access only to the resources required for their function. Kitesurf uses native Rust compiled to WebAssembly where possible and is organized around an Engine, PageScript, and PageRenderer. The Engine exposes Chrome DevTools Protocol WebSocket and REST APIs and stores session state, while PageScript parses HTML and CSS and runs JavaScript and WebAssembly inside isolated Workers.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers

Audience

AI agent developers that need a scalable browser runtime optimized for programmatic web navigation, structured content extraction, and automated browsing

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

$20
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Not Supported
In Person Not Supported

Company Information

The AssemblyScript Project
Founded: 2017
www.assemblyscript.org

Company Information

Cloudflare
Founded: 2009
United States
blog.cloudflare.com/kitesurf/

Alternatives

Alternatives

Human Browser

Human Browser

Virix Labs
AssemblyScript

AssemblyScript

The AssemblyScript Project
Extism

Extism

Dylibso
VibeSDK

VibeSDK

Cloudflare
Kitesurf

Kitesurf

Cloudflare

Categories

Categories

AI Browsers Supported

Integrations

WebAssembly Supported
CSS Not Supported
Chrome DevTools Not Supported
Chromium Not Supported
Cloudflare Not Supported
Extism Supported
HTML Not Supported
JavaScript Not Supported

Integrations

WebAssembly Supported
CSS Supported
Chrome DevTools Supported
Chromium Supported
Cloudflare Supported
Extism Not Supported
HTML Supported
JavaScript Supported
Claim AssemblyScript and update features and information
Claim AssemblyScript and update features and information
Claim Kitesurf and update features and information
Claim Kitesurf and update features and information