Kitesurf

Kitesurf

Cloudflare
+
+

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About

Aside is an AI browser rebuilt for people and agents, designed to complete real work across the websites, accounts, tabs, messages, and files users already rely on. Unlike agents that depend on integrations, Aside operates websites directly, signing into email, dashboards, internal tools, and other logged-in services to handle research, communications, document work, spreadsheets, downloads, forms, and multi-step workflows. Users can assign a task from any tab, provide page context with mentions, and let the agent keep working through follow-ups with Ultrabrowse until the task is done. Aside can prepare staff packets, collect dashboard metrics, download and rename invoices, check vendor renewals, stage approval notes, contact support, capture screenshots, and return source links and exceptions for human review. Repeated processes can become scheduled Routines or reusable Skills with specific portals, naming rules, approval stops, and instructions.

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
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Professionals and teams seeking an AI browser that can autonomously complete complex work across websites and accounts while protecting credentials and requiring approval for sensitive actions

Audience

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

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$20 per month
Free Version
Free Trial

Pricing

$20
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5

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:

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Pros & Cons from Real Users

Pros

  • Aside is exciting because it is trying to do more than summarize pages. It can work across websites, accounts, dashboards, messages, docs, spreadsheets, and files, which makes it feel like a real browser agent instead of a chatbot bolted onto a browser. I also like that it has permissions and task controls. If an AI browser is going to click around, sign in, and handle workflows, I want clear guardrails.

Cons

  • I would still be careful with sensitive accounts, payments, customer data, or anything destructive. AI browsers are powerful, but they need close supervision. It also needs to prove it can handle messy websites, weird pop-ups, failed steps, and confusing workflows reliably.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Aside
United States
aside.com

Company Information

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

Alternatives

Arc Browser

Arc Browser

The Browser Company

Alternatives

AssemblyScript

AssemblyScript

The AssemblyScript Project
Brave Browser

Brave Browser

Brave Software
VibeSDK

VibeSDK

Cloudflare

Categories

Categories

Integrations

Amazon
CSS
Canva
ChatGPT
Chrome DevTools
Chromium
Claude
GitHub
Google Cloud Platform
Google Docs
Google Drive
Google Sheets
Linear
LinkedIn
Notion
Salesforce
Slack
WhatsApp
X (Twitter)
YouTube

Integrations

Amazon
CSS
Canva
ChatGPT
Chrome DevTools
Chromium
Claude
GitHub
Google Cloud Platform
Google Docs
Google Drive
Google Sheets
Linear
LinkedIn
Notion
Salesforce
Slack
WhatsApp
X (Twitter)
YouTube
Claim Aside and update features and information
Claim Aside and update features and information
Claim Kitesurf and update features and information
Claim Kitesurf and update features and information