CodeSandbox

01 · Who’s behind it

Who runs CodeSandbox

CodeSandbox codesandbox.io

CodeSandbox is a cloud development platform that empowers developers to code, collaborate and ship projects of any size from any device in record time.

Wikidata: online IDE

Company

No imprint we could read

Online since

Not in the Internet Archive

Audience

In English

02 · Privacy

What CodeSandbox tracks

What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.

1. 01
   StackBlitz stackblitz.com English 2 trackers

   StackBlitz | Instant Dev Environments | Click. Code. Done.

   StackBlitz is the collaborative browser-based IDE for web developers. StackBlitz eliminates time-consuming local configuration and lets developers spend more time building.

   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Google Workspace
   • Apple Business
   • Astro

   0 say StackBlitz is a good alternative to CodeSandbox 0 say StackBlitz isn’t a real alternative to CodeSandbox

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2. 02
   E2B e2b.dev English 1 tracker

   E2B | The Enterprise AI Agent Cloud

   The AI Agent Cloud. An isolated machine for every AI agent: run code, browse, use tools, pause, fork. In our cloud or your AWS, GCP, or Azure account. 100K+ teams, 2B+ sandboxes started.

   • Google Search Console
   • Google Workspace
   • Next.js
   • React
   • Apple Business
   • Cookiebot

   0 say E2B is a good alternative to CodeSandbox 0 say E2B isn’t a real alternative to CodeSandbox

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3. 03
   Replit replit.com Top 10K English 1 tracker

   AI App and Website Builder | Replit

   Describe what you want. Replit builds it. Get a working app or website in minutes. No coding required.

   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Google Workspace
   • Next.js
   • React

   0 say Replit is a good alternative to CodeSandbox 0 say Replit isn’t a real alternative to CodeSandbox

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4. 04
   CodePen codepen.io Top 10K English

   website for testing and showcasing HTML, CSS and JavaScript

   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Google Workspace

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5. 05
   Glitch glitch.com English No trackers

   Glitch Blog

   The official blog for glitch.com

   • Fastly
   • Google Cloud DNS
   • Stripe
   • UltraDNS

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6. 06
   Fly.io fly.io English No trackers

   Fly.io | Deploy apps and agents on fast, hardware-isolated VMs

   Deploy apps, agents, and databases on fast, hardware-isolated VMs. Pay only for the seconds they run. Sign up free.

   • Google Search Console
   • Google Workspace
   • Apple Business
   • Fly.io
   • Stripe

   0 say Fly.io is a good alternative to CodeSandbox 0 say Fly.io isn’t a real alternative to CodeSandbox

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7. 07
   Northflank northflank.com English No trackers

   Northflank — The runtime platform for autonomous software

   The execution layer for a world where software builds and operates itself. Run AI agents and everything they generate.

   • Google Workspace
   • Express
   • NS1

   0 say Northflank is a good alternative to CodeSandbox 0 say Northflank isn’t a real alternative to CodeSandbox

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8. 08
   JSFiddle jsfiddle.net No trackers

   JSFiddle - React, Tailwind, and code Playground

   JSFiddle - Test your React, Tailwind, JavaScript, CSS, HTML online with JSFiddle.

   • Cloudflare
   • Cloudflare DNS
   • Cloudflare Web Analytics
   • Google Search Console
   • Stripe
   • unpkg

   0 say JSFiddle is a good alternative to CodeSandbox 0 say JSFiddle isn’t a real alternative to CodeSandbox

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9. 09
   Docker docker.com Top 1K English 3 trackers

   Docker | Secure Sandboxes for AI Agents

   Run AI agents and containers safely, anywhere. Docker gives builders trusted sandboxes, governance, and a secure supply chain for modern software.

   • Google Search Console
   • Google Workspace
   • Adobe
   • Adobe Experience Platform Tags
   • Apple Business
   • Atlassian

   0 say Docker is a good alternative to CodeSandbox 0 say Docker isn’t a real alternative to CodeSandbox

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10. 10
    Cursor cursor.com Top 10K English Free plan 2 trackers

    AI Coding Agent for Building Ambitious Software | Cursor

    Built to make you extraordinarily productive, agents turn ideas into code. Accelerate development by handing off tasks to Cursor.

    • Google Search Console
    • Google Workspace
    • Next.js
    • React
    • Apple Business
    • Atlassian

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11. 11
    Lovable lovable.dev Top 10K

    AI based software to generate application code

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Google Workspace
    • Apple Business
    • HubSpot

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12. 12
    Vercel vercel.com Top 10K English 1 tracker

    Agentic Infrastructure - Vercel

    The autonomous stack for every app and agent.

    • Google Search Console
    • Google Workspace
    • Next.js
    • React
    • Amazon SES
    • Apple Business

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13. 13
    Netlify netlify.com Top 10K English Free plan 2 trackers

    Push your ideas to the web | Netlify

    Create with AI or code, deploy instantly on production infrastructure. One platform to build and ship.

    • Google Search Console
    • Google Workspace
    • Amazon SES
    • Astro
    • Google Tag Manager
    • HubSpot

    0 say Netlify is a good alternative to CodeSandbox 0 say Netlify isn’t a real alternative to CodeSandbox

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14. 14
    Gcore gcore.com English 2 trackers

    Gcore | Cloud, Edge, Security, and AI. Unified to the core.

    Launch faster, stay protected, and scale on your terms with Gcore. Run cloud, edge, security, and AI on EU-owned infrastructure built for real traffic.

    • Google Search Console
    • Adobe
    • Angular
    • AngularJS
    • Atlassian
    • Canva

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15. 15
    GitHub github.com Top 100 English Free plan 2 trackers

    GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHub

    Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

    • Google Search Console
    • Adobe
    • Apple Business
    • Atlassian
    • Contentful
    • DocuSign

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16. 16
    Devin windsurf.com English No trackers

    Devin Desktop | Devin

    Manage any agent, locally or in the cloud, from one command center. Plan, review, and ship with a team of agents.

    • Google Search Console
    • Google Workspace
    • Next.js
    • React
    • Apple Business
    • Brevo

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17. 17
    DigitalOcean digitalocean.com Top 1K English No trackers

    AI-Native Cloud | DigitalOcean

    Run AI products in production with a unified stack for agents, inference, and cloud—built for control, performance, and economics at scale.

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Google Workspace
    • Next.js
    • React

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18. 18
    Base44 base44.com English 2 trackers

    Turn an Idea Into a Working App or Website with AI | Base44

    Base44 is a no-code AI development platform that turns builders’ ideas into fully functional apps and websites — no coding required.

    • Cloudflare
    • Google Search Console
    • Google Workspace
    • Adobe
    • Atlassian
    • DocuSign

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19. 19
    Mux mux.com Top 10K English 1 tracker

    Video API for developers | Mux

    Mux helps teams ship high-performance and cost-effective video in minutes, not months. Build better video into anything from websites to platforms to AI workflows.

    • Google Search Console
    • Google Workspace
    • Next.js
    • React
    • Apple Business
    • Atlassian

    0 say Mux is a good alternative to CodeSandbox 0 say Mux isn’t a real alternative to CodeSandbox

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20. 20
    Bolt bolt.new English Free plan 1 tracker

    Bolt AI builder: Websites, apps & prototypes

    Build and scale high-performing websites & apps using your words. Join millions and start building today.

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Google Workspace
    • Google Fonts
    • HubSpot

    0 say Bolt is a good alternative to CodeSandbox 0 say Bolt isn’t a real alternative to CodeSandbox

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Closest first, by how much each site’s offer resembles CodeSandbox’s. Trackers are counted the same way as above. Highlighted technologies are ones CodeSandbox uses too. Votes and comments come from visitors and don’t change the order.

04 · History

No changes yet. Each new crawl is compared with the last one, and what CodeSandbox adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.