Codeground AI: Online IDE, Cloud Workspaces, Coding Interviews, Courses & Video Calls
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Online IDE · Workspaces · Interviews · Daily Challenges Online IDE, cloud workspaces & coding interviews.<br>Codeground AI is the all-in-one developer platform. Spin up cloud workspaces, run code in 15+ languages, conduct secure technical interviews and use a complete developer toolbox — all from a single browser tab. No installs. No setup.<br>Start coding free Launch a workspace<br>Free, no signup needed<br>Real Docker-isolated runtimes<br>Share any session with one link
main.pyREADME.md<br>1def greet(name):<br>2 return f"hi, {name}!"<br>4if __name__ == "__main__":<br>5 print(greet("world"))|<br>$ python main.py<br>hi, world!
Engineers from world-class companies and universities use Codeground AI
Online IDE that just runs<br>A full Monaco-powered editor with syntax highlighting, autocomplete and one-click execution in 15+ languages. Hit Run, see output. That’s it.<br>Open the editor
Cloud Workspaces<br>Spin up persistent, container-isolated dev environments from a template or a Git repo. File tree, multi-tab editor, real terminal, live logs — pre-configured and ready to ship.<br>Launch a workspace
Interview Platform<br>Remote coding interviews for startups: shared Monaco editor, Ground Call video, integrity monitoring (tabs, focus, desktop share), and structured scoring — without enterprise pricing.<br>Explore interviews
Ground Call<br>Host browser-based video calls built for pair programming and remote interviews. Start a room in one click, share the link, screen-share your editor, and switch between grid, spotlight, sidebar, or gallery layouts — no install required.<br>Start a call
Interactive Courses<br>System Design Dojo plus language tracks — sketch architectures for AI critique, or learn with guided lessons and runnable code in the browser.<br>Browse courses
Developer Toolbox<br>JSON Diff, JWT Debugger, Base64, Regex Tester, Epoch Converter, JSON ↔ CSV, QR generator and more — every micro-tool you Google, in one place.<br>Browse all tools
Dev Break Arcade<br>Quick browser games for when your brain needs a reset — snake, flappy, breakout, endless driving, and chess. No install, no account, just play and come back sharper.<br>Play a game
Pick a stack<br>Choose from 15+ language and database playgrounds. Your environment is provisioned in real Docker containers.
functionship() {constit = idea();returnrun(it);}<br>Code in the browser<br>A Monaco-powered editor with autocomplete, multi-file tabs, AI assistance and a real Linux terminal alongside it.
Run, share, ship<br>Hit Run for instant output. Share a link, invite collaborators, or take it to interview, evaluation or production.
Node.js JavaScript runtimeJavaScript & Node.js — paste, run, share.→<br>Python Python 3.xPython 3 online — paste, run, share.→<br>Java JDK 11Java online compiler — javac + java in the browser.→<br>C++ g++ / C++17C++ online with g++ — contests and quick compiles.→<br>Go go 1.16+Go online — go run in the browser.→<br>Rust rustc 1.71Rust online — rustc in the browser.→<br>TypeScript tsc + NodeTypeScript online — tsc then Node.→<br>React (JSX) Live previewReact playground — imports, live preview.→<br>Ruby Ruby 3.xRuby online — run scripts in the browser.→<br>Lua Lua 5.4Lua online — run scripts in the browser.→<br>Groovy JVM GroovyGroovy online — JVM scripts, no local JDK.→<br>Web (HTML/CSS/JS) Live previewHTML/CSS/JS editor — live preview.→<br>Shell / Bash Bash 5Bash online — Linux commands, no VM.→<br>MongoDB Mongo shellMongoDB shell online — query without Atlas.→<br>PostgreSQL psqlPostgreSQL online — SQL in the browser.→<br>MySQL mysqlMySQL online — SQL editor with a real server.→<br>Redis redis-cliRedis CLI online — no install.→<br>ClickHouse OLAP SQLClickHouse online — OLAP SQL playground.→
Cloud workspaces<br>A real dev environment, in a tab.<br>Launch a workspace from a template or import a Git repo. You get a multi-tab editor, a real terminal, dependency installs, persistent files and live runtime logs — already wired up.<br>Import any public Git repo or start from a template<br>Real Linux terminal with package managers and apt-style installs<br>Run servers and view live logs without leaving the workspace<br>Container-isolated, so no two workspaces collide<br>Persistent files — pick up where you left off, anywhere<br>Launch a workspace<br>workspace · my-api<br>EXPLORER<br>▾ src<br>app.ts<br>routes.ts<br>db.ts<br>▸...