Free-tier ide platforms

Android Studio

Android Studio is Google’s official integrated development environment for Android app development. It includes an intelligent code editor, Compose design tools, Gradle-based build support, Android Em...

Apache NetBeans

Apache NetBeans is an open-source development environment, tooling platform, and application framework. It provides source code editing with syntactic and semantic highlighting, refactoring tools, wiz...

Code::Blocks

Code::Blocks is a free, open-source IDE for C, C++, and Fortran. It uses a plugin-based architecture so functionality such as compiling and debugging can be added through plugins, and it is available across platforms with a consistent interface and workflow.

Visual Studio Code

Visual Studio Code is a source-code editor from Microsoft that runs on macOS, Windows, Linux, and the web. The page describes it as an open source AI code editor with support for multi-agent development, extensions, documentation, an API, and web-based editing through vscode.dev.

StackBlitz

StackBlitz is a browser-based development platform for creating and running web applications. It uses WebContainers to boot Node.js development environments inside the browser tab, so code executes locally in the browser rather than on remote IDE servers.

FlutterFlow

FlutterFlow is a visual app builder for creating Flutter-based mobile, web, and desktop applications. It provides a drag-and-drop design environment, a visual action flow editor for app logic, built-in testing tools, and code export for Flutter projects.

WebComponents.dev is an online IDE for building Web Components in the browser. It provides starter templates for multiple component frameworks and languages, then lets developers push code to Git and publish packages to npm from the studio environment.

CodeSandbox is a cloud-based development environment platform that provides browser sandboxes and VM sandboxes for running code, prototyping applications, and interpreting code in isolated environment...

Replit

Replit Agent is an AI-powered app builder that turns natural-language ideas into working applications. It helps users describe what they want, generate production-ready code, and publish projects from a single workflow.

Windsurf

Windsurf is an AI-assisted code editor and IDE from Cognition AI. It combines the Windsurf Editor, Cascade local agent sessions, and Devin cloud agent sessions for coding, refactoring, lint fixing, previews, and task delegation inside the editor and JetBrains plugin.

PythonAnywhere is a cloud platform for hosting, running, and coding Python applications in the browser. It provides a full Python environment, web-based consoles, and an editor so developers can write, test, and deploy Python code without managing their own server.

GetVM

GetVM is a browser sidebar service that provides instant access to Linux VMs, IDEs, and apps for learning, coding, and testing. It runs from a Chrome extension and lets users launch container-based environments in seconds without local installation.

OnlineInterview.io

OnlineInterview.io is a browser-based remote technical interview platform with a shared code editor, embedded video chat, and a drawing canvas. Interviewers can create a free virtual room, invite part...

lil'bots

lil'bots is a hosted platform for creating, deploying, and sharing AI-powered scripts and bots. It provides a web IDE with JavaScript and Python support, a Monaco-based editor, built-in API access to ...

OneCompiler

OneCompiler is an online code editor and compiler that runs code in the browser and supports more than 100 languages and databases. The service includes code execution, sharing, API access for running code from backend applications, editor embedding, and organization/team collaboration features.

PHPSandbox

PHPSandbox is an online PHP sandbox and editor that lets developers create, run, and share PHP projects from the browser. It provides a permanent preview URL for each project, a Monaco-based editor, C...

Kiro

Kiro is an agentic AI development environment that helps developers move from prototype to production with spec-driven workflows. It combines an IDE and CLI experience with structured requirements, architectural planning, task execution, and autonomous agents to support complex software delivery.