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Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

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Top Related Projects

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Visual Studio Code

VS Code in the browser

Run upstream VS Code on a remote machine with access through a modern web browser from any device, anywhere.

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:atom: The hackable text editor

IntelliJ IDEA Community Edition & IntelliJ Platform

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Web Based, Cloud IDE

Quick Overview

Eclipse Theia is an extensible platform for developing multi-language Cloud & Desktop IDEs with state-of-the-art web technologies. It provides a flexible architecture that allows developers to create custom IDEs or extend existing ones, supporting both browser-based and desktop applications.

Pros

  • Highly extensible and customizable, allowing developers to create tailored IDE experiences
  • Supports both web-based and desktop applications using a single codebase
  • Built on modern web technologies, making it easy to develop and maintain
  • Strong integration with VS Code extensions, providing access to a large ecosystem of tools

Cons

  • Steeper learning curve compared to some other IDE frameworks
  • Documentation can be sparse or outdated in some areas
  • Performance may not be as optimized as native IDEs for large projects
  • Some features and extensions may not work consistently across web and desktop versions

Getting Started

To get started with Eclipse Theia, follow these steps:

  1. Ensure you have Node.js (v14+) and yarn installed
  2. Clone the Theia repository:
    git clone https://github.com/eclipse-theia/theia.git
    cd theia
    
  3. Install dependencies:
    yarn
    
  4. Build Theia:
    yarn build
    
  5. Start the example application:
    cd examples/browser
    yarn start
    

This will start a browser-based Theia application. For more detailed instructions and customization options, refer to the official documentation.

Competitor Comparisons

162,288

Visual Studio Code

Pros of VS Code

  • Larger ecosystem with more extensions and themes
  • More mature and stable platform with frequent updates
  • Better performance for large projects and files

Cons of VS Code

  • Less customizable and extensible at the core level
  • Tied more closely to Microsoft's ecosystem and services
  • Heavier resource usage, especially for multiple windows

Code Comparison

VS Code (JavaScript):

vscode.window.showInformationMessage('Hello World!');

Theia (TypeScript):

messageService.info('Hello World!');

Both VS Code and Theia are open-source code editors built with web technologies. VS Code is more established and feature-rich, while Theia offers greater flexibility for creating custom IDE-like products. VS Code has a larger user base and extension marketplace, but Theia provides more control over the core architecture. VS Code is optimized for desktop use, whereas Theia is designed to be more adaptable for various environments, including cloud and desktop. The code examples show that while both platforms offer similar functionality, their APIs and implementation details differ slightly.

VS Code in the browser

Pros of code-server

  • Closer to the original VS Code experience, providing a more familiar environment for developers
  • Easier setup and deployment, especially for individual users or small teams
  • Better performance for remote development scenarios, particularly with low-bandwidth connections

Cons of code-server

  • Less flexible architecture compared to Theia's modular approach
  • Limited customization options for creating specialized IDEs or tools
  • Potential licensing concerns for commercial use due to its relationship with VS Code

Code Comparison

code-server (server.ts):

import { Server } from './node/server'

const server = new Server({
  host: args['host'],
  port: args['port'],
  socket: args['socket'],
})

server.listen()

Theia (application.ts):

import { FrontendApplication } from '@theia/core/lib/browser';
import { ContainerModule } from '@theia/core/shared/inversify';

export default new ContainerModule(bind => {
    bind(FrontendApplication).toSelf().inSingletonScope();
});

The code snippets show different approaches: code-server focuses on setting up a server, while Theia uses a more modular, dependency injection-based architecture.

Run upstream VS Code on a remote machine with access through a modern web browser from any device, anywhere.

Pros of openvscode-server

  • More closely aligned with VS Code, providing a familiar experience for users
  • Potentially better compatibility with VS Code extensions
  • Faster startup time and lower resource usage in some scenarios

Cons of openvscode-server

  • Less flexible architecture compared to Theia's modular design
  • More limited customization options for developers building on top of the platform
  • Smaller community and ecosystem compared to Theia's broader adoption

Code Comparison

Theia:

import { injectable } from 'inversify';
import { MenuModelRegistry } from '@theia/core';

@injectable()
export class MyMenuContribution implements MenuContribution {
    registerMenus(menus: MenuModelRegistry): void {
        // Menu registration logic
    }
}

openvscode-server:

const vscode = require('vscode');

function activate(context) {
    let disposable = vscode.commands.registerCommand('extension.helloWorld', () => {
        vscode.window.showInformationMessage('Hello World!');
    });
    context.subscriptions.push(disposable);
}

The code examples highlight the different approaches to extending functionality. Theia uses a dependency injection system and interfaces for contributions, while openvscode-server follows VS Code's extension API pattern.

60,150

:atom: The hackable text editor

Pros of Atom

  • Mature and stable project with a large user base and extensive plugin ecosystem
  • Native desktop application with better performance for local development
  • Simpler architecture, making it easier for beginners to contribute

Cons of Atom

  • Limited web-based capabilities and remote development features
  • Discontinued by GitHub, with no further official development or support
  • Less flexible for creating custom IDEs or specialized development environments

Code Comparison

Atom (CoffeeScript):

class AtomEnvironment
  constructor: (params={}) ->
    {@clipboard, @menu, @keymaps, @tooltips, @config, @styleManager} = params
    @emitter = new Emitter
    @disposables = new CompositeDisposable

Theia (TypeScript):

@injectable()
export class TheiaApplication {
    @inject(FrontendApplicationConfigProvider)
    protected readonly configuration: FrontendApplicationConfig;

    @inject(ApplicationShell)
    protected readonly shell: ApplicationShell;

Theia's code demonstrates its use of dependency injection and TypeScript, while Atom's code showcases its CoffeeScript roots and simpler class structure. Theia's architecture is more modular and extensible, reflecting its focus on creating customizable IDE-like experiences. Atom's code is more straightforward, aligning with its goal of being an approachable text editor for developers.

IntelliJ IDEA Community Edition & IntelliJ Platform

Pros of IntelliJ IDEA Community Edition

  • More mature and feature-rich IDE with a longer development history
  • Extensive plugin ecosystem and strong community support
  • Advanced code analysis and refactoring tools

Cons of IntelliJ IDEA Community Edition

  • Heavier resource consumption, potentially slower on less powerful machines
  • Steeper learning curve for new users due to its complexity
  • Less flexibility in terms of customization compared to Theia's modular architecture

Code Comparison

IntelliJ IDEA Community Edition (Java):

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
    }
}

Theia (TypeScript):

import { injectable } from "inversify";

@injectable()
export class HelloWorldService {
    sayHello(): string {
        return "Hello, World!";
    }
}

The code examples showcase the different languages and paradigms used in each project. IntelliJ IDEA primarily uses Java, while Theia is built with TypeScript and leverages dependency injection.

Both projects aim to provide powerful development environments, but IntelliJ IDEA offers a more traditional, full-featured IDE experience, while Theia focuses on flexibility and extensibility in a web-based platform.

2,839

Web Based, Cloud IDE

Pros of Codiad

  • Lightweight and simple to set up
  • Web-based IDE with a clean, minimalist interface
  • Suitable for small to medium-sized projects

Cons of Codiad

  • Less actively maintained compared to Theia
  • Limited extensibility and plugin ecosystem
  • Fewer advanced features for large-scale development

Code Comparison

Codiad (PHP-based file management):

public function create_file($path, $data) {
    $path = $this->cleanPath($path);
    return file_put_contents($path, $data);
}

Theia (TypeScript-based file system API):

export interface FileSystemProvider {
    readFile(uri: URI): Promise<Uint8Array>;
    writeFile(uri: URI, content: Uint8Array, options: { create: boolean, overwrite: boolean }): Promise<void>;
}

Theia offers a more modern, TypeScript-based approach with a robust API for file system operations, while Codiad uses a simpler PHP implementation. Theia's architecture allows for better extensibility and integration with various language servers and tools, making it more suitable for complex development environments. Codiad, on the other hand, provides a more straightforward solution for basic web-based coding needs but lacks the advanced features and ecosystem support that Theia offers.

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README


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Eclipse Theia is an extensible framework to develop full-fledged multi-language Cloud & Desktop IDEs and tools with state-of-the-art web technologies.

Theia

Website

Visit the Eclipse Theia website for more information and the Theia documentation.

Repositories

This is the main repository for the Eclipse Theia project, containing the sources of the Theia Platform. Please open generic discussions, bug reports and feature requests about Theia on this repository. The Theia project also includes additional repositories, e.g. for the artifacts building the Theia IDE and the Theia website. Please also see the overview of all Theia project repositories.

Releases

Scope

  • Support building browser-based and desktop IDEs and tools
  • Provide a highly flexible architecture for adopters
  • Support VS Code Extension protocol
  • Develop under vendor-neutral open-source governance

More details on the project goals are available on the Theia website.

Roadmap

See our roadmap for an overview about the current project goals and the upcoming releases.

Getting Started

Here you can find guides and examples for common scenarios to adopt Theia:

Contributing

Read below to learn how to take part in improving Theia:

Feedback

Read below how to engage with Theia community:

  • Join the discussion on GitHub.
  • Ask a question, request a new feature and file a bug with GitHub issues.
  • Vote on existing GitHub issues by reacting with a 👍. We regularly check issues with votes!
  • Star the repository to show your support.
  • Follow Theia on Twitter.
  • Join the weekly developer call

Documentation

License

Trademark

"Theia" is a trademark of the Eclipse Foundation. Learn More

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