2238 projects for "source editor" with 1 filter applied:

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  • 1
    JSON Editor

    JSON Editor

    A web-based tool to view, edit, format, and validate JSON

    JSON Editor is a web-based JSON editing and visualization tool designed for viewing, editing, formatting, validating, and transforming JSON documents in multiple interactive modes. The project provides several editing interfaces including tree view, code editor, form-based editing, and plain text modes, allowing users to work with structured data in the format most suitable for their workflow. It can be embedded directly into web applications as a reusable component and supports large JSON...
    Downloads: 12 This Week
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  • 2
    Monaco Editor

    Monaco Editor

    A browser based code editor

    Monaco Editor is the rich, browser-based code editor that powers Visual Studio Code, providing advanced editing capabilities as a standalone embeddable library for web applications. Models are at the heart of Monaco editor. It's what you interact with when managing content. A model represents a file that has been opened. This could represent a file that exists on a file system, but it doesn't have to. For example, the model holds the text content, determines the language of the content, and...
    Downloads: 5 This Week
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  • 3
    canvas-editor

    canvas-editor

    Canvas-based WYSIWYG rich text editor with advanced layout tools

    canvas-editor is a browser-based rich text editor that renders content using HTML5 Canvas and SVG instead of traditional DOM-based approaches. It is designed to provide a WYSIWYG editing experience similar to word processors, enabling precise control over layout, rendering, and document structure. canvas-editor supports a wide range of formatting and document features, including text styling, tables, images, and embedded elements, all managed through a structured data model. Its architecture...
    Downloads: 4 This Week
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  • 4
    Phoenix Code Editor

    Phoenix Code Editor

    Phoenix is a modern open-source Code Editor for the web

    Phoenix is a modern open-source and free software code editor for the web, built for the browser.
    Downloads: 7 This Week
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  • 5
    jclasslib bytecode editor

    jclasslib bytecode editor

    Visualizes all aspects of compiled Java class files

    jclasslib bytecode editor is a tool that visualizes all aspects of compiled Java class files and the contained bytecode. Many aspects of class files can be edited in the UI. In addition, it contains a library that enables developers to read and write Java class files and bytecode. All constant pool entries can be edited. Referenced constant pool entries can directly be edited from the context menu that is shown by the "Edit" button of attributes and constant pool entries. Bytecode...
    Downloads: 9 This Week
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  • 6
    Compose Rich Editor

    Compose Rich Editor

    A Rich text editor library for both Jetpack Compose

    A rich text editor library for both Jetpack Compose and Compose Multiplatform, fully customizable and supports the common rich text editor features.
    Downloads: 0 This Week
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  • 7
    draw.io

    draw.io

    JavaScript client-side editor for general diagramming & whiteboarding

    draw.io is a JavaScript, client-side editor for general diagramming and whiteboarding. draw.io, this project, is a configurable diagramming/whiteboarding visualization application. draw.io is jointly owned and developed by JGraph Ltd and draw.io AG. draw.io is a diagramming or whiteboarding application, depending on which theme is selected. It is not an SVG editing app, the SVG export is designed only for embedding in web pages, not for further editing in other tools. The application is...
    Downloads: 12 This Week
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  • 8
    Kilo

    Kilo

    A text editor in less than 1000 LOC with syntax highlight and search

    Kilo is a minimalistic terminal text editor written in C, famous for fitting its full implementation into fewer than 1,000 lines of code in a single source file. It was created by Salvatore Sanfilippo (antirez, also known for Redis) as an exercise in writing a small, self-contained editor that others can study and extend. Despite its tiny size, Kilo supports core editor features like opening and saving files, incremental search, and basic syntax highlighting. ...
    Downloads: 1 This Week
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  • 9
    JOE - Joe's own editor
    Joe is world-famous Wordstar like text editor. Development has moved to Github (link in the toolbar), however Sourceforge still hosts downloads, issues, and mirrors.
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    Downloads: 345 This Week
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  • 10
    MCP for Unity

    MCP for Unity

    AI bridge enabling assistants to control and automate Unity Editor

    Unity MCP is an open source integration that connects AI assistants with the Unity Editor through the Model Context Protocol (MCP). It acts as a bridge that allows language models and AI coding tools to interact directly with a Unity development environment using structured commands and tools. By linking an AI assistant to a running Unity project, the system enables automated operations such as managing project assets, modifying scenes, editing scripts, and performing other development tasks inside the editor. ...
    Downloads: 2 This Week
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  • 11
    Milkdown

    Milkdown

    Plugin driven WYSIWYG markdown editor framework

    A plugin-driven WYSIWYG markdown Editor, inspired by Typora, built on top of prose-mirror and remark. The website is designed by Meo and Mirone. Powered by Theme Nord and Material Design. A plugin driven framework to build WYSIWYG Markdown editor.
    Downloads: 0 This Week
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  • 12
    Agent Client Protocol (ACP)

    Agent Client Protocol (ACP)

    A protocol for connecting any editor to any agent

    Agent Client Protocol is an open protocol for standardizing communication between code editors and AI coding agents. It defines how an interactive editor can connect to an agent that reads, edits, and reasons about source code. The project is meant to reduce fragmentation between IDEs, terminal tools, and autonomous coding systems by creating a shared communication layer. Its goal is to let any compatible editor work with any compatible coding agent without every integration being custom-built. ...
    Downloads: 0 This Week
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  • 13
    Godot Minimal Theme

    Godot Minimal Theme

    Godot Minimal Theme

    Godot Minimal Theme is not a game engine itself, but rather a custom editor theme designed for Godot Engine — aiming to offer a clean, minimalistic, and visually comfortable interface for the Godot editor. The theme adjusts base colors, accent colors, contrast, icon saturation, corner radii, fonts, and other UI settings to deliver a more modern, streamlined, and easier-on-the-eyes editor appearance. It has been tested and confirmed compatible with several recent Godot versions (4.3, 4.4, 4.5), and many users believe it significantly improves the usability and aesthetic of the Godot editor, especially for extended coding or scene-building sessions. ...
    Downloads: 0 This Week
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  • 14
    Apache NetBeans

    Apache NetBeans

    Apache NetBeans

    Apache NetBeans is much more than a text editor. It highlights source code syntactically and semantically, lets you easily refactor code, with a range of handy and powerful tools. Apache NetBeans provides editors, wizards, and templates to help you create applications in Java, PHP and many other languages. Apache NetBeans can be installed on all operating systems that support Java, i.e, Windows, Linux, Mac OSX and BSD.
    Downloads: 163 This Week
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  • 15
    Electron

    Electron

    Build cross-platform desktop apps with JavaScript, HTML, and CSS

    ...Initially developed for the Atom editor, Electron is now the framework of choice for dozens of popular desktop apps including Microsoft's Visual Studio Code.
    Downloads: 92 This Week
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  • 16
    Shuffle Automation

    Shuffle Automation

    A general purpose security automation platform

    Shuffle is an open-source security automation platform built for security teams, MSSPs, and service providers. It helps teams connect tools, automate repetitive security operations, and coordinate workflows through a visual editor. The platform includes a workflow engine, app integrations, OpenAPI-based app creation, and premade apps for common security tools.
    Downloads: 14 This Week
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  • 17
    builder.io

    builder.io

    Visual Development for React, Vue, Svelte, Qwik, and more

    Builder is an open-source visual development platform and headless content management system designed to help teams build and manage digital experiences more efficiently. The platform combines a drag-and-drop visual editor with an API-driven content system that can deliver structured content to any front-end framework or application. Builder allows developers to integrate their existing components and design systems while enabling designers and marketers to modify layouts and publish content without writing code. ...
    Downloads: 19 This Week
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  • 18
    GQty

    GQty

    The No-GraphQL Client for TypeScript

    GQty is a TypeScript-first GraphQL client that removes the need to handwrite and maintain GraphQL queries in many application workflows. Instead of manually defining query documents, developers access data through generated, strongly typed client structures. The library automatically tracks what data the application uses and turns that into GraphQL operations. This helps reduce duplicated schema knowledge between front-end code and query files. It also surfaces API-breaking changes through...
    Downloads: 9 This Week
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  • 19
    Better Notes for Zotero

    Better Notes for Zotero

    Everything about note management

    Better Notes is a Zotero plugin that expands the application into a connected note-taking and knowledge management workspace. It supports linked notes so researchers can connect ideas, sources, and annotations across their libraries. A template system can automate literature notes, metadata analysis, summaries, and repeatable research workflows. Notes can synchronize bidirectionally with Markdown files and export to Markdown, DOCX, PDF, or mind map formats. Editor enhancements add outlines,...
    Downloads: 12 This Week
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  • 20
    Novel

    Novel

    Notion-style WYSIWYG editor with AI-powered autocompletion

    Novel is an open-source, Notion-style WYSIWYG editor that combines structured rich-text editing with AI-assisted writing. It is built around Tiptap and ProseMirror, giving developers an extensible document model rather than a simple text area. Writers can compose and format content visually while requesting generated continuations through OpenAI-powered autocompletion.
    Downloads: 0 This Week
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  • 21
    Tiptap

    Tiptap

    The headless editor framework for web artisans

    The headless editor framework for web artisans. Tiptap gives you full control about every single aspect of your text editor experience. It’s customizable, comes with a ton of extensions, is open source and has extensive documentation. Join our welcoming community and start building cool things! It’s headless and comes without any CSS. You are in full control over markup, styling and behavior.
    Downloads: 1 This Week
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  • 22
    ArkType

    ArkType

    TypeScript's 1:1 validator, optimized from editor to runtime

    ArkType is a high-performance runtime type validation library for TypeScript. It offers a 1:1 validator optimized from editor to runtime, enabling developers to define and enforce complex type constraints seamlessly.​
    Downloads: 1 This Week
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  • 23
    OpenScience

    OpenScience

    The open-source AI workbench for scientific research

    OpenScience is an open-source AI workbench for scientific research. It lets users give an agent a research goal, then have it read literature, form hypotheses, write and run code, run experiments, analyze results, and write up findings. The workspace runs in the browser and includes a file tree, editor, terminal, session history, and scientific rendering for molecules, structures, genomes, and plots.
    Downloads: 86 This Week
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  • 24
    Minuet

    Minuet

    Dance with Intelligence in Your Code

    Minuet-AI.nvim is an open-source Neovim plugin that provides AI-powered code completion by connecting the editor to modern large language models. The project is designed to bring real-time AI assistance directly into the developer’s editing environment while maintaining the speed and flexibility expected from the Neovim ecosystem. Instead of relying on a single provider, the plugin supports a variety of LLM backends, allowing developers to choose among services such as OpenAI, Claude, Gemini, Codestral, Ollama, or local inference engines. ...
    Downloads: 15 This Week
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  • 25
    HTML Anything

    HTML Anything

    The agentic HTML editor

    HTML Anything is an agentic HTML editor that helps local AI agents generate polished HTML artifacts across multiple content formats. It is built for workflows where the user describes a desired output and the agent writes the HTML that can then be previewed, edited, and shipped. The project supports a wide surface area, including magazine layouts, decks, posters, social posts, prototypes, and data-oriented artifacts. It emphasizes local-first creation, reusable design skills, and practical...
    Downloads: 1 This Week
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