Showing 904 open source projects for "visual html editor"

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  • 1
    HTML Anything

    HTML Anything

    The agentic HTML editor

    ...It emphasizes local-first creation, reusable design skills, and practical export paths rather than a closed hosted editor model. The repository uses modern web technologies and is positioned as a flexible creative workspace for agent-assisted design. Its value is in turning AI-generated HTML into usable visual deliverables without forcing every project into a traditional design tool.
    Downloads: 6 This Week
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  • 2
    visual-explainer

    visual-explainer

    Agent skill + prompt templates that generate rich HTML pages

    visual-explainer is an AI-oriented agent skill that converts complex terminal or analytical output into polished, human-readable HTML reports designed for quick comprehension and sharing. The project includes prompt templates and automation logic that enable coding agents to generate visual summaries such as diff reviews, architecture overviews, plan audits, and structured data tables.
    Downloads: 0 This Week
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  • 3
    Visual Studio Code

    Visual Studio Code

    Modern IDE and code editor from Microsoft for Mac, Windows, and Linux

    Visual Studio Code is updated monthly with new features and bug fixes. You can download it for Windows, macOS, and Linux on Visual Studio Code's website. To get the latest releases every day, install the Insiders build. Debug code right from the editor. Launch or attach to your running apps and debug with break points, call stacks, and an interactive console.
    Downloads: 49 This Week
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  • 4
    effective-html

    effective-html

    Agent skill for elegant and simple html plans, architecture diagrams

    effective-html is an agent skill package for generating polished, self-contained HTML visual artifacts. It focuses on pragmatic outputs such as plans, architecture diagrams, system diagrams, and general-purpose HTML pages. The repository includes separate skills for standard HTML artifacts, full-screen HTML diagrams, and HTML plan pages. It is designed to work with agent tooling such as Skills, Claude Code plugins, and Codex plugins. ...
    Downloads: 2 This Week
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  • 5
    beautiful-html-templates

    beautiful-html-templates

    A library of HTML slide templates

    beautiful-html-templates is a reusable library of HTML slide templates made for coding agents that need to produce polished presentation decks automatically. It gives agents a structured way to choose a visual direction, clone the right template, and adapt it to a user’s content brief. The project includes an index-driven workflow, with guidance files that explain how an agent should inspect available templates and match them to the requested style.
    Downloads: 13 This Week
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  • 6
    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.
    Downloads: 13 This Week
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  • 7
    html-video

    html-video

    Programmatic video for coding agents — HTML to video on your laptop

    ...It fits naturally with local AI coding agents, since the visual output is represented as code that can be inspected, changed, and regenerated. The workflow can support motion graphics, social content, product visuals, and structured video experiments. Its main value is turning HTML-based design and animation into a repeatable, agent-friendly video production pipeline.
    Downloads: 0 This Week
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  • 8
    Void Editor

    Void Editor

    Open source AI IDE and Cursor alternative

    Void is an open-source, AI-powered code editor built as a fork of Visual Studio Code. Designed as a fully transparent and privacy-focused alternative to Cursor or GitHub Copilot, it lets you use AI models locally or via APIs (OpenAI, Claude, Gemini, Ollama, etc.)—without routing data through proprietary servers. Developed by YC-backed startup Glass Devtools, it supports traditional coding features inherited from VS Code, enhanced with in-editor LLM capabilities—autocomplete, inline quick edits, and chat agents, all while giving developers total prompt and data control.
    Downloads: 23 This Week
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  • 9
    Editor.js

    Editor.js

    A block-style editor with clean JSON output

    Editor.js is an open-source text editor offering a variety of features to help users create and format content efficiently. It has a modern, block-style interface that allows users to easily add and arrange different types of content, such as text, images, lists, quotes, etc. Each Block is provided via a separate plugin making Editor.js extremely flexible. Editor.js outputs clean JSON data instead of heavy HTML markup.
    Downloads: 0 This Week
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  • 10
    Asciidoc Editor based on JavaFX 20

    Asciidoc Editor based on JavaFX 20

    Asciidoc Editor and Toolchain written with JavaFX 19

    Asciidoc FX is a WYSIWYG editor for the Asciidoc markup language. You can build PDF, Epub, and HTML books, documents, and slides. Supported Operating Systems and Builds shows the list of available builds with links for reference. If you are looking for the very latest version, visit the link in the note above to be guaranteed of downloading the latest and greatest version of AsciidocFX.
    Downloads: 2 This Week
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  • 11
    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: 12 This Week
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  • 12
    Olive Video Editor

    Olive Video Editor

    Free open-source non-linear video editor

    0.2 is the upcoming major release of Olive. It's a complete rewrite from the ground up designed around cutting-edge features to help you make the best videos possible. Olive 0.2 provides powerful and flexible node-based compositing. Node editing is a form of visual programming that gives you full control over how Olive renders your video. Rather than a "fixed" pipeline where one effect occurs after the other, nodes allow you to connect anything to anything else allowing a ton of flexibility...
    Downloads: 57 This Week
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  • 13
    C/C++ for Visual Studio Code

    C/C++ for Visual Studio Code

    Repository for the Microsoft C/C++ extension for VS Code

    The C/C++ extension adds language support for C/C++ to Visual Studio Code, including features such as IntelliSense and debugging. C/C++ support for Visual Studio Code is provided by a Microsoft C/C++ extension to enable cross-platform C and C++ development on Windows, Linux, and macOS. C++ is a compiled language meaning your program's source code must be translated (compiled) before it can be run on your computer.
    Downloads: 61 This Week
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  • 14
    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.
    Downloads: 0 This Week
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  • 15
    Electron

    Electron

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

    Electron is an open-source framework that uses Node.js runtime and the Chromium web browser thereby allowing you to build apps with JavaScript, HTML, and CSS. It is compatible with Mac, Windows and Linux and comes with convenient features such as automatic updates, app crash reporting, debugging and profiling and more. It takes care of the hard parts so you can focus on the core of your app. 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: 57 This Week
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  • 16
    Nordcraft

    Nordcraft

    Packages that are used internally by the Nordcraft engine

    Nordcraft is an open source Web Development Engine that combines visual design tools, a reactive front-end framework, server-side rendering, and full programming capabilities in a unified platform aimed at streamlining modern web app creation. It offers a visual editor that lets designers and developers collaborate closely, making it possible to build, preview, and modify interfaces without constantly switching between code and browser views.
    Downloads: 5 This Week
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  • 17
    C.A.F.E.

    C.A.F.E.

    The "Third Way" for Home Assistant Automations

    CAFE (Complex Automation Flow Editor) for Home Assistant is an innovative automation authoring tool that provides a visual flow editor inside Home Assistant, offering a “third way” between manual YAML and external flow tools by transpiling visual flows directly into native Home Assistant automation YAML. It’s designed to give users the visual clarity of tools like Node-RED without the overhead of a separate execution engine, storing the logic as standard YAML that runs in the core automation engine with zero added resource use. ...
    Downloads: 0 This Week
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  • 18
    ILSpy

    ILSpy

    .NET Decompiler with support for PDB generation, ReadyToRun, Metadata

    ILSpy is the open-source .NET assembly browser and decompiler. Visual Studio 2022 ships with decompilation support for F12 enabled by default (using our engine v7.1). In Visual Studio 2019, you have to manually enable F12 support. Go to Tools / Options / Text Editor / C# / Advanced and check Enable navigation to decompiled source. C# for Visual Studio Code ships with decompilation support as well.
    Downloads: 425 This Week
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  • 19
    Blockly

    Blockly

    The web-based visual programming editor

    The Blockly library adds an editor to your app that represents coding concepts as interlocking blocks. It outputs syntactically correct code in the programming language of your choice. Custom blocks may be created to connect to your own application. Blockly in a browser allows web pages to include a visual code editor for any of Blockly's five supported programming languages, or your own.
    Downloads: 41 This Week
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  • 20
    MSBuild

    MSBuild

    The Microsoft Build Engine (MSBuild) build platform for .NET and VS

    Visual Studio projects import all the necessary settings and build processes to do typical development work, but you can extend or modify them from within Visual Studio or by using an XML editor. Starting with Visual Studio 2022, when you build in Visual Studio, the 64-bit version of MSBuild is used.
    Downloads: 45 This Week
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  • 21
    OEditorX

    OEditorX

    Online EditorX

    OEditorx is an open-source project - A user-friendly online editor tailored for HTML, CSS, and JavaScript. This editor is designed to empower you to write and immediately test your front code. It allows you to experiment with various styles, layouts, and interactive elements in real-time, all through an intuitive interface. Whether you are in the process of creating a website, prototyping an application, or simply exploring the potential of these technologies, our editor serves as the ideal tool to bring your creative ideas to fruition.
    Downloads: 1 This Week
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  • 22
    DbGate

    DbGate

    Database manager for MySQL, PostgreSQL, SQL Server, MongoDB

    ...Free table editor - quick table data editing (cleanup data after import/before export, prototype tables, etc.) Archives - back up your data in JSON files on local filesystem (or on DbGate server, when using web application) Charts, export chart to HTML page.
    Downloads: 26 This Week
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  • 23
    MarkText

    MarkText

    A simple and elegant markdown editor

    MarkText is an MIT licensed open source project, and the latest version will always be downloadable for free from the GitHub release page. MarkText is still in development, and its development is inseparable from all sponsors. Realtime preview (WYSIWYG) and a clean and simple interface to get a distraction-free writing experience. Support CommonMark Spec, GitHub Flavored Markdown Spec and selective support Pandoc markdown. Markdown extensions such as math expressions (KaTeX), front matter...
    Downloads: 545 This Week
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  • 24
    Luna Paint

    Luna Paint

    A raster image editor extension for VS Code

    Luna Paint is a lightweight image editor built directly into Visual Studio Code, designed for quick pixel art and sprite editing. It integrates seamlessly with the VSCode workflow, making it ideal for developers working on game assets or simple image edits without leaving their coding environment.
    Downloads: 2 This Week
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  • 25
    baoyu-design

    baoyu-design

    Run Claude Design locally as an Agent Skill

    baoyu-design is an Agent Skill that lets local coding agents produce polished visual design artifacts. It packages Claude Design-style methodology for environments such as Cursor, Claude Code, Codex, Claude Desktop, and other file-capable agents. The skill can generate UI mockups, prototypes, wireframes, landing pages, dashboards, mobile app screens, and slide decks as self-contained HTML. It keeps outputs inside the local project, so artifacts can be versioned, edited, previewed, and refined without uploading work to a separate design website. ...
    Downloads: 4 This Week
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