Showing 120 open source projects for "syntax"

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  • 1
    Shiki

    Shiki

    A beautiful yet powerful syntax highlighter

    A beautiful syntax highlighter based on TextMate grammar, accurate and powerful.
    Downloads: 0 This Week
    Last Update:
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  • 2
    Rehype Pretty Code

    Rehype Pretty Code

    Beautiful code blocks for Markdown or MDX

    Rehype Pretty Code is a Rehype plugin powered by the Shiki syntax highlighter that provides beautiful code blocks for Markdown or MDX. It works on both the server at build-time (avoiding runtime syntax highlighting) and on the client for dynamic highlighting. Enjoy the accuracy and granularity of VS Code’s syntax highlighting engine and the popularity of its themes ecosystem - use any VSCode theme you want.
    Downloads: 2 This Week
    Last Update:
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  • 3
    diff2html

    diff2html

    Pretty diff to html javascript library (diff2html)

    ...Wrapper and helper adding syntax highlight, synchronized scroll, and other nice features. You can use it without syntax highlight or by passing your own implementation with the languages you prefer. Diff2Html can be used in various ways as listed in the distributions section.
    Downloads: 2 This Week
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  • 4
    Hermes Desktop

    Hermes Desktop

    Desktop Companion for Hermes Agent

    ...The platform supports multiple AI providers, including OpenAI, Anthropic, Google Gemini, Grok, OpenRouter, and local model endpoints. Its real-time streaming chat interface includes markdown rendering, syntax highlighting, tool progress tracking, and token usage monitoring. Hermes Desktop also integrates messaging platforms, automation features, and customizable personas to create a comprehensive AI productivity environment.
    Downloads: 101 This Week
    Last Update:
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  • 5
    Meriyah

    Meriyah

    A 100% compliant, self-hosted javascript parser

    Meriyah is a high-performance, fully compliant JavaScript parser that generates ESTree-compatible Abstract Syntax Trees (ASTs). Designed for speed and stability, it serves as an alternative to parsers like Acorn and Esprima.​
    Downloads: 2 This Week
    Last Update:
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  • 6
    VSCode-ANTLR4

    VSCode-ANTLR4

    ANTLR4 language support for Visual Studio Code

    vscode-antlr4 is a Visual Studio Code extension that provides comprehensive support for ANTLR4 grammar development. It enhances the editing experience by offering syntax highlighting, code completion, error checking, and visualization tools, making it easier to design and debug grammars within the VS Code environment. The extension supports various target languages and integrates seamlessly with ANTLR4's toolchain.
    Downloads: 0 This Week
    Last Update:
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  • 7
    FormatJS

    FormatJS

    The monorepo home to all of the FormatJS related libraries

    ...For most web projects, internationalization happens in the template or view layer, so we've built integrations with React & Vue. FormatJS is aligned with: ECMAScript Internationalization API (ECMA-402), Unicode CLDR, and ICU Message syntax. By building on these industry standards, FormatJS leverages APIs in modern browsers and works with the message syntax used by professional translators. FormatJS has been tested in all the major browsers (IE11, Chrome, FF & Safari) on both desktop and mobile devices.
    Downloads: 0 This Week
    Last Update:
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  • 8
    Markdoc

    Markdoc

    A powerful, flexible, Markdown-based authoring framework.

    From personal blogs to massive documentation sites, Markdoc is a content authoring system that grows with you. Markdoc is a Markdown-based syntax and toolchain for creating custom documentation sites and experiences. We designed Markdoc to power Stripe's public docs, our largest and most complex content site. Markdoc is a Markdown-based syntax and toolchain for creating custom documentation sites. Stripe created Markdoc to power our public docs. Markdoc uses a fully declarative approach to composition and flow control. ...
    Downloads: 0 This Week
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  • 9
    Token-Oriented Object Notation

    Token-Oriented Object Notation

    Token-Oriented Object Notation (TOON)

    ...The format aims to reduce token overhead compared with traditional formats like JSON while remaining human-readable and structurally expressive. TOON represents the same data model as JSON but removes unnecessary syntax such as braces and quotes, relying instead on indentation and structured tokens to represent objects and arrays. This design allows prompts containing structured data to use significantly fewer tokens, which can reduce inference costs and improve efficiency in LLM applications. The project includes a formal specification, encoding rules, and reference implementations that developers can use to serialize and parse TOON data in their applications.
    Downloads: 7 This Week
    Last Update:
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  • 10
    SQLTools

    SQLTools

    Database management for VSCode

    VSCode-SQLTools is a Visual Studio Code extension that enhances database management and development. It provides a rich set of features for connecting to databases, executing queries, and managing data directly within the code editor.
    Downloads: 10 This Week
    Last Update:
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  • 11
    Fable

    Fable

    F# to JavaScript compiler

    ...These are some of the main F# features that you can use in your web apps with Fable. There's a lot of code involving continuations out there, like asynchronous or indeterministic operations. Other languages bake specific solutions into the syntax, with F# you can use built-in computation expressions and also extend them yourself. These are some of the main F# features that you can use in your web apps with Fable.
    Downloads: 4 This Week
    Last Update:
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  • 12
    roblox-ts

    roblox-ts

    A TypeScript-to-Luau Compiler for Roblox

    roblox-ts is an attempt to bridge the abilities of TypeScript to work in a Roblox environment. We break down your code into an abstract syntax tree and emit functionally similar structures in Luau so that the code behaves the same.
    Downloads: 35 This Week
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  • 13
    CodePilot

    CodePilot

    A native desktop GUI for Claude Code

    CodePilot is a native desktop graphical user interface built for Claude Code that lets developers chat with, code with, and manage AI-assisted projects visually rather than through the terminal. Created with Electron and Next.js, CodePilot delivers a polished experience where users can talk to Claude models, view syntax-highlighted responses, attach files, and inspect project context via a live file tree. It supports session management so chats and project work persist between restarts, letting users pick up where they left off without losing history. Unlike traditional CLI-only workflows, CodePilot brings panels, drag-to-resize layouts, and controls for tool permissions that make it feel like a modern desktop code assistant. ...
    Downloads: 2 This Week
    Last Update:
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  • 14
    nomnoml

    nomnoml

    The sassy UML diagram renderer

    This is nomnoml, a tool for drawing UML diagrams based on a simple syntax. It tries to keep its syntax visually as close as possible to the generated UML diagram without resorting to ASCII drawings. The nomnoml javascript library can render diagrams on your web page. The only dependency is graphite. Install nomnoml using either npm or good old script inclusion. In the SVG output the node name is attached to SVG shapes and g containers with data-name attribute.
    Downloads: 0 This Week
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  • 15
    SwitchHosts

    SwitchHosts

    Switch hosts quickly

    SwitchHosts is an App for hosts management & switching. It is a free and open source software. The IP, domain name and comments are displayed in different colors so that all kinds of information can be seen at a glance. Combine different solutions through multiple selection modes to complete the configuration of complex environments. The shortcut menu is displayed in the system tray menu, click to quickly view/switch hosts schemes. Supports local and remote schemes, can download from the...
    Downloads: 51 This Week
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  • 16
    PostCSS

    PostCSS

    A tool for transforming CSS with JavaScript

    PostCSS is a tool for transforming styles with JS plugins. These plugins can do a great number of things: transpile future CSS syntax, lint your CSS, support variables and mixins, and so much more. PostCSS works by taking a CSS file and providing an API to analyze and modify its rules (through its transformation into an Abstract Syntax Tree). The API can then be used by plugins to do a lot of useful things. With PostCSS, you can increase code readability by adding vendor prefixes to CSS rules; convert modern CSS so it's understood by more browsers; and avoid errors in your CSS via stylelint, a modern CSS linter. ...
    Downloads: 1 This Week
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  • 17
    AssemblyScript

    AssemblyScript

    A TypeScript-like language for WebAssembly

    AssemblyScript is a TypeScript-like programming language specifically designed to compile into WebAssembly, enabling developers to write high-performance code using familiar JavaScript syntax. It introduces static typing and low-level control while maintaining compatibility with existing JavaScript tooling and workflows. The language is optimized for generating efficient and compact WebAssembly modules, making it suitable for performance-critical applications in both browser and server environments. Its design bridges the gap between high-level scripting and low-level execution, allowing developers to achieve near-native performance without switching to languages like C or Rust. ...
    Downloads: 2 This Week
    Last Update:
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  • 18
    koishi-plugin-novelai

    koishi-plugin-novelai

    Koishi plugin for NovelAI image generation with advanced controls

    ...It supports multiple configuration options, including model switching, sampler selection, and adjustable image sizes, giving users control over output quality and style. It includes advanced prompt syntax to refine results and allows automatic translation of Chinese keywords to improve usability across languages. A customizable banned word list helps filter unwanted content, while timed message recall can automatically delete generated outputs after a set period. Built on Koishi’s modular system, koishi-plugin-novelai can be extended with additional integrations, making it adaptable for different bot environments and use cases.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 19
    AI Shell

    AI Shell

    CLI tool turning natural language into executable shell commands

    AI Shell is an open source command-line interface tool designed to translate natural language instructions into executable shell commands, helping users interact with their terminal more intuitively. It acts as a bridge between human intent and command-line syntax by leveraging large language models to interpret plain English input and generate accurate commands. This approach reduces the need to memorize complex command structures, making it especially useful for beginners or users working across different environments. AI Shell is inspired by similar AI-assisted terminal workflows but is made openly available for customization and extension. ...
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20
    NextJS Ollama LLM UI

    NextJS Ollama LLM UI

    Fully-featured web interface for Ollama LLMs

    ...The interface stores conversations in local storage, so no separate backend database is required, making it ideal for hobbyists, experimenters, and developers who want a simple, web-accessible portal to their models. It includes usability enhancements like code syntax highlighting and easy code block copying, plus basic controls to download and manage models directly from the web UI.
    Downloads: 2 This Week
    Last Update:
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  • 21
    NativeScript-Vue3 Beta

    NativeScript-Vue3 Beta

    Native mobile applications using Vue and NativeScript

    ...NativeScript-Vue is the right choice for you! NativeScript-Vue is easy to get started with, it is a single dependency that you can install through npm. NativeScript-Vue aims to have a syntax that you are used to from Vue.js. With NativeScript-Vue you can build your apps rapidly, because you don't have to learn new languages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Xplorer

    Xplorer

    Xplorer, a customizable, modern file manager

    ...It supports multiple tabs, allowing users to open and manage many directories simultaneously. A key strength is built-in file preview: beyond just listing files, Xplorer lets you preview many file types directly (images, text files with syntax highlighting, and even video preview for supported formats), saving the extra step of opening external viewers. The design emphasizes customization: users can choose themes, customize layouts (grid or detail view), pin favorites in a sidebar, and tailor the experience to their workflow.
    Downloads: 7 This Week
    Last Update:
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  • 23
    One Dark Pro

    One Dark Pro

    Atom's iconic One Dark theme for Visual Studio Code

    ...It focuses on readability and aesthetics, using a carefully selected color palette that reduces eye strain while maintaining strong contrast between code elements. The theme supports a wide range of programming languages, ensuring consistent syntax highlighting across different file types. It also integrates seamlessly with VS Code features, enhancing the overall developer experience. The design emphasizes clarity, making it easier to navigate and understand complex codebases. It is widely adopted due to its balance between style and functionality. Overall, OneDark-Pro serves as a high-quality customization option for developers seeking a polished coding interface.
    Downloads: 1 This Week
    Last Update:
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  • 24
    C# for Visual Studio Code

    C# for Visual Studio Code

    C# support for Visual Studio Code (powered by OmniSharp)

    Welcome to the C# extension for Visual Studio Code! This extension provides the following features inside VS Code. Lightweight development tools for .NET Core. Great C# editing support, including Syntax Highlighting, IntelliSense, Go to Definition, Find All References, etc. Debugging support for .NET Core (CoreCLR). Note: Mono debugging is not supported. Desktop CLR debugging has limited support. Support for project.json and csproj projects on Windows, macOS and Linux. .NET Framework builds of OmniSharp no longer ship with Mono or the MSBuild tooling (See announcement omnisharp-roslyn#2339). ...
    Downloads: 22 This Week
    Last Update:
    See Project
  • 25
    Homebridge Config UI X

    Homebridge Config UI X

    The Homebridge UI. Monitor, configure and backup Homebridge

    ...Homebridge Config UI X is a web-based management tool for Homebridge that allows you to manage all aspects of your Homebridge setup. Install and configure Homebridge plugins. Edit the Homebridge config.json with advanced JSON syntax checking and structure validation. Visual configuration for over 450 plugins (no manual config.json editing required) Monitors your Homebridge server via a fully customizable widget-based dashboard. View the Homebridge logs. View and control Homebridge accessories. Restart Homebridge. Backup and Restore your Homebridge instance and more. ...
    Downloads: 2 This Week
    Last Update:
    See Project
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