Showing 165 open source projects for "define"

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  • 1
    Ohm

    Ohm

    A library and language for building parsers, interpreters, compilers

    Ohm is a parsing toolkit consisting of a library and a domain-specific language. It allows developers to define grammars and build parsers, interpreters, and compilers with ease, facilitating language design and processing tasks.​
    Downloads: 0 This Week
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  • 2
    Prism

    Prism

    Lightweight, robust, elegant syntax highlighting

    Prism is a lightweight, extensible syntax highlighter, built with modern web standards in mind. It’s used in millions of websites, including some of those you visit daily.
    Downloads: 1 This Week
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  • 3
    OpenLayers

    OpenLayers

    A high-performance, feature-packed library for all your mapping needs

    OpenLayers makes it easy to put a dynamic map in any web page. It can display map tiles, vector data and markers loaded from any source. OpenLayers has been developed to further the use of geographic information of all kinds. It is completely free, Open Source JavaScript, released under the 2-clause BSD License (also known as the FreeBSD). Pull tiles from OSM, Bing, MapBox, Stamen, and any other XYZ source you can find. OGC mapping services and untiled layers also supported. Render vector...
    Downloads: 5 This Week
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  • 4
    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. Blockly plugins are self-contained pieces of code that add functionality to Blockly. Blockly codelabs...
    Downloads: 56 This Week
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  • 5
    Join Monster

    Join Monster

    A GraphQL to SQL query execution layer for query planning

    ...Join Monster is a tool built on top to add batch data fetching. You add some special properties along-side the schema definition that Join Monster knows to look for. The use of graphql-js does not change. You still define your types the same way. You can write resolve functions to manipulate the data from Join Monster, or incorporate data from elsewhere without breaking out of your "join-monsterized" schema.
    Downloads: 0 This Week
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  • 6
    Shoutem UI

    Shoutem UI

    Customizable set of components for React Native applications

    ...Each component has a predefined style that is compatible with the rest of the Shoutem UI, which makes it possible to build complex components that look great without the need to manually define complex styles. You can also use standard React Native components in your layouts anywhere you want, but they will not inherit either the theme or the parent styles, so you will need to style them manually. Shoutem UI is a part of the Shoutem UI Toolkit that enables you to build professional-looking React Native apps with ease.
    Downloads: 0 This Week
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  • 7
    socket.io

    socket.io

    Realtime application framework (Node.JS server)

    socket.io is a JavaScript library that allows for realtime, bi-directional communication between web clients and servers. It is composed of two parts: a Node.js server and a JavaScript client library that runs in the browser. socket.io is focused on both reliability and speed, delivering an immensely powerful, fast and yet easy to use realtime engine that’s used by just about everyone: from Microsoft Office and Zendesk to hackathon winners and small startups. It’s considered one of the...
    Downloads: 10 This Week
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  • 8
    AsyncAPI

    AsyncAPI

    Allows you to create machine-readable definitions of asynchronous APIs

    ...The AsyncAPI document allows people or machines communicating with one another to understand the capabilities of an event-driven API without requiring access to the source code, documentation, or inspecting the network traffic. It allows you to define your API structures and formats, including channels the end user can subscribe to and the message formats they receive. You can develop, validate, and convert the AsyncAPI document to the latest version or preview your AsyncAPI document in a more readable way using the AsyncAPI Studio.
    Downloads: 0 This Week
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  • 9
    Cropper.js

    Cropper.js

    JavaScript image cropper

    ...If you try to start cropper on a cross-origin image, please make sure that your browser supports HTML5 CORS settings attributes, and your image server supports the Access-Control-Allow-Origin option (see the HTTP access control (CORS)). You may set cropper options with new Cropper(image, options). If you want to change the global default options, You may use Cropper.setDefaults(options). Define the view mode of the cropper. If you set viewMode to 0, the crop box can extend outside the canvas, while a value of 1, 2, or 3 will restrict the crop box to the size of the canvas.
    Downloads: 9 This Week
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  • 10
    TypeChat

    TypeChat

    Library for building type-safe natural language interfaces with LLMs

    ...TypeChat addresses these challenges by replacing traditional prompt engineering with a concept called schema engineering. Instead of writing complex prompts, developers define types that represent the intents supported by their applications. It then uses those type definitions to construct prompts for language models and translate user input into structured data that follows the defined schema.
    Downloads: 6 This Week
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  • 11
    Easings.net

    Easings.net

    Easing Functions Cheat Sheet

    Easings .net is a visualization and reference project dedicated to easing functions, which are widely used in animations and transitions to create natural motion. Instead of linear changes, easing functions help define how values accelerate or decelerate over time, resulting in smoother and more dynamic effects. The project provides a clear, interactive showcase of common easing equations such as quadratic, cubic, quartic, and elastic functions. It is a valuable resource for developers and designers who want to understand and compare different easing behaviors before applying them to web animations, game mechanics, or UI interactions. ...
    Downloads: 2 This Week
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  • 12
    Cofounder

    Cofounder

    AI tool that generates full-stack web apps with generative UI systems

    ...Generated projects are stored locally and can be launched using standard development commands, allowing developers to run and modify the code that the system produces. Cofounder relies on configurable nodes and sequences that define how AI operations are executed.
    Downloads: 4 This Week
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  • 13
    a11y.css

    a11y.css

    This CSS file intends to warn developers about possible risks

    ...It only intends to show possible weaknesses. You should obviously do some manual check by hand to know whether the code should or should not be fixed. You can also use the form on the left sidebar to define the minimum level and language, in order to generate a custom bookmarklet. Then simply drag the green button to your bookmarks, and you're done! You're now able to use a11y.css on every page you visit by simply clicking on this bookmark.
    Downloads: 1 This Week
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  • 14
    morgan

    morgan

    HTTP request logger middleware for node.js

    ...This means that a requests will be logged even if the server crashes, but data from the response (like the response code, content length, etc.) cannot be logged. To define a token, simply invoke morgan.token() with the name and a callback function.
    Downloads: 1 This Week
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  • 15
    ALLWEONE

    ALLWEONE

    AI tool that generates custom presentations with real-time editing

    Presentation AI by ALLWEONE is an open source tool that uses artificial intelligence to generate complete slide decks from a simple prompt. It helps users create professional presentations quickly, with support for customizable themes, layouts, and styles. You can define slide count, language, and tone, then review or edit the AI-generated outline before finalising. Slides are built in real time, allowing you to watch content develop as the system works. Presentation AI by ALLWEONE includes image generation, rich text editing, and drag-and-drop functionality for easy adjustments. It also supports presentation mode, so you can present directly within the app. ...
    Downloads: 3 This Week
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  • 16
    Inbox Zero

    Inbox Zero

    AI assistant that automates email tasks to help achieve inbox zero

    ...It aims to reduce the time spent handling email by automatically organizing, prioritizing, and responding to messages using customizable automation rules and artificial intelligence. Users can define prompts or rule-based actions that guide how the assistant processes incoming messages, enabling automated workflows for sorting, replying, or handling routine communication. Inbox Zero is structured as a modern web application built with a monorepo architecture that contains multiple applications and shared packages, allowing modular development and easier maintenance. ...
    Downloads: 4 This Week
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  • 17
    Ruler AI

    Ruler AI

    Centralize and sync AI coding rules across tools and projects

    ...Instead of maintaining separate configuration files for tools like GitHub Copilot, Claude, or Cursor, it stores all rules in a single .ruler/ directory and distributes them automatically. This reduces duplication, avoids inconsistent outputs, and keeps guidance aligned as projects evolve. Ruler supports nested rule loading, allowing teams to define context-specific instructions for different parts of a codebase. It also manages MCP server settings, automates .gitignore updates, and provides simple commands to initialize, apply, and revert configurations. Designed for teams using multiple AI agents, it improves workflow consistency, simplifies onboarding, and ensures all assistants follow the same standards across projects.
    Downloads: 1 This Week
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  • 18
    AG2

    AG2

    Framework for building and orchestrating multi-agent AI systems

    AG2 is an open source framework designed to support the creation and coordination of multiple AI agents working together to solve complex tasks. It provides abstractions that allow developers to define agents with distinct roles, responsibilities, and communication patterns, enabling collaborative problem-solving workflows. AG2 focuses on making multi-agent systems more accessible by simplifying how agents are configured, connected, and executed. It includes mechanisms for agent-to-agent interaction, task delegation, and iterative reasoning, which are essential for building advanced AI-driven applications. ...
    Downloads: 1 This Week
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  • 19
    Mocha

    Mocha

    A feature-rich JavaScript test framework running on Node.js

    ...Mocha is the most-depended-upon module on npm and Mocha is an independent open-source project, maintained exclusively by volunteers. Given Mocha’s use of function expressions to define suites and test cases, it’s straightforward to generate your tests dynamically. No special syntax is required — plain ol’ JavaScript can be used to achieve functionality similar to “parameterized” tests, which you may have seen in other frameworks.
    Downloads: 1 This Week
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  • 20
    Ralph Wiggum Marketer

    Ralph Wiggum Marketer

    A Claude Code Plugin that provides an autonomous AI copywriter

    ...It leverages the Ralph Wiggum loop concept — a continuous iteration pattern named after the iconic character that symbolizes persistent, repeated refinement — to let Claude Code keep iterating on content until predefined completion criteria are met, rather than stopping after a single output. This plugin integrates with Claude Code workflows so that marketers or product teams can define high-level goals, seed their product or service context, and then have the AI autonomously draft, refine, and polish marketing materials with minimal human intervention.
    Downloads: 0 This Week
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  • 21

    Polymer

    A Web Component library

    ...Polymer can be particularly useful when building UI components. Instead of having to constantly rebuild components such as a specific navigation bar or button in different frameworks and for different projects, simply define this component once with Polymer, and you can use it again and again in your future projects. Because Polymer is built on top of the web standards-based Web Components APIs, custom HTML elements made from it are built totally from the platform up and are interoperable across frameworks. Polymer also works across all major browsers.
    Downloads: 0 This Week
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  • 22
    Google Style Guides

    Google Style Guides

    Style guides for Google-originated open source projects

    Google Styleguide is a comprehensive collection of coding style guides created and maintained by Google to ensure consistency, readability, and maintainability across its vast array of software projects. These guides define best practices and conventions for writing code in multiple programming languages, from C++ and Python to JavaScript, Go, and Swift. By adhering to these standards, developers can more easily collaborate, review code, and maintain high-quality software across teams and open source contributions. Each guide covers a wide range of topics, including naming conventions, file organization, indentation, documentation, and usage of specific language features. ...
    Downloads: 3 This Week
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  • 23
    Dgrm.net

    Dgrm.net

    Flowchart editor

    ...It provides developers with tools to build flowcharts, graphs, and structured visual layouts using a flexible and extensible API. The library focuses on simplicity, allowing users to define nodes, edges, and relationships without requiring complex setup or dependencies. It supports dynamic updates, enabling diagrams to respond to user interactions or data changes in real time. The system is particularly useful for applications that require visual modeling, such as workflow editors, architecture diagrams, or educational tools. ...
    Downloads: 0 This Week
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  • 24
    Reagent

    Reagent

    A minimalistic ClojureScript interface to React.js

    Reagent is a minimalistic ClojureScript interface to React that enables developers to write efficient React components using plain ClojureScript functions and data, leveraging a Hiccup-like syntax and immutable state to simplify UI creation. React is pretty darn fast, and so is Reagent. It should even be faster than plain old javascript React a lot of the time, since ClojureScript allows us to skip a lot of unnecessary rendering (through judicious use of React's shouldComponentUpdate). The...
    Downloads: 0 This Week
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  • 25
    Kener

    Kener

    Kener is a Modern Self hosted Status Page, batteries included

    Kener: Open-source Node.js status page tool, designed to make service monitoring and incident handling a breeze. It offers a sleek and user-friendly interface that simplifies tracking service outages and improves how we communicate during incidents. And the best part? Kener integrates seamlessly with GitHub, making incident management a team effort—making it easier for us to track and fix issues together in a collaborative and friendly environment.
    Downloads: 0 This Week
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