Showing 173 open source projects for "define"

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    Build Agents and Models on One Platform

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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: 0 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: 4 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: 50 This Week
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  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

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  • 5
    Jesse

    Jesse

    An advanced crypto trading bot written in Python

    Jesse is an open-source AI agent framework designed to help developers build and orchestrate intelligent workflows that combine large language models (LLMs) with external tools, automation logic, and real-world actions. It acts as an agent manager where you can define tasks, contexts, and tool integrations so that AI reasoning is reliably connected to deterministic procedures like API calls, data retrieval, and task execution. Jesse emphasizes structured outputs, safety boundaries, and explainable reasoning, helping users design agents that don’t just hallucinate responses but can coordinate steps, validate conditions, and interact with systems predictably. ...
    Downloads: 23 This Week
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  • 6
    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: 14 This Week
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  • 7
    TavernAI

    TavernAI

    Atmospheric adventure chat for AI language models

    ...It allows users to connect to various AI backends, including local and cloud-based models, enabling flexibility in how conversations are generated and managed. The platform supports advanced character creation, allowing users to define personalities, memory, and behavior patterns that influence how the AI responds during interactions. TavernAI includes features such as persistent chat histories, branching conversations, and contextual memory, making it suitable for long-form storytelling, roleplaying, and creative writing. It also provides a rich interface with support for extensions and plugins, enabling users to expand functionality and tailor the experience to specific use cases.
    Downloads: 5 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
    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: 5 This Week
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  • 10
    Bowser

    Bowser

    Bowser is a browser detector

    ...You could want to filter some particular browsers to provide any special support for them or make any workarounds. Settings for any particular OS or platform has more priority and redefines settings of standalone browsers. Thus, you can define OS or platform-specific rules and they will have more priority in the end. More of API and possibilities you will find in the docs folder.
    Downloads: 3 This Week
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  • 11
    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: 2 This Week
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  • 12
    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: 1 This Week
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  • 13
    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: 1 This Week
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  • 14
    Configure your Node.js Applications

    Configure your Node.js Applications

    Node.js application configuration

    Node-config organizes hierarchical configurations for your app deployments. It lets you define a set of default parameters, and extend them for different deployment environments (development, qa, staging, production, etc.). Configurations are stored in configuration files within your application, and can be overridden and extended by environment variables, command line parameters, or external sources. This gives your application a consistent configuration interface shared among a growing list of npm modules also using node-config. config.get() will throw an exception for undefined keys to help catch typos and missing values. ...
    Downloads: 1 This Week
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  • 15
    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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  • 16
    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: 2 This Week
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  • 17
    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: 2 This Week
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  • 18
    fx

    fx

    Command-line tool and terminal JSON viewer

    ...You can pass any number of anonymous functions for reducing JSON. fx provides a function save which will save everything in place and return saved object. This function can be only used with filename as first argument to fx command. Create .fxrc file in $HOME directory, and require any packages or define global functions. To be able require global modules make sure you have correct NODE_PATH env variable. If you need output other than JSON (for example arguments for xargs), do not return anything from the reducer. undefined value is printed into stderr by default. Sometimes it is necessary to omit some messages in JSON stream, or select only specified log messages. ...
    Downloads: 1 This Week
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  • 19
    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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  • 20

    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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  • 21
    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: 2 This Week
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  • 22
    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: 1 This Week
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  • 23
    annyang!

    annyang!

    Speech recognition for your site

    ...Use named variables for one word arguments in your command. Use splats to capture multi-word text at the end of your command (greedy). Use optional words or phrases to define a part of the command as optional. annyang plays nicely with all browsers, progressively enhancing browsers that support SpeechRecognition, while leaving users with older browsers unaffected. Grab the latest version of annyang.min.js, drop it in your html, and start adding commands. You can easily add a GUI for the user to interact with Speech Recognition using Speech KITT. ...
    Downloads: 1 This Week
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  • 24
    sharer.js

    sharer.js

    Create your own social share buttons. No jquery. Just vanilla JS

    Sharer.js is a lightweight vanilla JavaScript library for creating custom social sharing controls on website elements. It works without jQuery, frameworks, or external runtime dependencies. Developers configure each control through HTML data attributes that define the service, URL, title, popup size, and other platform-specific values. The library supports more than 20 social networks, messaging services, blogging platforms, and bookmarking tools. It can open sharing popups, behave as a regular link, or launch links in a new browser tab. Sharer.js is available through npm, downloadable minified files, and public CDNs. ...
    Downloads: 0 This Week
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  • 25
    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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