Browse free open source JavaScript Frameworks and projects below. Use the toggles on the left to filter open source JavaScript Frameworks by OS, license, language, programming language, and project status.

  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

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  • Paessler - Monitor Your Whole Network in Minutes Icon
    Paessler - Monitor Your Whole Network in Minutes

    Auto-discovery finds your devices and deploys pre-configured sensors instantly. No project plan required, just visibility from day one.

    Waiting weeks for a monitoring rollout isn't an option when infrastructure doesn't stop running. PRTG's auto-discovery scans your network and suggests from over 200 pre-configured sensor types, so you're watching servers, applications and devices within minutes, not after a multi-week deployment. Enterprise-strength monitoring, without the enterprise complexity. Start your free trial today.
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  • 1
    Allows editing of any size file in hexadecimal, decimal and ASCII. A great tool that allows you to edit and analyze the contents for either the data or resource fork of any type of file. 68K, PPC and Carbon run on MacOS 7-9 and X.
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    Downloads: 101 This Week
    Last Update:
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  • 2
    Highly Modular CMS framework includes: Wiki, Articles / News, phpBB Forum Bulletin Board, Blogs, Image Photo Gallery, ... includes TikiWiki upgrader. Databases supported: MySQL, Postgres, Oracle, Firebird, IIS/MS-SQL for PHP on Windows or Linux.
    Downloads: 50 This Week
    Last Update:
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  • 3
    XOOPS Web Application System

    XOOPS Web Application System

    The world's leading content management systems (CMS) written in PHP

    PLEASE NOTE: Latest XOOPS files are on http://github.com/xoops and http://github.com/xoopsmodules25x) XOOPS is a Web application platform written in PHP for the MySQL database. Its object orientation makes it an ideal tool for developing small or large community websites, intra-company and corporate portals, weblogs, and much more. XOOPS is an acronym of eXtensible Object Oriented Portal System. Initially a portal system, XOOPS is now a leading content management system (CMS) that serves as a versatile Web framework. XOOPS can also be used as a weblog or journal via a standard install using the News module alone. Another approach is to use modules like News, Forum, Download, Web Links, etc. to form a community that interacts with members and visitors. Or think big, like an enterprise, and develop modules to use with eShop that integrate into XOOP's uniform user management system. XOOPS is released under the terms of the GNU General Public License (GPL)
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    Downloads: 34 This Week
    Last Update:
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  • 4
    ZK - Simply Ajax and Mobile
    ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.
    Downloads: 20 This Week
    Last Update:
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  • Build Data Resilience - Take the Assessment Today Icon
    Build Data Resilience - Take the Assessment Today

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  • 5
    pH7 Social Dating CMS (pH7Builder)❤️

    pH7 Social Dating CMS (pH7Builder)❤️

    🚀 Professional Social Dating Web App Builder (formerly pH7CMS)

    pH7Builder is a Professional, Free & Open Source PHP Social Dating Builder Software (primarily designed for developers ...). This Social Dating Web App is fully coded in object-oriented PHP (OOP) with the MVC pattern (Model-View-Controller). It is low resource-intensive, extremely powerful and highly secure. pH7Builder is included with over 42 native modules and is based on its homemade pH7 Framework which includes more than 52 packages To summarize, pH7Builder Social Dating Script gives you the perfect ingredients to create the best dating web app or social networking site on the World Wide Web! -- Get Involved! -- If you want to work on an Innovative Open Source Social/Dating Software Project with a Beautiful PHP Code using the latest PHP Features while collaborating with nice people and finally if you love the "Social" and "Dating" Services, ...you HAVE TO DO IT! - Fork the repo http://github.com/pH7Software/pH7-Social-Dating-CMS
    Downloads: 21 This Week
    Last Update:
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  • 6
    ipmems

    ipmems

    Real-time data acquisition and visualization software

    Cross-platform data acquisition and visualization software with an embedded HTTP-server, binary protocol parsing library, protocol emulation server, remote secure administration server, embedded Groovy scripting facilities and HMI (SCADA) visualization module.
    Downloads: 39 This Week
    Last Update:
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  • 7
    ImpressCMS

    ImpressCMS

    Make a lasting impression!

    Community websites can be difficult to maintain and a target for hackers. But, not with ImpressCMS behind it. Started in 2007 by a talented and committed group of developers and designers unhappy with the progress of the projects they were working on, ImpressCMS continues to lead in providing secure, easy to build and maintain community websites. ImpressCMS is built using PHP and MySQL, and employs JavaScript and Smarty and is optimized for performance - on even shared hosts. Secure. Easy. Open. Friendly.
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    Downloads: 11 This Week
    Last Update:
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  • 8
    Neiki's Gallery

    Neiki's Gallery

    Vanilla JavaScript image gallery & lightbox

    Neiki's Gallery is a lightweight, production-ready image gallery and lightbox library built with vanilla JavaScript and CSS. It requires no dependencies and can be integrated with a single <script> tag, with automatic initialization out of the box. It provides a highly customizable experience for modern web projects, combining performance, flexibility, and rich UI interactions. Designed for both developers and end users, it supports responsive layouts, advanced lightbox features, touch and keyboard navigation, lazy loading, and seamless media handling including images and video. The library is modular and extensible, offering plugins, event hooks, and deep customization through JavaScript or HTML data attributes. It is optimized for performance, accessibility, and large-scale galleries while maintaining smooth animations and a modern visual style.
    Downloads: 16 This Week
    Last Update:
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  • 9
    ZenTaoPHP is a php framework. Main features are: 1. OOP(php>5.2) 2. full mvc support. 3. very lightweight, only 4 files for core. 4. High performance. 5. Neutral naming, no zentao in the code naming. 6. Reasonably structured. 7. Easy to start.
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    Downloads: 13 This Week
    Last Update:
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  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

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  • 10
    The AJAX JSP Tag Library is a set of JSP tags that simplify the use of Asynchronous JavaScript and XML (AJAX) technology in JavaServer Pages. Development moved to Mercurial
    Downloads: 5 This Week
    Last Update:
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  • 11
    Smith is an open source, cross-platform ColdFusion® engine, written entirely in Java. Running on top of Java Runtime Environment and Java Servlet Container, it can be deployed virtually on any operating system and work with any web server.
    Downloads: 4 This Week
    Last Update:
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  • 12
    Polyglot Formatter

    Polyglot Formatter

    Multi-language code formatter with automatic language detection

    Polyglot Formatter is a lightweight browser-based code beautifier that automatically detects and formats HTML, CSS, JavaScript, PHP, and JSON. Designed for developers, it provides instant code cleanup and readability improvements without requiring a server, build process, or account. Everything runs locally in the browser for maximum privacy and convenience. The formatter supports mixed-language files, nested code blocks, configurable indentation, line wrapping, syntax highlighting, and post-format validation. With a modern editor interface, responsive design, and one-click clipboard integration, it is ideal for quickly cleaning up source code, debugging formatting issues, and improving code consistency across multiple languages.
    Downloads: 4 This Week
    Last Update:
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  • 13
    JavaScript Optimizer is a technical component designed to organize Web resources (JavaScript files, CSS) on the server side and to optimize (compression, merge and versioning) their delivery to the client's browser.
    Downloads: 2 This Week
    Last Update:
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  • 14
    Neiki's Cookie Banner

    Neiki's Cookie Banner

    Lightweight, dependency-free cookie consent banner (GDPR/ePrivacy compliant) in vanilla JS. Fully customizable and accessible.

    Neiki's Cookie Banner is a lightweight, drop-in cookie consent solution for any website that needs to comply with GDPR, ePrivacy, and similar privacy regulations — without dragging in a heavy third-party SDK or tying your site to a paid SaaS. It is built from the ground up in vanilla JavaScript with zero dependencies, so it works on any stack — from a static HTML page to a WordPress theme, Laravel app, Next.js site, or anything in between. Drop in one file and you have a fully functional, accessible, themeable consent banner in under a minute.
    Downloads: 3 This Week
    Last Update:
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  • 15
    ExtPascal FastCGI DHTML Forms'  Server

    ExtPascal FastCGI DHTML Forms' Server

    Create a fast ExtJS compiled fastcgi server

    ExtJS server sources for Lazarus Free Pascal on GNU LGPL license. After sharing my Lazarus upgrade, italians reviewed and shared it again. From my bitbucket.org/matthieugiroux account. Ext Pascal actually uses Ext JS 3.2.1 and Lazarus 1.6 or 1.8 RC5.
    Downloads: 2 This Week
    Last Update:
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  • 16
    Lisha

    Lisha

    web LISt HAndle using query

    Display a query result into a custom list with main features ( multi sort, hide/show, advanced filter )
    Downloads: 2 This Week
    Last Update:
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  • 17
    MagicTree

    MagicTree

    Html Tree of Database table

    Display Html tree of database table content with full features ( Display, modify, move node, rename, delete, display icon, add more column if needed and so on.. ) Support Localization and additional features
    Downloads: 2 This Week
    Last Update:
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  • 18
    Oberon PLM
    Oberon PLM is a Web based PLM/PDM, built on Oberon framework that facilitate its customization. Oberon PLM integrates people, data, processes, and business systems and provides a product information backbone for companies and their extended enterprise.
    Downloads: 2 This Week
    Last Update:
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  • 19
    Emutils

    Emutils

    Search and manage batches of D64/etc files.

    Emutils are a collection of utilities for dealing with files which are in formats most commonly used by Commodore 64 emulators (D64, D71, D81, etc). These include search tools, extractors, converters, archive tools, etc. especially for batch operations.
    Downloads: 1 This Week
    Last Update:
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  • 20
    The Struts/SourceForge site hosts sample applications and related components based on the Apache Struts Web application framework. Disclaimer: This site is not affiliated with the Apache Software Foundation.
    Downloads: 1 This Week
    Last Update:
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  • 21
    iWiccle - Website CMS Community Builder
    iWiccle is an online Web 2.0 platform. innovative builders specializing in social networks, blogging sites, web communities, gallery presentations, link directories, & article portals. A universal web community script written in PHP & MySQL. New v1.3
    Downloads: 1 This Week
    Last Update:
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  • 22

    4WS Warp

    Development of extjs based rich web applications

    Warp is an open source framework that can be used to develop Java based applications, using Java and JEE5. It allows to develop Desktop Applications or 3 Tier Applications based on Swing extensions or Rich web applications based on ExtJS and JAX-RS (Restful web services). Business logic and data access tiers can be developed using JPA or JDBC and EJB 3 or any other Java based technology.
    Downloads: 1 This Week
    Last Update:
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  • 23
    CodeWP Local
    CodeWP Local is a desktop application that allows you to run WordPress, Laravel 13, and PHP-based websites locally on your Windows machine — no technical expertise required. It comes bundled with everything you need: Nginx, PHP 8.3/8.4, MariaDB, and phpMyAdmin — all managed through a clean, modern interface.
    Downloads: 1 This Week
    Last Update:
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  • 24
    Eggdrop
    Eggdrop is the most advanced IRC robot available. It has been under development since December 1993, and unlike most other bots, it is still regularly updated.
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    Downloads: 1 This Week
    Last Update:
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  • 25

    Elements AJAX Web Framework

    An object oriented event driven fully AJAX web application framework

    Developed by Neuronworks Indonesia, Elements integrates Javascript and PHP into one powerful object oriented web application framework. Built above the already popular JQuery Javascript library, Elements provides a components based GUI, event driven scripting, and easily integrates GUI and back-end services.
    Downloads: 1 This Week
    Last Update:
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