Open Source JavaScript Software Development Software - Page 9

JavaScript Software Development Software

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

  • The most trusted software in construction Icon
    The most trusted software in construction

    HCSS is the gold standard software solution for winning, planning, and managing construction projects by connecting the office to the field.

    HCSS provides easy-to-use software built for construction companies that want to win more work, work smarter, and boost profits. For nearly 40 years, we've helped heavy civil contractors, infrastructure builders, and utility companies improve operations, from estimating and project management to field tracking, equipment maintenance, and safety. Tools like HeavyBid, HeavyJob, and HCSS Safety are built for the field and designed to work together, giving your team real-time visibility, tighter cost control, and better job outcomes. With 45+ accounting integrations and customizable APIs, HCSS fits seamlessly into your tech stack. We regularly update our software based on feedback from real crews, ensuring it fits the way your team works. Backed by award-winning 24/7/365 support and a proven implementation process, HCSS helps reduce risk, cut inefficiencies, and deliver fast ROI. If you're ready to grow your business and gain a competitive edge, HCSS is the partner that gets you there.
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  • OpenMetal is an automated bare metal and on-demand private cloud provider. Icon
    OpenMetal is an automated bare metal and on-demand private cloud provider.

    Large Scale. Cloud Native. Fixed Costs.

    OpenMetal is an automated bare metal and on-demand private cloud provider. Our mission is to empower your team with cost effective private infrastructure that outperforms traditional public cloud.
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  • 1
    EventEmitter3

    EventEmitter3

    Because there's also a number 2. And we're faster

    EventEmitter3 is a high-performance event emitter for Node.js and the browser, providing a lightweight and efficient solution for managing events and event listeners in JavaScript applications.
    Downloads: 8 This Week
    Last Update:
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  • 2
    Flatbush

    Flatbush

    A very fast static spatial index for 2D points and rectangles in JS

    A really fast static spatial index for 2D points and rectangles in JavaScript. An efficient implementation of the packed Hilbert R-tree algorithm. Enables fast spatial queries on a very large number of objects (e.g. millions), which is very useful in maps, data visualizations and computational geometry algorithms.
    Downloads: 8 This Week
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  • 3
    Form-Data

    Form-Data

    A module to create readable `"multipart/form-data"` streams

    A library to create readable "multipart/form-data" streams. Can be used to submit forms and file uploads to other web applications.
    Downloads: 8 This Week
    Last Update:
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  • 4
    Gloria

    Gloria

    Gloria is a static website generator, based on NodeJS

    V2 is deprecating lots of old functions, make sure to read the migrating docs. We're also slowly moving into typescript, and while I think it should work very well for your projects, legally I need to remind you that this is a satire of other projects. It currently supports having a content management system using MD files and tailwind CSS, with some bugs, but the main functionality and philosophy have been accomplished. This project aims to be a substitute for Jekyll, to help you create static websites without depending on Ruby. Because of its ease of use, extensibility, and support for md files, is also great for creating websites out of documentation that lives in a source code.
    Downloads: 8 This Week
    Last Update:
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  • Business password and access manager solution for IT security teams Icon
    Business password and access manager solution for IT security teams

    Simplify Access, Secure Your Business

    European businesses use Uniqkey to simplify password management, reclaim IT control and reduce password-based cyber risk. All in one super easy-to-use tool.
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  • 5
    Golden Layout

    Golden Layout

    A multi window layout manager for webapps

    Golden Layout is a JavaScript layout manager designed for building complex, multi-panel web applications with draggable and resizable components. It enables developers to arrange UI elements into flexible layouts that can be dynamically reconfigured by users through drag-and-drop interactions. The system is particularly useful for dashboards, IDE-like interfaces, and data-heavy applications where multiple panels need to coexist and be rearranged. Golden Layout manages component positioning, visibility, and resizing through a structured layout tree, allowing precise control over how elements are displayed. It also supports saving and restoring layouts, enabling persistence of user configurations across sessions. The library integrates with popular frontend frameworks such as Angular and Vue, and includes support for virtual components to bridge framework-specific rendering models.
    Downloads: 8 This Week
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  • 6
    Greenkeeper

    Greenkeeper

    Real-time automated dependency updates for npm and GitHub

    Greenkeeper is a dependency management tool that automatically monitors and updates dependencies in JavaScript projects. It helps developers keep their projects up to date by notifying them when new versions of dependencies are available.
    Downloads: 8 This Week
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  • 7
    HeyUI.ext

    HeyUI.ext

    UI Toolkit for Web, Vue3.0

    HeyUI.ext is a comprehensive UI component library built for Vue.js that provides a wide range of reusable components and tools for developing modern web applications with efficiency and consistency. Designed as a full UI toolkit rather than a minimal component set, it includes elements for forms, tables, modals, navigation, and data handling, making it suitable for building complex interfaces such as dashboards and admin panels. The library emphasizes simplicity and speed, allowing developers to quickly assemble functional interfaces while maintaining scalability as projects grow. It supports modern development workflows through npm installation as well as CDN usage, enabling both lightweight experimentation and full-scale application integration. HeyUI also includes features such as validation, internationalization, and advanced components like trees, selectors, and date pickers, which help streamline common frontend tasks.
    Downloads: 8 This Week
    Last Update:
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  • 8
    Hotkeys JS

    Hotkeys JS

    A robust Javascript library for capturing keyboard input

    hotkeys-js is a tiny, framework-agnostic library for binding keyboard shortcuts in the browser, from simple key presses to complex combos and sequences. It provides a declarative API to register handlers like ctrl+k, shift+alt+p, or g g, and it normalizes key behavior across major browsers. The library includes scoping, so the same shortcut can trigger different actions depending on page context, and it offers filters to ignore inputs when the user is typing in form fields. You can enable or disable groups of shortcuts dynamically, making it well suited for SPAs and dashboard apps. Because it has no external dependencies and a small footprint, it drops easily into existing codebases. Its focus on developer ergonomics makes defining, managing, and cleaning up shortcuts straightforward.
    Downloads: 8 This Week
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  • 9
    Hubot

    Hubot

    A customizable life embetterment robot

    Hubot is a framework to build a custom chat bot, first built by GitHub, Inc. to automate their company chat room. Hubot gives you a very nice base for building your very own robot friend. Hubot comes with a small group of core scripts, including things like posting images, translating languages, and integrating with Google Maps. It's extendable with many other scripts, which make Hubot all the more personalized to fit your organization's needs and culture. Hubot can work on many different chat services, including third-party adapters Gitter, IRC, Slack and more. Build your own personalized chat bot with Hubot!
    Downloads: 8 This Week
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  • A warehouse and inventory management software that scales with your business. Icon
    A warehouse and inventory management software that scales with your business.

    For leading 3PLs and high-volume brands searching for an advanced WMS

    Logiwa is a leader in cloud-native fulfillment technology, revolutionizing high-volume fulfillment for third-party logistics (3PLs), B2B and B2C fulfillment networks, and direct-to-consumer brands. Our flagship product, Logiwa IO, is an advanced Fulfillment Management System (FMS) designed to scale operations in the digital era. Logiwa elevates digital warehousing to new heights, ensuring dynamic and efficient fulfillment processes. Our commitment to AI-driven technology, combined with a focus on customer-centricity, equips businesses to adeptly navigate and excel in rapidly changing market landscapes. Discover the future of smart fulfillment and how you can fulfill brilliantly with Logiwa IO.
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  • 10
    KafkaJS

    KafkaJS

    A modern Apache Kafka client for node.js

    KafkaJS is a modern Apache Kafka client for Node.js, designed to be simple, reliable, and fully featured, supporting the latest Kafka features.
    Downloads: 8 This Week
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  • 11
    Kitematic

    Kitematic

    Visual Docker Container Management on Mac & Windows

    Kitematic is a simple yet powerful application for managing Docker containers on Mac and Windows. It has a new Docker Desktop Dashboard for an even better user experience, with Docker Hub integration and plenty of advanced features.
    Downloads: 8 This Week
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  • 12
    Lebab

    Lebab

    Turn your ES5 code into readable ES6

    Turn your ES5 code into readable ES6. Lebab does the opposite of what Babel does. Lebab transpiles your ES5 code to ES6/ES7. It does exactly the opposite of what Babel does. Convert your old-fashioned code using the lebab cli tool, enabling a specific transformation. The recommended way of using Lebab is to apply one transform at a time, read what exactly the transform does and what are its limitations, apply it to your code and inspect the diff carefully. Transforms can be applied with relatively high confidence. They use pretty straightforward and strict rules for changing the code. The resulting code should be almost 100% equivalent to the original code. Transforms should be applied with caution. They either use heuristics that can't guarantee that the resulting code is equivalent of the original code, or they have significant bugs which can result in breaking your code.
    Downloads: 8 This Week
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  • 13
    Oat UI

    Oat UI

    Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library

    Oat is an ultra-lightweight front-end UI library designed to automatically style semantic HTML using minimal CSS and JavaScript with zero external dependencies. The project focuses on simplicity and performance, allowing developers to create clean, modern interfaces without relying on heavy frameworks or complex build systems. Oat works by applying sensible default styling directly to standard HTML elements, meaning developers can achieve polished layouts with little to no custom classes. Its small footprint makes it especially attractive for static sites, documentation, prototypes, and low-overhead web applications. The library can be installed via npm, CDN, or direct download, making it flexible across different development workflows. Overall, Oat prioritizes minimalism, speed, and developer ergonomics for teams that want attractive UI results with extremely low complexity.
    Downloads: 8 This Week
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  • 14
    Phalcon Devtools

    Phalcon Devtools

    Phalcon Developer Tools

    These tools help you to generate skeleton code, maintain your database structure, and helps to speed up development. Core components of your application can be generated with a simple command, allowing you to easily develop applications using Phalcon.
    Downloads: 8 This Week
    Last Update:
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  • 15
    Pico.css

    Pico.css

    Minimal CSS Framework for semantic HTML

    Minimal CSS Framework for semantic HTML. Elegant styles for all native HTML elements without .classes and dark mode automatically enabled. Pico uses simple native HTML tags as much as possible. Less than 10 .classes are used in Pico. No dependencies, package manager, external files, or JavaScript. Elegant and consistent adaptive spacings and typography on all devices. Shipped with two beautiful color themes, automatically enabled according to the user preference. We use simple native HTML tags as much as possible. Less than 10 .classes are used in Pico. No dependencies, package manager, external files, or JavaScript. Elegant and consistent adaptive spacings and typography on all devices. Shipped with two beautiful color themes, automatically enabled according to the user preference. A classic company or blog layout with a sidebar. A simple layout for Google Amp, with inlined CSS.
    Downloads: 8 This Week
    Last Update:
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  • 16
    Playwright for .NET

    Playwright for .NET

    .NET version of the Playwright testing and automation library

    Playwright for .NET is the official language port of Playwright, the library to automate Chromium, Firefox and WebKit with a single API. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast. Cross-browser. Playwright supports all modern rendering engines including Chromium, WebKit, and Firefox. Cross-platform. Test on Windows, Linux, and macOS, locally or on CI, headless or headed. Cross-language. Use the Playwright API in TypeScript, JavaScript, Python, .NET, Java. Test Mobile Web. Native mobile emulation of Google Chrome for Android and Mobile Safari. The same rendering engine works on your Desktop and in the Cloud. Auto-wait. Playwright waits for elements to be actionable prior to performing actions. It also has a rich set of introspection events. The combination of the two eliminates the need for artificial timeouts - the primary cause of flaky tests.
    Downloads: 8 This Week
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  • 17
    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. PostCSS currently has over 200 plugins, and is being used by industry leaders worldwide.
    Downloads: 8 This Week
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  • 18
    RapiDoc

    RapiDoc

    RapiDoc - Custom-Element for OpenAPI Spec

    Free of any frameworks, setups, configs, build steps or packaging. Can be used with any framework or just with vanilla javascript. Use It just like any other HTML Tag, Change its attribute using JavaScript and see it react to those changes. Basic knowledge of HTML is all that's required. Style it to your heart's content. Change font, logo, colors and theme. Inject external HTML or embed into another HTML document. Minimal dependencies, no runtime, and no virtual DOM ensure the lowest memory consumption, Just native and raw speed of the modern browsers. Loved by tech writers, designers, dev-ops, testers and developers alike, due to its simplicity, interoperability, and powerful features. No special build steps, runtime, or framework required. Comes with built-in the console to Try out the APIs. Supports authentication mechanism. No validation ensures you can test negative cases.
    Downloads: 8 This Week
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  • 19
    React Localize Redux

    React Localize Redux

    Dead simple localization for your React components

    Localization library for handling translations in React.
    Downloads: 8 This Week
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  • 20
    Salesforce Lightning Design System

    Salesforce Lightning Design System

    Salesforce Lightning design system

    Ready-to-use HTML and CSS UI elements provide the foundation for Salesforce experience development. Visual design values and attributes that ensure branding and UI consistency at scale. Design principles and best practices that guide beautiful, consistent, user-friendly product experiences. Easy-to-use tools help all Trailblazers optimize workflows and bring Salesforce ideas to life. Start building immediately, without worrying about detailed specs. SLDS lets you focus on the big picture to deliver the best possible user experience. Manage design at scale, with a living design system that evolves as needs change. SLDS keeps apps, interfaces, and tools consistent no matter how fast the system grows. SLDS saves time and energy, freeing designers and developers to focus on larger issues of usability and meaning. Standardized, reusable components support collaboration, reinforce branding, and provide a consistent look and user experience.
    Downloads: 8 This Week
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  • 21
    Sequelize

    Sequelize

    A promise-based multi SQL dialect Node.js ORM

    Sequelize is a promise-based Node.js ORM for Postgres, MySQL, MariaDB, SQLite and Microsoft SQL Server. It features solid transaction support, relations, eager and lazy loading, read replication and more. Sequelize follows SEMVER. Supports Node v6 and above to use ES6 features. Sequelize v5 was released on March 13, 2019. Official TypeScript typings are now included. Sequelize can be used since the beginning in order to automate the creation of every table in your database. Models are the essence of Sequelize. A model is an abstraction that represents a table in your database. In Sequelize, it is a class that extends Model. The model tells Sequelize several things about the entity it represents, such as the name of the table in the database and which columns it has (and their data types).
    Downloads: 8 This Week
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  • 22
    Serverless Express by Vendia

    Serverless Express by Vendia

    Run Node.js web applications and APIs using existing frameworks

    Run REST APIs and other web applications using your existing Node.js application framework (Express, Koa, Hapi, Sails, etc.), on top of AWS Lambda and Amazon API Gateway. Vendia is the real-time data cloud for rapidly building applications that securely share data across departments, companies, clouds, and regions. We’re excited to announce the latest release of Vendia Share! This release includes new features like smart contracts, user-level transactions, the beta release of Azure support, and more. We also added a pay-as-you-go pricing plan that gives developers from organizations of any size access to Vendia's enterprise-grade platform for building data-driven, multi-party, cross-cloud apps. If you want to migrate an existing application to AWS Lambda, it's advised to get the minimal example up and running first, and then copy your application source in.
    Downloads: 8 This Week
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  • 23
    SuperTest

    SuperTest

    Super-agent driven library for testing node.js HTTP servers

    A super-agent driven library for testing node.js HTTP servers using a fluent API. The motivation with this module is to provide a high-level abstraction for testing HTTP, while still allowing you to drop down to the lower-level API provided by superagent. Install SuperTest as an npm module and save it to your package.json file as a development dependency. You may pass an http.Server, or a Function to request(), if the server is not already listening for connections then it is bound to an ephemeral port for you so there is no need to keep track of ports. One thing to note, is that superagent now sends any HTTP error (anything other than a 2XX response code) to the callback as the first argument if you do not add a status code expect (i.e. .expect(302)). Expectations are run in the order of definition. This characteristic can be used to modify the response body or headers before executing an assertion.
    Downloads: 8 This Week
    Last Update:
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  • 24
    Victory

    Victory

    React components for building interactive data visualizations

    Victory is a set of modular charting components for React and React Native. Victory makes it easy to get started without sacrificing flexibility. Create one of a kind data visualizations with fully customizable styles and behaviors. Victory uses the same API for web and React Native applications for easy cross-platform charting. Victory is used for charting across the web, from publicly-consumed informational graphs to internal tracking and reporting. Victory is an opinionated, but fully overridable, ecosystem of composable React components. Check out the docs to see how you can get started building interactive data visualizations. Fully contained, reusable data visualization elements are responsible for their own styles and behaviors. Extend the Victory experience on Android and iOS platforms with an identical API.
    Downloads: 8 This Week
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  • 25
    WTFJS

    WTFJS

    A list of funny and tricky JavaScript examples

    WTFJS is a curated collection of JavaScript “gotchas” and puzzling examples that reveal surprising corners of the language. Each entry presents a small snippet, explains why the behavior occurs, and ties it back to the specification or engine rules. The repository covers coercion quirks, edge-case comparisons, floating-point oddities, prototype traps, and scoping pitfalls, among others. It’s designed as both a fun read and a serious learning aid, helping developers build an intuition for how JavaScript evaluates expressions. By highlighting common misconceptions, it encourages safer coding patterns and more reliable mental models. Teachers, interviewers, and learners use it to spark discussion and deepen understanding of JavaScript’s semantics.
    Downloads: 8 This Week
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