Open Source JavaScript Software Development Software - Page 81
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JavaScript Software Development Software
View 6319 business solutionsBrowse 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.
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$300 Free Credits to Build on Google CloudPut your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
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PRTG Catches Network Issues Before They Cause DowntimeReactive troubleshooting usually means hearing about a problem from frustrated users, not your monitoring tool. PRTG sets threshold-based alerts across devices, servers and applications, notifying your team by email, SMS or push the moment a metric crosses a set limit. That means catching a failing disk or overloaded server before it becomes an outage and getting time back from firefighting. Start a free trial and set your first alerts today.
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LazyLoad
LazyLoad is a lightweight, flexible script that speeds up your website
LazyLoad is a fast, lightweight and flexible script that speeds up your web application by loading images only as they enter the viewport. LazyLoad supports responsive images. LazyLoad is a lightweight (2.4 kB) and flexible script that speeds up your web application by deferring the loading of your below-the-fold images, animated SVGs, videos and iframes to when they will enter the viewport. It’s written in plain “vanilla” JavaScript, it leverages the IntersectionObserver API, it supports responsive images, it optimizes your website for slower connections, and can enable native lazy loading. To display content images on your pages, always use the img tag. This would benefit the SEO and the accessibility of your website. To understand if your images are content or background, ask yourself: “would my website user like to see those images when printing out the page?”. If the answer is “yes”, then your images are content images and you should avoid using background images to display them. -
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Leanote Desktop App
Leanote Desktop App, based on Electron(atom-shell)
Leanote Desktop App, based on Electron(atom-shell). Use Leanote as a notebook/note, and manage your knowledge on Leanote. Do you like markdown? don't worry, Leanote support it. You can public your knowledge then Leanote is your blog! An awesome blog where you can create your own theme. Share your knowledge with your friends on Leanote. Collaborate with friends to improve your knowledge. -
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Learning Prompt
Free prompt engineering online course
Learning-Prompt is a curated repository of prompts, techniques, and instructional patterns designed to help people construct better prompts for AI systems, including generation, reasoning, and debugging tasks. It collects examples of effective prompt formats, chains of thought, strategy scaffolds, and comparative methods that help yield consistent, high-quality results. The project also includes meta-guidance: reflections on prompt failures, tips for prompt tuning, ways to mitigate model bias or misinterpretation, and how to adapt prompts for different AI capabilities. Because prompt design is a skill under continuous iteration, the repo encourages contributions of new prompt recipes, evaluations, and domain-specific adaptations. It’s intended for educators, developers, and prompt engineers who want a living toolkit rather than static advice. Over time it serves as both a reference and playground for emergent prompt techniques. -
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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. -
Ship Agents FasterGemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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Leemons
The Powerful, user-friendly, open source Learning Experience platform
The ultimate open source learning platform. The only tool that supports the most successful teaching methodologies: is project-based learning, role-playing, cooperative, flipped classroom, design thinking, etc. Turn your institution into an innovative space for knowledge exploration and construction. Make it easier for students and teachers to interact about their activities. Manage tasks with Kanban: keep students focused on their next task Project-based learning has never been easier: cross-curricular activities where teachers and students work together. Everyone involved in an assignment knows what, how and when. Your students prepare together. Makes observation and experimentation-based methodologies easy for any teacher, with no extra effort. Designing immersive materials and activities to reuse, adapt and share is easier than ever. -
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LeetCode Python
LeetCode Solutions: A Record of My Problem Solving Journey
This repository is a comprehensive personal journal of LeetCode problem-solving journey. It includes detailed solutions with code, algorithm insights, data structure summaries, Anki flashcards, daily challenge logs, and future planning sections. -
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LeftHand is a fast, transactional web-based application server and development environment for business applications.
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Legato is above all a fast and lightweight, complete Web framework offering both server-side (PHP 5) and client-side (JavaScript) components to ease in the development and maintenance of today's demanding Web sites.
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Veeam Data Platform v13.1Try Veeam Data Platform today. Experience the unified platform that's secure by design, portable by default, and proven to recover clean, fast, and anywhere.
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LemonadeJS
LemonadeJS is a 7KB reactive JavaScript micro-library
LemonadeJS is an ultra-lightweight, reactive JavaScript micro-library that makes building dynamic user interfaces simple and intuitive by providing two-way data binding and component reactivity without any external dependencies or build steps. At roughly 5–7 KB, it works directly in the browser or with bundlers like webpack, enabling developers to create reusable, reactive UI components using pure JavaScript, JSX, or TypeScript while avoiding heavy frameworks. Its core reactivity system tracks changes to component state and efficiently updates only the affected parts of the DOM, which improves performance for both small widgets and larger applications. The library also offers powerful template syntax and lifecycle hooks so you can manage state, effects, loops, and events in a clear and expressive way while keeping your code close to native JavaScript. -
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Lens Jekyll
A Jekyll theme for photographers and photo bloggers
A Jekyll website for photographers and photo bloggers. Lens is a photo gallery Jekyll theme designed especially for photographers and photo bloggers. Jekyll Lens uses Jekyll Static Site Generator (SSG) to generate the website and GitHub Pages to host it. -
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Lerna
A tool for managing JavaScript projects with multiple packages
Lerna is a tool for managing JavaScript projects with multiple packages. Many times splitting a large codebase into several independently versioned packages is necessary for code sharing. However, this can make testing and tracking changes across repositories quite difficult. As a solution to this, many projects organize their codebases into multi-package repositories. It is Lerna's job to manage these multi-package repositories, optimizing workflow and reducing the time and space requirements for numerous copies of packages in development and build environments. Lerna's primary functionalities are bootstrap, which links dependencies in the repo together; and publish, which helps publish any updated packages. It is important to note that Lerna is not a deployment tool for serverless monorepos. -
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Lettering.js
A lightweight, easy to use Javascript span injector
Lettering.js is a lightweight jQuery plugin for gaining fine-grained control over web typography. It works by wrapping individual letters, words, or lines in numbered span elements that can be styled independently with CSS. This makes it useful for custom headings, typographic posters, kerning adjustments, and other decorative text treatments. The plugin preserves selectable text rather than replacing words with images or canvas rendering. Accessibility support adds an ARIA label to the parent while hiding generated child spans from screen readers. It requires jQuery and is intentionally simple, focusing on text segmentation rather than animation or layout. The project is best suited to selective display typography instead of wrapping large amounts of body text. -
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The library allows the use of server side and client side scripting (remote scripting) using XMLHTTPRequest and the AJAX technique.
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Libraries for Vue
Vue Libraries
Libraries for Vue - Grid. Sortable grid with pagination and column filtering. -
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Libros de Programación en Español
List of programming books in Spanish for free
Libros de Programación en Español is a curated list of free programming books in Spanish, organized by topic and technology so learners can find high-quality materials without cost. The README is structured as an index with general programming books, followed by sections for specific languages such as JavaScript, TypeScript, Python, Ruby, Rust, PHP, Haskell, Go, Kotlin, Java, and R.Each entry includes the book title, author, and a link to the official or legal free version (PDF, HTML, eBook, etc.), focusing on resources that are legitimately available. Beyond languages, the list also covers frameworks and libraries (like React and Qwik), tools (such as Git), and databases (SQL), grouping them in separate sections for easier browsing. The repository includes a code of conduct and contributing guidelines, inviting the community to help maintain the catalog and keep links up to date. -
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Light Bootstrap Dashboard
An admin dashboard template designed to be beautiful and simple
Light Bootstrap Dashboard is a bootstrap 4 admin dashboard template designed to be beautiful and simple. It is built on top of Bootstrap 4 and it is fully responsive. It comes with a big collection of elements that will offer you multiple possibilities to create the app that best fits your needs. It can be used to create admin panels, project management systems, web applications backend, CMS, or CRM. The product represents a big suite of front-end developer tools that can help you jump-start your project. We have created it thinking about things you actually need in a dashboard. Light Bootstrap Dashboard contains multiple handpicked and optimized plugins. Everything is designed to fit with one another. As you will be able to see, the dashboard you can access on Creative Tim is a customization of this product. -
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Light Portal is an Ajax and Java based Open Source Portal and Social Collaboration Software which can be seamless plugged in to any Java Web Application or as an independent Portal Server, see more details at official website www.lightportal.org.
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A set of minimalistic javascript widgets that enhance the HTML GUI without consumpting a great amount of resources on the client browser. This is mainly addressed to large AJAX projects.
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Lightning Web Components
A Blazing Fast, Enterprise-Grade Web Components Foundation
Lean, lightweight runtime optimized for performance, with minimal boilerplate code. Lightning Web Components uses standard HTML, modern JavaScript (ES6+), and the best of native Web Components. Leave abstractions behind and build custom elements with HTML, JavaScript, and CSS. Lightning web components are custom elements built using HTML and modern JavaScript. Ready to learn more? Check out the Developer Guide and write code in the Playground. You’ll be up and running in no time. Create fast, versatile web components and apps using the stack and tools your team prefers. Shape the framework through your pull requests and help push native Web Components forward. Use the latest web standards to build robust components that run in modern browsers and IE 11. Follow the instructions in your terminal. For Select a type of project, choose Single Page App and choose LWC as the variant. -
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This project provides a framework for interfacing with the European Installation Bus (EIB). It allows users to control EIB devices from their PC. It is designed for standardized bus coupling units 2 (BCU2) using the FT1.2 protocol over RS232.
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Framework for making Windows applications that are one .exe file in AutoHotKey_L,C++,C#, VB.NET,Java,Groovy,Common Lisp,Nemerle,Ruby,Python,PHP,Lua,Tcl,Perl,Jint,S#,WSH VBScript,HTML/JavaScript/CSS,COM, PowerShell without compiling . For .NET 4.
