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So, you want to build an app that has its data co-located with its UI? That works offline? That synchronizes between clients? And that lets its users own their data?
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Explore Offline Wikipedia and Educational Content with Kiwix.
Kiwix is your gateway for offline access to vast web resources like Wikipedia, Stackexchange, Project Gutenberg, TED Talks, and much more. These resources are packaged as highly compressed ZIM archives available for free from Kiwix. Learn more about the open-source Kiwix project on our main website.
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A self-hosted API that takes a URL and returns a file with browser screenshots.
You run the API on your machine, you send it a URL, and you get back the website data as a file plus screenshots of the site. Simple as.
Build excellent documentation site with less effort
Fumadocs is a beautiful & robust documentation framework with a complete toolchain. Designed for Flexibility, Performance and Next.js.
An open source buildless React web application framework for Deno.
Reactive Extensions Library for JavaScript.
RxJS is a library for composing asynchronous and event-based programs by using observable sequences. It provides one core type, the Observable, satellite types (Observer, Schedulers, Subjects) and operators inspired by Array methods (map, filter, reduce, every, etc) to allow handling asynchronous events as collections.
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A faster way to build and share data apps.
Streamlit turns data scripts into shareable web apps in minutes.
All in pure Python. No front‑end experience required.
Streamlit lets you transform Python scripts into interactive web apps in minutes, instead of weeks. Build dashboards, generate reports, or create chat apps. Once you’ve created an app, you can use our Community Cloud platform to deploy, manage, and share your app.
Simple. Powerful. Unobtrusive.
Build modern web applications with a framework that puts you first.
Aurelia is a modern, front-end JavaScript framework for building browser, mobile, and desktop applications. It focuses on aligning closely with web platform specifications, using convention over configuration, and having minimal framework intrusion. Basically, we want you to just write your code without the framework getting in your way. 😉
Aurelia applications are built by composing a series of simple components. By convention, components are made up of a vanilla JavaScript or Typescript class, with a corresponding HTML template.
Simple, scalable state management.
MobX is a signal based, battle-tested library that makes state management simple and scalable by transparently applying functional reactive programming.
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A drop-in javascript spreadsheet library that provides rich features like Excel and Google Sheets.
The goal of FortuneSheet is to make a feature-rich, easy-to-configure online spreadsheet that you can use out-of-the-box.
This project is originated from Luckysheet and has inherited many code from it. Lots of efforts have done to translate the whole project to typescript (still in progress), and solved problems in the design of the original project.
The Web Design Group was founded to promote the creation of non-browser specific, non-resolution specific, creative and informative sites that are accessible to all users worldwide.
To this end, the WDG offers material on a wide range of HTML related topics. We hope that with this site as a reference, you will be able to create Web sites that can be used by every person on the Internet, regardless of browser, platform, or settings.
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SRCL is an open-source React component and style repository that helps you build web applications, desktop applications, and static websites with terminal aesthetics.
Its modular, easy-to-use components emphasize precise monospace character spacing and line heights, enabling you to quickly copy and paste implementations while maintaining a clean, efficient codebase.
The most advanced responsive front-end framework in the world.
Foundation is the most advanced responsive front-end framework in the world. Quickly go from prototype to production, building sites or apps that work on any kind of device with Foundation. Includes a fully customizable, responsive grid, a large library of Sass mixins, commonly used JavaScript plugins, and full accessibility support.
🔍 LFIer is a powerful and efficient tool for detecting Local File Inclusion (LFI) vulnerabilities in web applications.
🔍 LFIer is a tool engineered to detect Local File Inclusion (LFI) vulnerabilities in web applications. It scans URLs with parameters, injects various payloads, and checks for indicators in the responses to identify potential LFI vulnerabilities. Leveraging asynchronous programming, LFIer ensures efficient and accurate scanning, even in environments protected by WAFs or cloud-based defenses.
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Stract is an open source web search engine hosted at stract.com targeted towards tinkerers and developers.
A lightweight Java and Kotlin web framework.
Javalin is a very lightweight web framework for Kotlin and Java which supports WebSockets, HTTP2 and async requests. Javalin’s main goals are simplicity, a great developer experience, and first class interoperability between Kotlin and Java.
Modular building blocks for building collaborative applications like Google Docs and Figma.
Yjs is a shared editing framework. It exposes Shared Types that can be manipulated like any other data type. But they are synced automatically!
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A react null renderer
Standards first web framework.
Nue is HTML, CSS, and JavaScript taken to their absolute peak.
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Email parser for browser and serverless environments.
postal-mime is an email parsing library that runs in browser environments (including Web Workers) and serverless functions (like Cloudflare Email Workers). It takes in a raw email message (RFC822 format) and outputs a structured object containing headers, recipients, attachments, and more.