Reactive Marbles is owned and operated by the ReactiveUI Association, Inc. We are an organization committed to maintaining ReactiveUI and teaching Reactive Programming for application development in .NET

Hi! I'm building Vendure, an open-source headless e-commerce framework built on Node.js with TypeScript and GraphQL.

Support the world's most popular Python progress bar!

Hey, I'm Carlos! I'm the creator and maintainer of @goreleaser and other goodies you might use.

I'm a full-time contributor in the open source community and web scraping projects, and looks for sponsorship to support my work and help you in web scraping project/business.

Support projeto7c0's open source work! We build tools to enhance transparency for political discourse on social networks, and several other bots!

Building tools for type-safe, maintainable platforms for numerical methods, machine learning, and data science in Haskell

Primary author of river, a dynamic tiling Wayland compositor. Contributor to Zig, wlroots, and more.

Support the development and operation of the Swift Package Index by sponsoring it. With your help, or your company’s, we can continue to build an essential resource for the Swift community.

A 501(c)3 that focuses on increasing accessibility on the internet through crowdsourcing and gamification; see r/TranscribersOfReddit for an example!

Hi! I love making and sharing utilities, frameworks, and tools. And I especially enjoy pushing JavaScript's performance limits! However, this all takes time to do well. Please consider supporting my efforts if you enjoy my work.

Support my work across the Rust ecosystem

I love building things that make web development better, and I'm pleased to share with the world!

Support HTTP Toolkit and its open-source projects

We are the Libretro/RetroArch project. We develop and maintain the RetroArch and Libretro project. In addition, we also develop and maintain the Lakka project. In addition, our backend technology is used by thousands of projects worldwide.

I'm a developer, entrepreneur, and a huge fan of open source software.

Hi! I'm a software developer from Poland 🇵🇱 Creator & maintainer of the `Fork TS Checker Webpack Plugin` ⚡️ Guitar player 🎸

Max's random projects fund

Secure, end-to-end encrypted, and privacy respecting sync for all of your data. Developing an SDK for building encrypted applications as well as a variety of apps for all platforms for syncing your contacts, calendars, tasks, notes and more!

Support arzzen’s open source work

I'm a security engineer with extensive experience and management skills especially in PKI and identity.

Building React Native Apps & Helping Developers Work Remotely 🥑

Support qutebrowser (a vim-like web browser) and other open source projects by The-Compiler!

Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conversations.

OpenML aims to democratize machine learning by creating an open, frictionless platform for accessing and sharing datasets, models, and experiments. Anytime, anywhere. It allows you to easily build on prior work and automate your workflows.