Peter JOHN Matecsa has a computer science degree, worked as a software developer and a marketer, and now programs as a retirement hobby.

I do TypeScript and F#/.Net open source work. I like to experiment with dev-experience, focusing on making API:s easy (smooth!) to use, and easy to get started with. I do video explainers for my open source projects.

I develop Flycut — an open-source clipboard manager for macOS

A Linter for All Markup Languages. Support markuplint's open source work.

Support Baptiste's open-source work

I've been coding professionally for 33 years. My specialty is building easy-to-use frameworks, which I've been doing on a proprietary basis since 1995. For the last couple of years my off-work project has been the open-source language Active CSS.

Support gi0baro’s open source work

Geode-solutions is a software company building the next generation of meshing tools for advanced modeling. To that point, we develop OpenGeode: an open source framework for representing and manipulating geometric models.

Support vstakhov’s open source work

Support LXGaming's open source work

Software Developer based in Meguro, Tokyo, Japan. Focusing on launch internet-based businesses from 0-scratch.

Haxe Foundation have been maintaining the Haxe programming language, compiler, standard library and IDE tools for 10 years.

Vivliostyle is an open source project for a new typesetting system fitting for digital and web publishing based on the latest web standard technology

Pixel Vision 8's core philosophy is to teach retro game development with streamlined workflows. PV8 is also a platform that standardizes 8-bit fantasy console limitations built on top of the open-source C# game engine based on MonoGame.

Hi friends, I maintain and build component libraries and tools that help people build performant, beautiful, and accessible applications!

Messing around with microcontrollers and making mad projects - check out my YouTube channel - https://www.youtube.com/channel/UC4Otk-uDioJN0tg6s1QO9lw

EDRLab is a non-profit organization dedicated to open source software and open standards for the publishing sector, worldwide. It is the home for Thorium Reader and LCP, and a major contributor to the Readium project.

A passionate developer, currently doing a Master's in CS at the KIT. I have a strong vision of how the developer experience of the future could look like. Help me making it a reality by sponsoring me! See my featured work for what I already created.

I've been a Microsoft MVP since 2003 and have contributed to many .NET projects. I focus on mobile, IoT and Bluetooth. I created 32feet.NET as a .NET library to facilitate Bluetooth communications.

SoftInstigate is the company behind RESTHeart, the low code platform for building microservices, providing its customers with the technology for developing cloud native applications following the open source model.

Support Mirror's open source work.

Support cTrader Guru open source work, help us create new tools for cTrader.

Hey 👋 my name is Kai and I'm an 18 year old student from Germany. The biggest part of my work is in the open source .NET space.

Support Nikolai in making his package manager and Swift/Rust libraries!