The Mempool Open Source Project develops [mempool.space](https://mempool.space/), a self-hostable explorer and visualizer for the Bitcoin community, focusing on the emerging transaction fee market to help our transition into a multi-layer ecosystem.

Maintainer of the Jellyfin Android apps and Kotlin SDK. Working primarily on the Android TV app. You can find my contributions in other places as well from time to time.

For more than 30 years, I have made and delivered systems integrating connected objects, aka IoT systems. I ensured smooth integration of various wireless technologies, designed several devices, and developed associated SDK.

Support Eugene's open source projects such as iOS Ref, TypeStyle, and BikeFix.

Support Katherine's open source work

Support erdewit's open source projects.

Support Bens open source work

I build applications and tools to solve problems I encounter with technology. Sponsorships help to support the cool open-source projects I am working on.

Support NaturalIntelligence's open source work

From a computer with :heart:

AliceVision is a friendly community gathering people from academia and industry for the development of open-source computer vision software. Our ambition is to democratize 3D digitization from photographs.

Support hlky's open source work

The SEN'YU-KAI of the Japanese destroyer Kikuzuki during World War II.

I'm developing and maintaining [TwelveMonkeys ImageIO](https://haraldk.github.io/TwelveMonkeys/), an open-source project that provides extended image file format support for the Java platform.

We're a community of millions of people who are building new skills and getting new jobs together. We are a 501(c)(3) tax-exempt nonprofit.

Award-winning feminist tech project helping survivors of abuse get the information & support they need.

Promoting Drupal in the Czech Republic and Central Europe by providing opportunities to learn, meet and collaborate.

I have been developing for 11 years and maintain one of the most popular javascript datepicker OSS project.

Support Michaël De Boey’s open source work

Neatnik is a tiny software development company in Louisville, KY. We build good, fun stuff.

Gimme moneys

Support TingPing’s open source work

We are full-stack GeoNinjas, creators of QField, [hard]core committers of QGIS and crafters of custom cloud solutions