UltiMaker Cura is being used millions of times per week worldwide in schools, companies, and workshops. Donations ensure that Cura can stay free, and is maintained regularly independent of the profit of our 3D printer-manufacturing company.

Experienced software technologist with passion for architecting and developing solutions in any business domain using only languages, frameworks and patterns that are most suitable for given problem. Proficient in both cloud based and server-less.

PostgreSQL DBA

Hey I'm Sayrix, a young developer. If you want to support me for my projects, make me a donation !

Support robertlemke’s open source work

Any help will be highly appreciated and will motivate me to continue working on my projects and care about my non-profit organization!

Platform and systems automation engineer

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

Tenzir is building the next big thing in open-source security operations: SecDataOps. We are changing the way that cybersecurity operations infrastructure is built and operated based on a simple philosophy, composable data flow pipelines.

I have created and continue to maintain over 60 Ruby gems. My libraries have been downloaded more than 600 million times - super cool! I’m probably most known for creating the TTY toolkit for CLI development. Your help would be great!

Noovolari is the product division of beSharp, a company focusing on cloud and IT consultancy. Our mission is to create solutions to facilitate, accelerate and manage processes in complex cloud environments.

CodeYourFuture is a community-driven digital skills school that offers refugees and underprivileged groups the training they need to gain employment and lead a thriving life.

Hi there! 👋 I'm Konnor. I was a paramedic. 🚑 I'm now a programmer. 👨‍💻 Currently working on [Mrujs](https://github.com/paramagicdev/mrujs) which is the modern incarnation of Rails UJS.

Support handshake-labs's open source work

What if keeping your app secure was as easy as installing an NPM package? That's why we're building LunaSec. You can help us make security easier to manage by becoming a sponsor today!

Blockscout is an open-source project dedicated to providing accurate, useful, and transparent data access for blockchains and their communities. Your support helps Blockscout continue to improve the block explorer experience for all users.

I'm open-sourcing the projects that help people learn. Learn about algorithms and get prepared for technical interviews better, or learn Python syntax and start experimenting with machine learning, etc.

Support JustinNichol’s open source work

My name is Tadas. During the day I am a Developer Advocate and during the night I am an online educator. Currently building hungrimind.com which will one day be the best resource for learning online.

The Cacti Group is a small group of volunteer developers and admins working to make life easier.

I am a maintainer of many Jenkins plugins and of Jenkins itself. Your sponsorship will help me to travel the world to meet up with other people from the OSS community and to spend more time working on open source projects.

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

I’m a software developer, teacher, speaker and writer