Graphden
Fiscal Host: Open Source Europe
Graphden is a programming environment for building and running services as typed, versioned graphs. Open-source core under AGPL-3.0.
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10 hours of maintainer work a...
€7,200
per year
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Graphden collective is live
Graphden is now hosted by Open Source Europe. Donations here fund contributor work on the open-source project only, invoiced at €60/hour per our public expense policy; servers and the hosted service are paid separately. Next: applications t...
Published on September 23, 2026 by Markov Artem
About
Graphden is a programming environment where programs are stored as graphs of functions. A visual editor supports composition, type checking, execution, branching, diffing and merging.
This collective funds contributor work on the open-source project: code, tests, documentation and tutorials. Contributors, including the founder, are paid €60 per hour against invoices. Each expense is reviewed and approved by the other administrator; nobody approves their own. Open Source Europe makes payments through the platform.
All work funded through Open Source Europe or an OSE-managed grant is published in the public repository under AGPL-3.0 and remains publicly available permanently. Contributors sign a CLA assigning rights to the maintainer, allowing additional commercial licensing of the same code. This never withdraws the AGPL-3.0 licence.
The collective funds only work and resources exclusively serving the open-source project. Anything shared with the hosted cloud service is excluded. Our current servers, domains and CI are funded outside the collective. Before submitting the first expense for any new resource dedicated exclusively to the open-source project, we will contact Open Source Europe.
This collective funds contributor work on the open-source project: code, tests, documentation and tutorials. Contributors, including the founder, are paid €60 per hour against invoices. Each expense is reviewed and approved by the other administrator; nobody approves their own. Open Source Europe makes payments through the platform.
All work funded through Open Source Europe or an OSE-managed grant is published in the public repository under AGPL-3.0 and remains publicly available permanently. Contributors sign a CLA assigning rights to the maintainer, allowing additional commercial licensing of the same code. This never withdraws the AGPL-3.0 licence.
The collective funds only work and resources exclusively serving the open-source project. Anything shared with the hosted cloud service is excluded. Our current servers, domains and CI are funded outside the collective. Before submitting the first expense for any new resource dedicated exclusively to the open-source project, we will contact Open Source Europe.
Our team
Markov Artem
Admin
Markov Denis
Admin