There is also
- https://ledger-open-call.fundingbox.com/ (I dont buy the blockchain hype, but its not restricted to that:
Projects (Technology Transfer Experiments) have to be based in Research components, relevant for the topic of Privacy-by-Design, Distributed Data Governance and consisting in development, test and validation of technical and economic viability of Minimum Viable Product (MVP) or Service.
The results of these bottom-up projects should be compliant with Open Licences (i.e. Open Hardware, Open Software and/or Creative Commons).
- https://prototypefund.de: Awesome, quick application, but need German residency. Also, quite interesting newsletters.
- https://opencollective.com (Open Collectives "Call" for Tools for collectives), but that one is more about kind-of-crowdfunding