ECMWF
Copernicus Grants, administered through ECMWF, includes calls such as the C3S National Collaboration Programme, with proposals submitted via ECMWF's Call Package and submission portal.
From the Grant Wire
Grant programs across
crypto, AI and open source.
Who funds them, what they fund and how to apply.
480 programs on file258 active programsCrypto · AI · Open source
National Science Foundation
NSF PESOSE invites proposals to translate open-source research into sustainable, secure ecosystems that address national and societal needs — scoping, establishing, and improving the safety, security, and privacy of open-source projects. Full proposals are due the first Tuesday in September and the first Tuesday in March, annually. Total program funding is approximately $40 million.
National Science Foundation
An active NSF Dear Colleague Letter encouraging PESOSE proposals on secure, open protocols for AI agent ecosystems. Proposals may address interoperability, scalability, security, open science, partnerships, education, and training, and must follow the underlying PESOSE solicitation.
EU Horizon Europe
Horizon Europe call topic (HORIZON-CL4-2026-04-HUMAN-02) funding work on a Web 4.0 architectural framework and an open internet stack, run through the EU Funding and Tenders portal. The call deadline was April 15, 2026.
Status describes whether a program is running. Application methods are recorded separately. Read the funder’s terms before applying.