NLnet Foundation

Supports open software metadata, licensing information and vulnerability data for software supply chains. EUR 400,000 is reserved for external grants, with initial requests of EUR 5,000 to EUR 50,000.

Supports portable hosted services and Nix/NixOS infrastructure. Its final application call closed August 1, 2026; program work continues through November 2027. There is no current application round.

Supports free and open source privacy-preserving payments and GNU Taler integrations. Its final application call closed August 1, 2026; the program continues through August 2027. The EUR 676,000 minimum is the program grant allocation, not a remaining balance for an open call.

Funds open internet software, hardware, standards and other shared infrastructure. The final application call closed on June 1, 2026. Selection and supported project work continue; closure of intake does not mean all grant activity has ended.

Supports open internet infrastructure across the technology stack, from chips to applications. EUR 7 million is allocated for external grants through 2030, with initial requests of EUR 5,000 to EUR 50,000. This grant allocation is distinct from the wider consortium budget.

Apply for up to €50,000 to advance the open, federated social web — ActivityPub implementations, decentralised microblogging, link-sharing, forums, media hosting, and fediverse tooling qualify. A private NLnet sub-fund with fewer EU restrictions than NGI-backed calls; applications reopen September 3, 2026 with a deadline of November 3, 2026 at 12:00 CEST. Not listed among the three new Open Internet Stack programmes (Restack, CodeSupply, ELFA) — a separate, existing fund.

Apply for up to €50,000 for open technology projects benefiting research networks and higher-education institutions, in a co-fund between NLnet and the Vietsch Foundation. Eligible projects include federated academic infrastructure, open educational tools, and research-network protocols such as eduVPN. The fund updated its deadline sequence on August 3, 2026 and reopens September 3 with a November 3 deadline — a lesser-known NLnet sub-fund not part of the Open Internet Stack trio.

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Encrypted local-first applications research initiative. NLnet withdrew from the consortium in August 2026. The consortium advertises forthcoming subgrants, but the call operator and application terms are not recorded.

Legacy record created from a general NLnet call announcement. Its August deadline related to the funds named in that notice. Its identity as a separate funding program is unresolved; see the named program records for current intake.

Legacy general intake record spanning multiple NLnet funds. Its former even-month cadence is outdated. The scope of the Other route and any distinct general fund need verification before this is presented as an independent opportunity.