NLnet's Restack fund, financed by the European Commission under Horizon Europe, gives grants of 5,000 to 50,000 euros to individuals and organisations who build free and open source internet technology. Teams from Horizon Europe countries, Tunisia included, meet its European rule. Calls run back to back, with a deadline on the 3rd of every odd month: the round after 3 November 2026 closes on 3 January 2027.
Who can apply
Nationality and European dimension
Restack excludes no category of person, but the project needs a strong European dimension: team members from Horizon Europe countries should receive at least 60% of the funds. Tunisia is a Horizon Europe associated country, so a Tunisian applicant meets this rule.
Who can apply
Individuals, collectives, associations, foundations, NGOs, universities, public bodies, cooperatives and companies.
Project
Technical work on internet technology released under a free or open source licence. AI projects are out of scope unless they have more than one million active human users.
Funding and what it does not cover
A first grant is worth 5,000 to 50,000 euros, at cost-recovery rates, and can be scaled up for projects with proven potential. NLnet also offers non-cash help such as security audits and accessibility scans.
Covered
Design and development of free and open source software and hardware
Documentation, security audits, testing, packaging and standards work
Travel to technical events such as IETF, W3C or FOSDEM
You pay
AI projects without more than one million active human users
Work that is not released under a free or open source licence
