- Donation-based - large donors and/or recurring small donations
- Bounties - for fixing bugs / implementing feature requests
- Grant Funding
- Government Funding
- Paid Services
- Commercial / proprietary use pays
- SSB – Microgranting -- story to tell along the way
- Guifi/Benefitoria & Patreon – sustainable crowdfunding
- Open Whisper System's experiment combining GitHub bounties with Bitcoin, BitHub
- Code for X (e.g. https://codefor.ca)
- SourceCred is a system for creating reputation networks for open-source projects, and give a sense of recognition for and ownership of contributions
- Open Collective is a platform for open source groups to decide on budgets, make their finances transparent, and grow a community of recurring donors and backers
- Bcoin is a family of full node implementations. The project started as the back-end bitcoin implementation for Purse. Today it's one of 3 fullnode implementations running in production for Bitcoin. Bcoin forks include bcash (BCH), lcoin (LTC), and hsd (HNS).
- Mozilla Open Source Support (MOSS)
- Ford Foundation
- Shuttleworth Foundation funds yearlong fellowships where funds disbursed by fellows are matched
- Knight Foundation
- Linux Foundation
- Open Culture Foundation who distribute small grants for civic tech community in Taiwan g0v
- NLnet Foundation
- Renewable Freedom Foundation
- Access Now grants
- Opportunity Fund - microlending
- Media Democracy Fund - "MDF funds media and technology policy organizations working to advance the public interest and human rights in the digital age."
- RIPE NCC Community Projects Fund - "The RIPE NCC will provide EUR 250,000 per year to support projects of value to the operation and resilience of the Internet, with a focus on tools and services benefitting the technical community in our service region."
- Digital Defenders Partnership - Funds projects focused on the following: "Strengthening an organization’s emergency response capacity; Personal protection for anyone targeted due to their online presence or facing digital threats; Other strategic investments in the digital emergency response sector
- OTF's list of alternative funding
- Renewable Freedom Foundation's list of digital rights funding sources
- NLnet Foundation's list of alternative funding sources
- Nadia Eghbal's lemonade stand of funding models for open source and this list of microgrants
- Nadia Eghbal's report - Roads and Bridges: The Unseen Labor Behind Our Digital Infrastructure