Let-Africa-Build-LAB/lab-open-source-builders-fund

Open Source Builders Fund — $20K matching pool via Artizen. # LAB Open Source Builders Fund The LAB Open Source Builders Fund supports developers building open-source infrastructure across the Bitcoin ecosystem, with a primary focus on empowering African builders. Created by Let Africa Build (LAB), the fund enables emerging developers to experiment, prototype, and launch tools that strengthen developer infrastructure, payment systems, and decentralized financial rails across Africa. By supporting early-stage technical experimentation, the fund helps transform promising developers into open-source contributors, infrastructure builders, and startup founders contributing to the global Bitcoin ecosystem. ## Fund Focus The LAB Open Source Builder Fund supports developers building open infrastructure across the Bitcoin ecosystem. Builders are encouraged to submit projects exploring areas such as: **Bitcoin Developer Tooling** Developer libraries, SDKs, testing frameworks, node tools, and developer infrastructure that improve the Bitcoin builder experience. **Lightning Infrastructure** Tools, analytics, routing utilities, or services that improve Lightning Network usability and reliability. **Wallet and Payment Infrastructure** Wallet tooling, payment SDKs, custody tools, and APIs enabling Bitcoin-based payments and financial applications. **Bitcoin Data Infrastructure** Indexers, explorers, analytics tools, and programmable data layers that enable new applications and developer experimentation. **Bitcoin Layer-2 Tooling** Developer tools and infrastructure supporting Bitcoin Layer-2 ecosystems such as Stacks. ## Eligibility The LAB Open Source Builders Fund prioritizes African developers and teams building open-source infrastructure and tools across the Bitcoin ecosystem. International builders may also participate if their work collaborates with the LAB ecosystem or contributes meaningfully to the growth of Bitcoin infrastructure across Africa. Projects should: - Be open source with publicly accessible code reposit …