Here are free Bitcoin open-source platforms where developers can learn and contribute to Bitcoin and Lightning development:
1. Btrust Builders Pathway – [btrust.dev](https://btrust.dev)
- Focus: Bitcoin open-source and Lightning development.
- What it offers: Structured learning pathways created by African Bitcoin builders. Covers everything from Bitcoin basics to advanced Lightning development and contributions.
- Why it's great: Community-driven, beginner-friendly, and focuses on global south inclusion.
2. Chaincode Labs Learning Resources – [learning.chaincode.com](https://learning.chaincode.com)
- Focus: Deep Bitcoin protocol and internals.
- What it offers: Study groups, technical resources, and open-source contribution guidance.
- Why it's great: Led by top Bitcoin engineers. Great for serious developers.
3. Bitcoin Dev Kit (BDK) – [bitcoindevkit.org](https://bitcoindevkit.org)
- Focus: Building Bitcoin wallets in Rust.
- What it offers: Open-source libraries, guides, and contribution tools.
- Why it's great: Perfect for developers who want to build wallet apps from scratch.
4. Lightning Dev Kit (LDK) – [lightningdevkit.org](https://lightningdevkit.org)
- Focus: Lightning Network development.
- What it offers: Tools and documentation to build Lightning-enabled applications.
- Why it's great: Offers flexibility to customize Lightning features.
5. PlanB Network – [planb.network](https://planb.network)
- Focus: Bitcoin education and developer tools.
- What it offers: Courses, guides, mentorship, and open-source tools.
- Why it's great: Open access to multiple technical Bitcoin resources in one place.
These platforms are free and ideal for self-paced learning and real-world contribution.
1. Btrust Builders Pathway – [btrust.dev](https://btrust.dev)
- Focus: Bitcoin open-source and Lightning development.
- What it offers: Structured learning pathways created by African Bitcoin builders. Covers everything from Bitcoin basics to advanced Lightning development and contributions.
- Why it's great: Community-driven, beginner-friendly, and focuses on global south inclusion.
2. Chaincode Labs Learning Resources – [learning.chaincode.com](https://learning.chaincode.com)
- Focus: Deep Bitcoin protocol and internals.
- What it offers: Study groups, technical resources, and open-source contribution guidance.
- Why it's great: Led by top Bitcoin engineers. Great for serious developers.
3. Bitcoin Dev Kit (BDK) – [bitcoindevkit.org](https://bitcoindevkit.org)
- Focus: Building Bitcoin wallets in Rust.
- What it offers: Open-source libraries, guides, and contribution tools.
- Why it's great: Perfect for developers who want to build wallet apps from scratch.
4. Lightning Dev Kit (LDK) – [lightningdevkit.org](https://lightningdevkit.org)
- Focus: Lightning Network development.
- What it offers: Tools and documentation to build Lightning-enabled applications.
- Why it's great: Offers flexibility to customize Lightning features.
5. PlanB Network – [planb.network](https://planb.network)
- Focus: Bitcoin education and developer tools.
- What it offers: Courses, guides, mentorship, and open-source tools.
- Why it's great: Open access to multiple technical Bitcoin resources in one place.
These platforms are free and ideal for self-paced learning and real-world contribution.