Open Source Projects

• LNbits

  lnbits/lnbits

  Accounts system and extension platform for Lightning. Python + frontend extensions.

  beginnerPythonMedium

  Good first issues

  14

  Help wanted

  22

  Maintainer: LNbits

  Avg review ~3d · Easy-Medium - Python + Vue extensions

  Excellent health

  good first issuehelp wantedextension

  • · Fits builders around level 1+
  • · Beginner-friendly on-ramp
  • · 14 good first issues listed

  RepositoryIssues

• Mempool

  mempool/mempool

  Open-source Bitcoin explorer and mempool visualizer with frequent frontend and API work.

  beginnerTypeScriptLarge

  Good first issues

  12

  Help wanted

  20

  Maintainer: Mempool Space

  Avg review ~3d · Easy-Medium - strong for TypeScript builders

  Excellent health

  good first issuehelp wantedui

  • · Fits builders around level 1+
  • · Beginner-friendly on-ramp
  • · 12 good first issues listed

  RepositoryIssues

• Ride The Lightning

  Ride-The-Lightning/RTL

  Web UI for Lightning node operators. UI, UX, and API integration issues are common.

  beginnerTypeScriptMedium

  Good first issues

  11

  Help wanted

  17

  Maintainer: RTL contributors

  Avg review ~4d · Easy-Medium - Angular/TS experience helps

  Good health

  good first issuehelp wantedui

  • · Fits builders around level 1+
  • · Beginner-friendly on-ramp
  • · 11 good first issues listed

  RepositoryIssues

• BTC RPC Explorer

  janoside/btc-rpc-explorer

  Self-hosted explorer UI. Documentation and UX polish issues are approachable.

  beginnerJavaScriptSmall

  Good first issues

  4

  Help wanted

  6

  Maintainer: Dan Janosik

  Avg review ~4d · Easy - JS + RPC familiarity

  Good health

  enhancementdocumentation

  • · Fits builders around level 1+
  • · Beginner-friendly on-ramp
  • · Typical review ~4d

  RepositoryIssues

Showing 9 of 20 repositories

• Bitcoin Core

  bitcoin/bitcoin

  The reference Bitcoin full node. Best entry points are docs, tests, and carefully scoped bug fixes.

  advancedC++Large

  Good first issues

  18

  Help wanted

  42

  Maintainer: Bitcoin Core contributors

  Avg review ~14d · Hard - deep protocol context required

  Excellent health

  good first issuedocstests

  RepositoryIssues

• Bitcoin Dev Kit

  bitcoindevkit/bdk

  Modular wallet toolkit in Rust with active mentoring and clear contribution docs.

  intermediateRustMedium

  Good first issues

  9

  Help wanted

  15

  Maintainer: Bitcoin Dev Kit

  Avg review ~5d · Medium - Rust + wallet basics help

  Excellent health

  good first issuehelp wanteddocumentation

  RepositoryIssues

• rust-bitcoin

  rust-bitcoin/rust-bitcoin

  Bitcoin data structures and serialization in Rust. Great for library-minded builders.

  intermediateRustMedium

  Good first issues

  7

  Help wanted

  11

  Maintainer: rust-bitcoin

  Avg review ~6d · Medium - Rust ownership fluency helps

  Good health

  good first issuedocs

  RepositoryIssues

• Mempool

  mempool/mempool

  Open-source Bitcoin explorer and mempool visualizer with frequent frontend and API work.

  beginnerTypeScriptLarge

  Good first issues

  12

  Help wanted

  20

  Maintainer: Mempool Space

  Avg review ~3d · Easy-Medium - strong for TypeScript builders

  Excellent health

  good first issuehelp wantedui

  RepositoryIssues

• BTC RPC Explorer

  janoside/btc-rpc-explorer

  Self-hosted explorer UI. Documentation and UX polish issues are approachable.

  beginnerJavaScriptSmall

  Good first issues

  4

  Help wanted

  6

  Maintainer: Dan Janosik

  Avg review ~4d · Easy - JS + RPC familiarity

  Good health

  enhancementdocumentation

  RepositoryIssues

• LND

  lightningnetwork/lnd

  Lightning Network Daemon. Docs, tests, and tooling PRs are the friendliest on-ramps.

  advancedGoLarge

  Good first issues

  10

  Help wanted

  28

  Maintainer: Lightning Labs

  Avg review ~10d · Hard - Lightning protocol depth helps

  Excellent health

  good first issuedocshelp wanted

  RepositoryIssues

• Core Lightning

  ElementsProject/lightning

  Spec-focused Lightning implementation with plugin and docs opportunities.

  advancedCLarge

  Good first issues

  6

  Help wanted

  14

  Maintainer: Blockstream / CLN community

  Avg review ~9d · Hard - C + Lightning concepts

  Good health

  good first issuedocumentationplugin

  RepositoryIssues

• Lightning Dev Kit

  lightningdevkit/rust-lightning

  Flexible Lightning library for embedding LN into apps. Rust contributors welcome.

  intermediateRustLarge

  Good first issues

  8

  Help wanted

  16

  Maintainer: Lightning Dev Kit

  Avg review ~7d · Medium-Hard - Rust + LN state machines

  Excellent health

  good first issuehelp wanteddocs

  RepositoryIssues

• Ride The Lightning

  Ride-The-Lightning/RTL

  Web UI for Lightning node operators. UI, UX, and API integration issues are common.

  beginnerTypeScriptMedium

  Good first issues

  11

  Help wanted

  17

  Maintainer: RTL contributors

  Avg review ~4d · Easy-Medium - Angular/TS experience helps

  Good health

  good first issuehelp wantedui

  RepositoryIssues