Resources

General Information

• Bitcoin Project Website - https://bitcoin.org
• Bitcoin Wiki - https://en.bitcoin.it

Bitcoin Development

• Bitcoin Github Repository
• Bitcoin Developer Documentation
• Bitcoin Development Mailing List
• Bitcoin Development IRC
• Bitcointalk Development & Technical Discussion
• Bitcoin Core Contributors

Full Node Implementations

• Bitcoin Core
• BTCD
• Libbitcoin
• bitcoinj
• Electrum Server

Utilities & Tools

• electrum-personal-server
• bip39 mnemonic tool
• python-bitcoinlib
• python-bitcoin-utils

Discussion

• Bitcointalk Forum
• Bitcoin Reddit Community
• Bitcoin StackExchange
• Bitcoin IRC

Lightning Development

• Blockstream Lightning
• C-Lightning Github Repository
• Lightning Labs
• LND Github Repository
• Eclair Github Repository

Wallet Implementations

• Desktop
  • Electrum
• Mobile
  • Android
    • Bitcoin Wallet
    • BLW (LN support)
    • BRD
    • Eclair Mobile (LN support)
    • Electrum
    • Mycelium
  • iOS
    • BRD
• Hardware
  • Bitbox
  • Coldcard
  • Keepkey
  • Ledger
  • Trezor