Alternatives and similar repositories for bitcoin:

Users that are interested in bitcoin are comparing it to the libraries listed below

• bitcoin-core / bitcoin-detached-sigs
  Bitcoin detached release signatures
  ☆30Updated last week
• TheBlueMatt / bitcoin
  Bitcoin (dont fork from here, fork from bitcoin/bitcoin)
  ☆21Updated 4 months ago
• spesmilo / electrum-signatures
  ☆36Updated 2 months ago
• bitcoin-core / docs
  External documentation related to Bitcoin Core
  ☆34Updated 3 years ago
• achow101 / bitcoin
  Bitcoin Core integration/staging tree
  ☆39Updated this week
• spesmilo / cosignerpool
  server code for the cosignerpool plugin
  ☆13Updated 9 years ago
• genjix / bips
  Bitcoin Improvement Proposals
  ☆26Updated 2 years ago
• sipa / bitcoin
  Bitcoin integration/staging tree
  ☆91Updated this week
• spesmilo / electrum-http
  javascript and html files for payment requests
  ☆12Updated last year
• BitcoinUnlimited / BUIP
  Bitcoin Unlimited Improvement Proposal Archive and related documentation
  ☆63Updated 3 years ago
• trezor / trezor-common
  Don't post issues/PRs to here, use the new monorepo:
  ☆93Updated this week
• blockchain / Checksum-Explorer
  Explorer checksums
  ☆9Updated 2 years ago
• bitcoin-core / univalue-subtree
  Bitcoin Core's univalue branch (no longer used)
  ☆15Updated 2 years ago
• spesmilo / eclair-tools
  Eclair management tools
  ☆9Updated last year
• sipa / ezbase32
  Simple base32 format with strong error detection
  ☆17Updated 3 years ago
• OpenBitcoinPrivacyProject / wallet-ratings
  Criteria for evaluating Bitcoin wallets' privacy properties.
  ☆48Updated 8 years ago
• petertodd / bips
  Bitcoin Improvement Proposals
  ☆13Updated 9 years ago
• kallerosenbaum / bitcoin-iblt
  A project for experimenting with ibltj and bitcoinj
  ☆12Updated 2 years ago
• bitpay / bitcore-channel
  Payment channels smart contract support for bitcore.
  ☆49Updated last year
• bitcoin-core / bitcoin-devwiki
  Wiki for Bitcoin Core development
  ☆84Updated 10 months ago
• Blockstream / contracthashtool
  A simple implementation of Pay-to-Contract-Hash
  ☆90Updated 3 years ago
• lamassu / lamassu-install
  Install your remote server for the Lamassu Cryptomat
  ☆18Updated 3 weeks ago
• bitcoinmeetups / bitcoinmeetups.github.com
  Bitcoin Challenges, Meetups and Services, Exchange, Giveaways, Tipping, Ethereum, Counterparty, Dogeparty, ChangeTip, Tokens, Skype Group…
  ☆14Updated last year
• project-bitmark / bitmark
  Bitmark Core
  ☆47Updated 5 months ago
• gavinandresen / bitcoin-git
  Feature branches that aren't yet, or never will be, ready for mainline bitcoin
  ☆127Updated 2 years ago
• bitpay / pgp-keys
  An additional place for distributing our PGP public keys
  ☆28Updated 3 years ago
• domob1812 / namecoin-core
  Reimplementation of Namecoin on top of the current Bitcoin Core codebase.
  ☆37Updated this week
• bitseed-org / bitcoin-box
  Low cost Bitcoin node device
  ☆24Updated 6 years ago
• blockchain / Blockchain-Known-Pools
  Blockchain Known Pools Tracking Info
  ☆115Updated 5 months ago
• achow101 / btcinformation.org
  Fork of bitcoin.org
  ☆20Updated 3 years ago