Alternatives and similar repositories for ethereum:

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

• ethereum / btcrelay
  Ethereum contract for Bitcoin SPV: Live on https://etherscan.io/address/0x41f274c0023f83391de4e0733c609df5a124c3d4
  ☆615Updated last year
• ethereumclassic / explorer
  EthereumClassic Block Explorer
  ☆263Updated 2 years ago
• rsksmart / rskj
  RSKj is a Java implementation of the Rootstock protocol.
  ☆677Updated this week
• EOSIO / eos-token-distribution
  ☆194Updated 2 years ago
• ethereum / casper
  Casper contract, and related software and tests
  ☆687Updated 3 years ago
• wanchain / go-wanchain
  Wanchain Client Source Code
  ☆288Updated last month
• chriseth / browser-solidity
  Solidity compiler to be run inside a browser
  ☆135Updated 8 years ago
• ethereum / homestead-guide
  ☆292Updated 2 years ago
• raiden-network / microraiden
  ☆361Updated 6 years ago
• polkadot-io / polkadot-white-paper
  The technical vision paper for Polkadot, a heterogeneous extensible multi-chain.
  ☆192Updated 4 years ago
• ethereum / sharding
  Sharding manager contract, and related software and tests
  ☆482Updated 6 years ago
• AugurProject / augur-core
  Augur v1 - Smart Contracts [DEPRECATED]
  ☆593Updated 3 years ago
• cosmos / ethermint-archive
  Ethereum on Tendermint using Cosmos-SDK!
  ☆666Updated 4 years ago
• AugurProject / augur-ui
  Augur UI
  ☆399Updated 2 years ago
• Achain-Dev / Achain
  Achain blockchain
  ☆174Updated 5 years ago
• ethereum / meteor-dapp-wallet
  This is an archived repository of one of the early Ethereum wallets.
  ☆601Updated last year
• neo-project / docs
  NEO Documentation
  ☆195Updated 5 months ago
• peercoin / peercoin
  Reference implementation of the Peercoin protocol.
  ☆576Updated this week
• bluzelle / swarmDB
  Bluzelle is a smart, in-memory data store. It can be used as a cache or as a database.
  ☆225Updated 5 years ago
• ether-camp / ethereum-harmony
  DEPRECATED! Ethereum Independent Peer
  ☆253Updated 5 years ago
• HydraChain / hydrachain
  Permissioned Distributed Ledger based on Ethereum
  ☆357Updated 7 years ago
• CoinBlack / blackcoin
  Original Blackcoin QT wallet. Development moved to Gitlab
  ☆79Updated 3 years ago
• OmniLayer / spec
  Omni Protocol Specification (formerly Mastercoin)
  ☆344Updated 3 years ago
• pipermerriam / eth-testrpc
  Used for testing all maner of Ethereum JSON-RPC interactions.
  ☆163Updated last year
• ethereum / ropsten
  Ropsten public testnet PoW chain
  ☆264Updated 2 years ago
• gobitfly / etherchain-light
  Lightweight Ethereum blockchain explorer
  ☆662Updated 2 years ago
• AltCoinExchange / ethatomicswap
  Ethereum atomic swap
  ☆305Updated 6 years ago
• btc1 / bitcoin
  btc1 project bitcoin implementation
  ☆327Updated 5 years ago
• LedgerHQ / ledger-nano-s
  Ledger Nano S, a personal security device from Ledger (blockchain / bitcoin / ethereum / FIDO)
  ☆279Updated 8 years ago
• ethereumproject / go-ethereum
  Go language implementation of the original/classic design of the Ethereum protocol
  ☆444Updated 5 years ago