Alternatives and similar repositories for density:

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

• iurimatias / TransactionRelay
  Transaction Relay enables transaction fees of Ethereum contracts and transactions to be paid by any Currency
  ☆40Updated 8 years ago
• SpankChain / SpankCard
  An in-browser Ethereum wallet with support for payment channels
  ☆50Updated 6 years ago
• mrsmkl / truebit-plasma
  Template for implementing Plasma child chains with Truebit
  ☆50Updated 7 years ago
• GridPlus / cryptobridge-contracts
  Smart contracts for trustless bridges
  ☆75Updated 4 years ago
• lEthDev / Perun
  ☆25Updated 6 years ago
• ledgerlabs / toy-state-channels
  An educational "toy" implementation of fully abstracted state channels
  ☆49Updated 8 years ago
• zeppelinos / zos-lib
  Deprecated repo in favour of https://github.com/zeppelinos/zos
  ☆62Updated 6 years ago
• izqui / keybase-ethereum-registry
  ☆34Updated 7 years ago
• gnosis / dx-contracts
  🇳🇱✖️DutchX core smart contracts
  ☆45Updated 5 years ago
• federicobond / solcheck
  A Solidity linter written in JS
  ☆32Updated 7 years ago
• makerdao / token-auction
  Continuous Splitting Token Auction
  ☆21Updated 3 years ago
• SpankChain / chainsaw
  Simple Ethereum event tracking
  ☆54Updated 6 years ago
• ethereumjs / ethereumjs-account
  Project is in active development and has been moved to the EthereumJS VM monorepo.
  ☆46Updated 4 years ago
• barryWhiteHat / libsnark-tutorial
  A zkSNARK tutorial and development environment
  ☆16Updated 6 years ago
• jtremback / avocado
  ☆42Updated 8 years ago
• obscuren / whisper-payment-channel
  Sample payment channel using whisper
  ☆36Updated 9 years ago
• TrueBitFoundation / incentive-layer
  [DEPRECATED] Incentive layer contracts and deployment information.
  ☆31Updated 6 years ago
• voltairelabs / plasma
  Ethereum plasma implementation
  ☆49Updated 6 years ago
• dob / tap
  Transaction Attestation Platform for Ethereum smart contracts
  ☆13Updated 8 years ago
• raineorshine / solidity-sha3
  Solidity sha3 in Javascript.
  ☆44Updated 6 years ago
• TPL-protocol / tpl-contracts
  Proof of concept for the contracts implementing TPL
  ☆73Updated 3 years ago
• SpankChain / old-sc_auction
  A state channels ICO auction contract.
  ☆23Updated 7 years ago
• Consensys / Project-Alchemy
  Ethereum-Zcash Integration effort
  ☆66Updated 5 years ago
• GridPlus / client
  The Grid+ Agent client used to connect to our network
  ☆33Updated 6 years ago
• boardroom-project / boardroom-contracts
  A repo for all BoardRoom contracts.
  ☆34Updated 7 years ago
• TrueBitFoundation / scrypt-interactive
  [DEPRECATED] Truebit Verification for Scrypt
  ☆46Updated 6 years ago
• raiden-network / raiden-token
  Raiden Token and Issuance Contracts
  ☆45Updated 6 years ago
• loiluu / peacerelay
  Moved to this repo https://github.com/KyberNetwork/peace-relay
  ☆29Updated 7 years ago
• toadkicker / solidity-patterns
  A repo for solidity software design patterns
  ☆59Updated 7 years ago
• tokencard / token
  ☆19Updated 7 years ago