53. EipsThe Ethereum Improvement Proposal repository
54. Solc JsJavascript bindings for the Solidity compiler
55. CasperCasper contract, and related software and tests
58. BtcrelayEthereum contract for Bitcoin SPV: Live on https://etherscan.io/address/0x41f274c0023f83391de4e0733c609df5a124c3d4
59. ShardingSharding manager contract, and related software and tests
61. Devp2pEthereum peer-to-peer networking specifications
62. AlethAleth – Ethereum C++ client, tools and libraries
63. LahjaLahja is a generic multi process event bus implementation written in Python 3.6+ to enable lightweight inter-process communication, based on non-blocking asyncio
65. Ethereum Org[ARCHIVED] ethereum.org website from 2016-2019. See https://github.com/ethereum/ethereum-org-website for current version.
67. PopulusThe Ethereum development framework with the most cute animal pictures
68. FeEmerging smart contract language for the Ethereum blockchain.
70. alethzeroFormer home of AlethZero, AlethOne and AlethFive (cpp-ethereum)
76. plasmaNo description, website, or topics provided.
80. retestethtesteth via RPC. Test run, generation by t8ntool protocol
84. www[ARCHIVED] Ethereum website from 2015
85. pyrlpThe python RLP serialization library
88. actSmart contract specification language
89. eth-keyfileTools for handling the encrypted keyfile format used to store private keys.
90. evmcodegenA synthetic evm bytecode generation library and cmdline utility to fuzz the ethereum stack machine
93. ddhtPython implementation of Discovery V5 Protocol
98. beacon-APIsCollection of RESTful APIs provided by Ethereum Beacon nodes
100. node-ethereum[DEPRECATED] a simple standalone or embeddable Ethereum client written for Node.js