Site
Title
Website
https://www.ethereum.org/
Source Code
https://github.com/ethereum
Whitepaper
https://github.com/ethereum/wiki/wiki/White-Paper
Community
Link
🐦 Twitter
https://twitter.com/ethereum
Reddit
https://reddit.com/r/ethereum
Official Forums
https://forum.ethereum.org/
Gitter
https://gitter.im/orgs/ethereum/rooms
Etherscan.io
Blockchair.com
Ethplorer.io
Etherchain.org
beaconcha.in
CoinPaprika
https://coinpaprika.com/coin/eth-ethereum/
CoinMarketCap
https://coinmarketcap.com/currencies/ethereum/
CoinGecko
https://www.coingecko.com/en/coins/ethereum
LiveCoinWatch
https://www.livecoinwatch.com/price/Ethereum-ETH