2. All source code of Ethereum (official)
3. Ethereum official documents
4. Ethereum network status address (official)
5. Ethereum resource website (official)
6. Solidity programming document (official)
7. Ethereum network scan (official)
Note: This website provides various statuses of the Ethereum network, such as account details, TOKEN details, difficulty details, block details, which is very convenient and intuitive:
10. Ethereum Chinese enthusiast website
11. The real-time communication website of Ethereum's gitter
12. The official forum of Ethereum
13. Ethereum development framework Truffle
14. Ethereum development framework dapple
15. Ethereum official recommended development framework Meteor manual
Link: https://www.jianshu.com/p/9af8fd61f760