Wallet & Web3 Browser: - https://parity.io/parity.html
- http://metamask.io/
Solidity: - https://learnxinyminutes.com/docs/solidity/
- http://solidity.readthedocs.io/
- https://blog.ethereum.org/2016/07/12/build-server-less-appli...
Interacting with Ethereum: - https://geth.ethereum.org/downloads/
- http://truffleframework.com
Tutorials and whatnot: - https://souptacular.gitbooks.io/ethereum-tutorials-and-tips-...
StackExchange: https://ethereum.stackexchange.com/