bia.is ethereum tools
This is the index page of some of the tools I use regularly when I work with Ethereum smart contracts. Everything is open source and can be found somewhere under my GitHub profile: http://github.com/maxme/
ABI Decoder − A simple tool that helps you to decode Ethereum transactions if you have the ABI.
ABI2Solidity − Convert an ABI to a Solidity interface.
ERC20 Watcher − Watch real time ERC20 Transfer events. Example: watch OMG events.