For a successful execution of Option trades, one needs a versatile platform that lets you analyse the trade, conduct back testing, play with various options before placing the trade. I use ThinkorSwim
For crunching numbers, nothing comes close to online Google spreadsheets. I can fetch Stock prices (no option prices). Here is a sample:
For interesting articles and contrarian views, I head over to SeekingAlpha.
For reference, I always have The Bible of Option Strategies