Everybody has their favourite set of tools they use. Here is mine. Most of them are probably quite popular, but in case somebody did not know I list most of them here.
Regarding the browser, on my laptop I have Internet Explorer, Firefox, Chorme, and Opera. Most of the time I use Chrome, but I hate how it caches pages. Sometimes I have to switch to another browser as hard-refresh (CTRL+F5) does not reload page as it should. Sticking back to Chrome, there are few add-ons which make my life easier:
Beside I use a lot of other software: