codeacademy.com – the best place to learn coding online.
noisli.com — ambient noises to help you improve focus and boost productivity.
iconfinder.com – millions of icons for all kinds of projects. Also try icons8.com 53 and flaticon.com 49.
jotti.org – scan any suspicious file or email attachment for viruses.
wolframalpha.com – gets answers directly without searching – see more wolfram tips.
