IOTA – The Economy of Things the official website: “IOTA enables companies to explore new business-2-business models by making every technological resource a potential service to be traded on an open market in real time, with no fees.”
IOTA GitHub <- get your wallet ONLY from here
IOTA Slack, one of the biggest and most informative; not too many trolls either. (10,739 members on July 9th, 2017)
Cool IOTA Nodes site with a bundle of IOTA links
Cool Blox Tangle Visualizer
IOTA ledger, check the confirmation times here
IOTA’s AMA (“Ask Us Anything”) on Reddit
Tangleblog’s YouTube channel devoted to IOTA is here.