IOTA is one of the best cryptocurrency project. IOTA is a protocol for Internet of Things devices and allows micro-transactions and scalability, with absolutely no fees for transactions, and no miners.
The developers are very active and offering many tutorials to build your own project based on IOTA and their Tangle protocol.it eliminates most of the problems Facing other Cryptocurrencies and eliminates the extra fees users have to pay miners. It is "unforkable".
Would gladly recommend people to make use of this crypto currency it's got unbelievable potentials.