Nuls
Nuls provides a modular, pluggable architecture for the blockchain. Nuls allows customizable modules to be created, to suit the needs of the developer, and the project. This allows companies the flexibility to integrate their systems with the blockchain as they require, on either private or public chains.
Available since: November 2017
Current price: $3.28
Market cap ~ $77, 000, 000 USD
(from https://www.coinmarketcap.com)
Website: https://nuls.io
Whitepaper: https://nuls.io/pdf/NulsWhitepaper1.1.pdf?vt=20180205
Twitter: https://twitter.com/nulsservice
Telegram: https://t.me/Nulsio
Main Exchange:
This is not financial advice, just part of my own research.
Links to my other reviews:
Bounty0x:
https://steemit.com/cryptocurrency/@evermore-crypto/bounty0x
Dragonchain:
https://steemit.com/cryptocurrency/@evermore-crypto/dragonchain

