Checkout the NodesofValue.com Phore review: http://nodesofvalue.com/phore-masternodes-deep-dive-analysis/

Also might be of interest:
Curated list of Masternodes, Masternode Services and Masternode articles. http://nodesofvalue.com/masternodes/
Curated list of Revenue Generating tokens http://nodesofvalue.com/revenue-generating-coins/
Passive Income News for October: http://nodesofvalue.com/crypto-passive-income-news-for-october-2018/