Crowdholding - https://www.crowdholding.com/  - Startups get thoughts + ideas + feedback from general public
KR8OS - https://kr8os.com/  - Removing the ambiguity and potential fraud in advertising on Ethereum blockchain. Note I am employed under KR8OS.
Confideal - https://confideal.io/ - Fast and safe deals through smartcontracts on Ethereum blockchain