Talent roster for individuals and firms (talent pools - not ATS).
Find an accountant online - verification network.
Legitimate review site for mountain bikes (expand to other verticals).
Meeting Rater - anonymously ask for meeting participants feedback after meetings via Slackbot.
Online Meal Support for eating disorders patients
Track meet for adults
Online job shadowing
Rewrite internet algorithm via browser extension to make your browsing experience more positive.
Door to door sales network for emergency goods (earthquake kits)
Non-biased software reviews from who's actually using them
Google Translate API for conversations with yourself
Online nutrition coach who deals with your online ordering on Instacart
Insured bike lockers Vancouver
Portable standing desk that just clips to wall.
Personal style service for men.
Tinder optimization service by women for men.
Window cleaning business in a box
Yelp for landlords
Personal finance comparison dashboard
Hotwire for wine
Customer analytics using Stripe API
IFTT for doing everyday micro-annoyances