Flow by Plume Labs - The smart air quality tracker to help you find clean air
RentHoop - Tinder for finding roommates
Pollen Count Chrome Extension - Quick and light pollen checker for your local area. Simply enter your postcode, zip code or town/ city name and it will list pollen counts for up to 15 different plants from trees to grasses and weeds.
Pack - Makes it simple to find the best roommates.
AirVisual - Air quality information you can trust
OurFlat - Groceries, bills, calendar, chores & chat for any household.