PushCrew - Push Notifications for Websites
Rentberry - Rentberry facilitates the long-term rental process for both tenants and landlords. We help tenants save time on rentals and landlords get true market values for their rental properties.
OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Apart - Prenuptial agreements, but for roommates
iZooto - Engage your mobile and desktop web users with intelligent web push notifications.
Pack - Makes it simple to find the best roommates.