Squarespace Start - Build a simple website right from your mobile phone.
OpenMCT by NASA - A web based mission control framework
Wix App - Discover a new way to manage your website, business and blog
Themeshaker - It's a web application and filtering tool to find WordPress themes quickly and easily.
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.
SiteSee - Curated gallery of beautiful, modern websites.