Racing Games

IELTS Preparation (sites)

Email Spam Checking (tools)

Online tools to check if your emails are being marked as spam or if your domain has been blacklisted.

Meme Generators (tools)

Online tools to make memes.

Modeling Agencies

Continuous Integration Tools

Tools, solutions and software for Continuous Integration, Delivery or Testing

Books (online shopping)

Sites that sell books.

Pharmaceuticals Companies

GRE Preparation (sites)

Real Estate (Apps & Portals)

Buy, Sell & Rent Properties on these sites and apps.

Recommender Systems (open-source)

This list contains most of the non-SaaS recommender systems that are open-source.

Music Streaming (apps)

Websites and apps for listening to music online.

Price Tracking Sites (online shopping)