Mattermark Daily - A curated newsletter of blog posts from investors & founders
Bieber Bomb - Text bomb your friends random Justin Bieber lyrics
Folloh - It brings all the news you want from around the web
SelenaBot - A chatbot of Selena Gomez on Facebook Messenger
LetterHunt - LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
kanye.rest - A free REST API for random Kanye West quotes