KanyeText - Send Kanye lyrics & quotes anonymously
Instagram Caption Writer - Write nice formatted Instagram captions.
Pewdiebot - Chat with the bot version of the king of YouTube, PewDiePie
CaptionBot by Microsoft - Analyzing and describing images by a bot
SerenaBot - A simple chatbot for Serena Williams
Groovebox: Beat & Synth Studio - Make Music & Play Instruments