Coinbase Earn - Earn crypto while you learn crypto
SlideLizard - Powerpoint plug-in for live audience interaction
TokenUnion - Earn crypto by holding crypto 📈📈
Pingo - Optimize images for the web quickly 🖼️⚡
Metal Pay - Pay your friends and get up to 5% back in crypto.
Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.