Pingo - Optimize images for the web quickly 🖼️⚡

Ethical Resources - Huge repository of ethical alternatives to mainstream stuff

Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.

Greenlight - An app that grades and recommends sustainable shopping.

Blooket - Blooket is an interesting application that provides you with a wide range of features to create activities for class engagement.

Swag Fair - Sustainable swag made by small businesses