Eagle
Description: Eagle is an electronic design automation (EDA) software used for printed circuit board (PCB) design. It allows schematic capture and laying out of PCBs. Eagle has a free version for non-commercial use, and paid versions with more features.
Type: software
Pricing: Freemium
Skitch
Description: Skitch is a free screenshot annotation and editing tool for Mac and iOS. It allows you to quickly markup, crop, and share images and screenshots.
Type: software