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
Description: Google Sidewiki was a social annotation tool that allowed users to make comments and annotations alongside web pages from 2009 to 2011. It enabled collaborative annotation functionality for information on websites.
Type: software