Description: Debuggex is a free online visual regex tester. It allows you to visually construct regex patterns and test them against input strings to see if there is a match.
Type: software
Pricing: Free
Description: Fritzing is an open-source electronics design software that allows users to document their prototypes, share designs with others, and order PCBs. It has a breadboard view, schematic view, and PCB view to design and document electronics projects.
Type: software
Pricing: Open Source