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: SpeedCrunch is a lightweight, open-source desktop calculator. It has a simple, clean interface and supports standard calculator functions, variables, user-defined functions, type conversion, complex numbers, custom constants, and other advanced math features.
Type: software
Pricing: Open Source