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: Symbolab is an online math solver and calculator that provides step-by-step solutions for algebra, trigonometry, calculus and more. It can solve equations, simplify expressions, factor polynomials, plot graphs and more.
Type: software