Description: LeetCode is an online platform for preparing technical coding interviews. It contains a large database of coding questions and allows users to practice and submit solutions to these questions, track progress, participate in contests, and more.
Type: software
Description: Maxima is an open-source computer algebra system that provides symbolic computation capabilities. It can manipulate mathematical expressions, differentiate and integrate functions, solve equations, work with matrices, graphs, and more. Useful for STEM fields like math, engineering, physics.
Type: software
Pricing: Open Source