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: Pencil Project is a free and open source GUI prototyping and mockup tool. It allows users to create wireframes and prototypes for software interfaces and websites quickly and easily, without programming knowledge.
Type: software
Pricing: Open Source