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: Lucidor is an open-source mind mapping and brainstorming software. It allows users to visually organize ideas and concepts into customizable maps and diagrams. Key features include real-time collaboration, importing/exporting maps, and presentation modes.
Type: software
Pricing: Open Source