cutestat - Website Stats and Valuation. CuteStat.
Chrome Developer Tool - Develop and Debug Chrome Apps & Extensions. By Google
Rankchart - Rankchart is one of the unique websites that allows you to examine your websites or watch competitors and locate rich information about website technologies, site reputation, errors, SEO, and ad-word recommendations.
GitHub Student Developer Pack - The best developer tools, free for students.
Site Worth traffic - Site Worth traffic is a cost-effective site that is introduced to estimate the value, daily page views, daily visitors, and daily revenue of a website.
Spaceship ZSH - Powerful, customizable Zsh prompt, your own spaceship 🚀