Chrome Developer Tool - Develop and Debug Chrome Apps & Extensions. By Google
DHIS2 - Manage aggregate data with a flexible data model which has been field-tested for more than 15 years.
GitHub Student Developer Pack - The best developer tools, free for students.
Ona - Mobile Data Collection solution and application that empowers field teams. Ona provides a web and mobile app that allows the monitoring of real time field data both online and offline.
Spaceship ZSH - Powerful, customizable Zsh prompt, your own spaceship 🚀
Enketo Smart Paper - Web forms evolved. Deploy and conduct surveys that work without a connection, on any device.