QElectroTech - QElectroTech is a free software to create electric diagrams.
FreeFlight Pro - FreeFlight Pro is an entertainment app that comes up with features to help users in piloting their drones right through their mobile phones and other smart devices.
EPLAN Electric P8 - CAE software solution for project planning, documentation and administration of electrotechnical automation projects.
Calculatoredge - calculators, engineering, mechanical, electrical, electronics, design, construction, manufacturing, consultant, layout, software, chemical, plastic, polymers
PCB Droid - PCB Droid is an amazing mobile app that allows you to design printed circuit boards for your DIY projects.
Drone Buddy - Drone Buddy app allows users to receive accurate weather as well as planetary information so you can fly the drone without any issues.