YouTube is a place to discover, watch, upload and share videos.

Multi-language mechanical and technical calculation package includes solutions for gear, belt and chain drives, bearings, springs, beam, shaft, bolt c...

Twitter is without a doubt the best way to share and discover what is happening right now.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with fr...

Freesound: collaborative database of creative-commons licensed sound for musicians and sound lovers. Have you freed your sound today?

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest qualit...