Watch multiple videos simultaneously. This is helpful for the following use cases:

• psychology experiments with multiple camers and audio lines
• ...

Get started: https://thomasfrei.de/synCode/v2/

Shortcuts:

p   Play / Pause
h   Jump 2s back
l   Jump 2s forward

Toggle sound:
1   Video 1
2,3,4,5   

Example:

npm start

npm run build

See https://github.com/react-boilerplate/react-boilerplate for more info about commands.