OSUG

There are a lot of under water drones that are invented to suffice the needs to capture what is under the water but those things limit only on a specific range of where it can go.

For this reason, OSUG was created! Basically, this one was inspired to extend the duration of underwater exploration platforms.

This one is using mostly of

utilized commodity hardware, 3D printed parts and an open-source autopilot to produce a low cost and versatile underwater glider capable of extended missions of up to weeks at a time.

Here, take a look this video.