DeWalt and Ryobi are often counted as two of the ... The second is the Atomic 20V Max Brushless Cordless Oscillating Multi-Tool (DCS354B), which is a bit larger as it is powered by DeWalt's ...
This tool has a pivoting head that allows it to reach those really tricky spots. In the US, Ryobi sells the P343 18V One+ Cordless Oscillating Multi-Tool bare tool for $46.00 via Amazon.