veresdenialex S-Log to Rec709
Free Sony S-Log to Rec709 LUT and PowerGrade, works across camera brands.
How to install this in DaVinci Resolve
Open the Color page in DaVinci Resolve, then in the Gallery panel create or select a PowerGrade Album. Drag the downloaded .drx file into that album. To use it, right-click any clip's node graph and choose "Apply Grade", or drag the PowerGrade thumbnail directly onto a node.