O&O Defrag

oo-software.com

Windows

Spec score 6.4 #20 of 20 in Disk Defragmentation Software

Spec sheet

Professional Edition $49.95, paid once 1 PC Read 20 Sep 2026 · oo-software.com

Btrfsmaintenance Free plan 8.6 Visit

Disk SpeedUp Free plan 8.4 Visit

Avidemux Free plan 8.3 Visit

Autoruns Free plan 8.0 Visit

DymaxIO From $5.75/mo 7.9 Visit

Defragger Free plan 7.7 Visit

Auslogics Disk Defrag From €2.19/mo · Free plan 7.5 Visit

DiskTuna 7.5 Visit