When comparing One commander vs Q-Dir (the Quad Explorer), the Slant community recommends Q-Dir (the Quad Explorer) for most people. In the question“What are the best file managers for Windows?” Q-Dir (the Quad Explorer) is ranked 4th while One commander is ranked 8th.
Ranked in these QuestionsQuestion Ranking
Free for non commercial use.
Pro Miller columns
Like Finder from macOS.
Pro Multi tab support
Light and Dark and some more.
Pro Default File manager setup
Can make it the default file manager such that windows explorer stays out of the way for most of the work.
Pro Simple and Fast
Fast search and filter.
Pro You can view 4 windows simultaneously
Pro Highly manageable multiple windows
Every window can be separately customized. You can choose between different views from 1 to 4 windows, and every window can have multiple tabs!
Pro You can use tabs in every window
Pro Does not use a lot of RAM
Q-dir with 4 windows and with 4 tabs in every window uses only 39mb of RAM on Win10x64.
Pro Very customizable
Pro Fast and stable
Pro Q-Dir allows you to save folder combinations as a favourite to open any time
Up to 64 folder combinations can be saved in a favorite, since each of the four windows is equipped with tabs (ie 4 x 16 tabs 4 x Tree View plus 4 x Address Bar).