File managers differ most in layout, platform reach and price. This ranking weighs layout and everyday speed first, then tabs and views, platform coverage, license terms and openness.
Archive tools differ in which formats they create, which they only open, and whether they cost money. This ranking weighs format support and everyday use first, then platform reach, license and encryption.
Cloud storage services differ in how much free space they give, whether they encrypt files end to end and whether you can run them yourself. This ranking weighs free storage and everyday sync first, then privacy, platform reach and paid plans.
Backup tools differ in whether they suit Mac or Windows, whether they run from a graphical app or a terminal, and whether you pay monthly, once or not at all. This ranking weighs restore options and everyday fit first, then platform reach, openness and cost.
Clipboard managers keep a history of what you copy so you can paste earlier items. They differ in platform, sync and price. This ranking weighs history and paste speed first, then sync, platform reach and cost.
App launchers open apps, files and web searches from a keyboard shortcut. They differ mostly in platform, extensions and price. This ranking weighs search and extensions first, then platform reach, openness and cost.
Screenshot tools mostly do the same job: capture the screen and mark it up. They differ in platform, recording support and price. This ranking weighs capture and annotation first, then recording, platform reach, license and openness.
Remote desktop tools let you control another computer for personal access or IT support. They differ in whether you pay, whether you can self-host and which systems they cover. This ranking weighs access and support first, then openness, platform coverage and cost.