The nonk 6

 
Description: One of the essentials for a portable collection and getting closer and closer to an all-in-one utility. It hits several of our articles for different purposes and could compete for many more. "It's very effective in freeing up disk space by removing unused and temporary files, cookies, Recycle bin entries, history and cache files in many applications, and much more."
Plus it cleans the registry, manages the startup, uninstalls software, securely erases anything it deletes, wipes the free space and MFT, deletes old system restore points, manages cookies, or runs as a task with the /AUTO command argument. Verified TruPortable.