14 of the Best Free Linux File Managers A file manager is software which provides a user interface to assist in the organisation of files. It helps users with their daily work in managing their files on a hard drive or other storage device. With terabyte hard disks becoming prevalent, file managers represent an essential tool in managing file systems. (Read more) TaskJuggler TaskJuggler helps you to create schedules for your project work, plan resources, provide your cost management with information they require, compare your plan with the current state of your project and much more. Read more