Defraggler

One of the best free programs to defrag hard drives

DiscSpy

Optimize the space available on your hard drives

My Defragmenter

Analyze and defrag your hard drive

Disk Space Fan

Discover how your hard drive is distributed

Disk Wipe

Erase and clean your hard drives

Diskeeper

Great tool to defrag your hard drive

MyDefrag

An excellent and totally free defrag application

SlimDrivers

Scan your computer and update all the drivers automatically

Driver Booster

App to automatically update drivers

SpaceSniffer

Discover in a single glance how you hard drive space is distributed

Xinorbis

Analyze the content of your hard drives very thoroughly

Active Hard Disk Monitor

Check you hard drives status

Zentimo xStorage Manager

Useful tool to manage your pendrives

Disktective

Analise the space on your hard drives

Smartmontools

Monitor the status of your hard drives

WinImage

Create, open and mount disc images

Microsoft Sticky Notes

Sticky notes for your PC's desktop

Notion

Advanced task, list and note management for PC

TickTick

Teamwork oriented task manager

MeisterTask

Team-oriented task manager

Evernote

Capture your ideas as notes

GTD-Free

Full control over all pending tasks

Airtable

Application for the management of business projects

Microsoft To-Do

An efficient task manager designed by Microsoft

Trello

Organize pending tasks and ideas

Glass Notepad

A notepad with transparencies

MetaMoJi Note Lite

Keep all your ideas and notes

InfraDrive Digital Diary

Complete personal diary with many tools

Post It Notes

Program to create virtual post-its and notes

Focus To-Do

Manage your productivity with the help of the Pomodoro technique

Wunderlist

Useful and simple task manager