Smartmontools

Monitor the status of your hard drives

Driver Booster

App to automatically update drivers

Defraggler

One of the best free programs to defrag hard drives

SpaceSniffer

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

SlimDrivers

Scan your computer and update all the drivers automatically

Zentimo xStorage Manager

Useful tool to manage your pendrives

DiscSpy

Optimize the space available on your hard drives

Active Hard Disk Monitor

Check you hard drives status

My Defragmenter

Analyze and defrag your hard drive

Disk Space Fan

Discover how your hard drive is distributed

MyDefrag

An excellent and totally free defrag application

Disk Wipe

Erase and clean your hard drives

WinImage

Create, open and mount disc images

Disktective

Analise the space on your hard drives

Diskeeper

Great tool to defrag your hard drive

Xinorbis

Analyze the content of your hard drives very thoroughly

GTD-Free

Full control over all pending tasks

MeisterTask

Team-oriented task manager

Microsoft To-Do

An efficient task manager designed by Microsoft

TickTick

Teamwork oriented task manager

Airtable

Application for the management of business projects

InfraDrive Digital Diary

Complete personal diary with many tools

Focus To-Do

Manage your productivity with the help of the Pomodoro technique

Evernote

Capture your ideas as notes

Trello

Organize pending tasks and ideas

Post It Notes

Program to create virtual post-its and notes

Notion

Advanced task, list and note management for PC

Glass Notepad

A notepad with transparencies

MetaMoJi Note Lite

Keep all your ideas and notes

Wunderlist

Useful and simple task manager

Microsoft Sticky Notes

Sticky notes for your PC's desktop