GTD-Free

Full control over all pending tasks

TickTick

Teamwork oriented task manager

MeisterTask

Team-oriented task manager

Post It Notes

Program to create virtual post-its and notes

Notion

Advanced task, list and note management for PC

Wunderlist

Useful and simple task manager

Microsoft To-Do

An efficient task manager designed by Microsoft

Trello

Organize pending tasks and ideas

Glass Notepad

A notepad with transparencies

Microsoft Sticky Notes

Sticky notes for your PC's desktop

Airtable

Application for the management of business projects

Focus To-Do

Manage your productivity with the help of the Pomodoro technique

Basecamp

Effective task manager for teleworking

MetaMoJi Note Lite

Keep all your ideas and notes

Hive

Software for the management of work groups

InfraDrive Digital Diary

Complete personal diary with many tools

WinPcap

Library pack for network managers

Technitium MAC Address Changer

Change your network card's MAC

DameWare NT Utilities

Allows network administrators to improve how they control PCs

Wireshark

Professional network analyzer

Fing

Scan and analyze your computer network

Network Inventory Advisor

Control the software and hardware that connects to your networks

NetSpeedMonitor

Measure your Internet speed

Hamachi

Tool to create virtual private networks

WinBox

Management software for MikroTik routers

Cisco Packet Tracer

Find out how a network behaves

inSSIDer

Scan nearby Wi-Fi connections

RouterPassView

Discover the router passwords that you have forgotten

Nmap

Easily audit your local network

GFI LANguard

Check the vulnerabilities of your LAN network

Open Ports Scanner

Stay informed about which ports are open