PuTTY

A terminal emulator to remotely access servers

UpRight

Upload files to Amazon S3

AppServ

Excellent software application to install a web server

FileZilla Server

Powerful FTP Server that's totally free

ArGoSoft Mail Server

Easily install an electronic mail server on any computer

Hermes EMail Server

Efficient free email server

Cerberus FTP Server

Install an FTP server on your computer

Mercury/32

Configure an mail server on your PC

Active Search Engine

Install you own Web search engine on your server

VNC

Control any computer remotely

ShowMyPC

Instant remote access to computers on the Internet

AbsoluteTelnet

Connect to another computer by Telnet or SSH

Apache HTTP Server

Install a powerful web server on your computer

Simple DNS Plus

Create your own DNS server and increase your browsing speed

RaidenFTPD

Incredible FTP server for Windows

Exchange Server 2013

The perfect solution for corporate email

LabVIEW

Development environment for industrial applications

Proteus

Electronic circuit and microprocessor simulator

ProfiCAD

Simple tool with which you can build your electric circuits

SEE Electrical LT

Create electricity projects and their documentation

OrCAD

The best tool to design PCBs

KiCad

Tool for creating electrical diagrams and printed circuit boards

Logisim

Learn everything to be known about digital circuits

Resistance Calculator

Calculate the value of a resistance according to its casing's color

PCB

Carry out your own electronic designs with this software

NI Multisim

The best software to design PCBs

PSpice

Very good circuit analysis software

PCB Wizard

Software to design circuit boards

Zelscope

Have a complete oscilloscope on your desktop

Livewire

Design and simulate electronic circuits