Hi, there are some links to useful pages and tools helpful for every day IP life


Jodies IPv4 subnet calculator - always useful in IPv4 world
IPerf/IPerf3 - fantastic bandwidth measurement tool
Wireshark - best network analizer/sniffer
7Zip - Free file compresor/decompresor
Total Commander - Best file manager (Shareware)
Notepad++ - advanced text editor, good notepad replacement
WinMTR - network monitoring tool - path ping


MX Toolbox - great tool for email administrators
TCPIPUtils - set of Internet tools
HE.NET - Huricane Electric IPv6 knowledge and cert, free DNS
Network Tools - another website with Internet tools
Pixabay - free images and royalty free stock


Panda Cloud Free Antyvirus - light Antyvirus for free for home users. part of scanning process is performed on Panda servers instead local machine. 
Immunet Free Community Antyvirus - light community supported AV
Spybot Search & Destroy - great anti-addware suite