Tools i use

Based on  my experience, i think these tools are really handy for any one in networking world.. 

Treepad       :  Ideal for anyone taking notes, easy to create tabs and search historically.. 

One Note  :  Ideal for Project managing a project or tracking progress about project. whatever you write gets saved automatically so no need to bother about CTRL+S. 

Notepad++  :  Ideal for reviewing configs. Don't forget about compare plugin. 

winscp           : ftp/scp client. 

Secure CRT    :  Telnet / SSH client.