Notepad++

or

Sorted in alphabetical order.

How to set up Notepad++
How to set up Notepad++:
How to use Notepad++ to create a log file
The original Notepad of Microsoft Windows has a nice feature to create log files: Save a new file with the text .LOG as its first characters and a timestamp will be appended on subsequent openings.
Notepad++: Run command
How to add custom commands to the Run menu.