Notepad++ – Edit your code.
Pageant – Using SSH keys for logins.
PuTTY – SSH on Windows.
PuTTYgen – SSH key generator.
HeidiSQL – Edit your mySQL database right on your Windows platform.
Chrome/Firefox – Browser.
FastStone Image Resizer – Resize your images with one shot.
JPEGmini – Compresses your image for the web without much loss.
GIMP – Editing images like Adobe Photoshop for free.
Webpagestest.org – Test your website speed.
Qualys SSL Labs – Test your website SSL security.
Feel free to comment your favorite tools