On-Screen Ruler - lightweight, free, semi-transparent ruler
HakuNeko - HakuNeko is an all-in-one cross-platform utility that supports you to download manga and anime with various website support.
Meazure - What are the dimensions of that image? How big is this window?
Free Manga Downloader (Unofficial Build) - Forked from https://sf.net/p/fmd/. Contribute to riderkick/FMD development by creating an account on GitHub.
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
HDoujin Downloader - A powerful doujin/manga downloader that supports hundreds of different websites.