Sumatra PDF Viewer is a lightweight, very quick alternative to Adobe Reader for Windows. The open source application is just 1.2 MB (Adobe Reader takes up 199 MB after installation) in size and uses about 11 MB of RAM on my system (compared to 55 MB for Adobe Reader - tested on a single page PDF):
Sumatra PDF Viewer is not a fully-featured application, but it's perfect for quickly opening a PDF, even on an old computer.
Download Sumatra PDF
The focus is to build a small and simple program that starts up fast and offers basic features needed for comfortable on-screen viewing of PDF files. Simplicity and elegance have higher priority than additional features.
Sumatra PDF Viewer is not a fully-featured application, but it's perfect for quickly opening a PDF, even on an old computer.
Download Sumatra PDF
[via lifehacker]
