libpng vs Pao
A side-by-side look at libpng and Pao. For an in-depth review of either product, follow the links below.
libpng
Photos & Graphics
libpng is an open source library that provides an API for manipulating PNG image files. It supports almost all types of PNG files including 1, 2, 4 and 8 bit color channels with optional transparency.
pngimage-processinggraphicsopen-source
Pao
Office & Productivity
Pao is an open-source personal knowledge management and collaboration tool. It allows users to organize personal notes, bookmarks, tasks and documents in a flexible workspace.
personal-knowledge-managementcollaborationnotesbookmarkstasksdocumentsworkspace