Open Source Projects starting with Q
Project website: http://www.lifewithqmail.org/
Project Information: Qmail is an Internet Mail Transfer Agent (MTA) for UNIX-like operating systems.
Books on Qmail:
Project website: https://www.qgis.org/
Project Information: QGIS is the leading Open Source Desktop GIS. The multi platform GIS allows to display, map, edit and analyze 2D and 2.5D geodata. While originally designed as an easy to use Desktop GIS, it is now a GIS platform which also includes geo web services, a development platform and mobile GIS. QGIS runs on Linux, Mac OSX, Windows and Android.
Books on QGIS