(Updated 10/4/2014)BluecherryZoneminder
Open sourceDrivers and Client onlyYes
Network camera supportYesYes
Video recording methodAudio / Video stream saved to diskUp to 30 jpeg images saved per second, per camera
Windows remote clientYesNo
OSX remote clientYesNo
Linux remote clientYesNo
View live video from a web interfaceYesYes
View archived video from a web interfaceNoYes
Audio recordingYesNo
Hardware compressionYesNo
Ability to use any Video4Linux deviceNoYes
Installation CDYesYes
PTZ ControlYesYes
Motion DetectionYesYes
Video adjustment from ClientYesNo
Schedule recordingYesNo
Email on eventYesYes
User access / restrictionsYesYes
Storage on multiple hard drives without RAID / LVMYesNo
Direct filesystem access to recorded filesYesYes
SupportPhone, Email, Live ChatCommunity only