(Updated 9/9/2011)BluecherryZoneminder
Open sourceDrivers onlyYes
Network camera supportVersion 2Yes
Video recording methodAudio / Video stream saved to diskUp to 30 jpeg images saved per second, per camera
Windows remote clientYesNo
OSX remote clientVersion 2No
Linux remote clientVersion 2No
View live video from a web interfaceYesYes
View archived video from a web interfaceNoYes
Audio recordingYesNo
Hardware compressionYesNo
Video / Audio output (Analogs card only)YesNo
Ability to use any Video4Linux deviceNoYes
Installation CDYesYes
PTZ ControlYesYes
Motion DetectionYesYes
Video adjustment from ClientYesNo
Schedule recordingYesNo
Sensor / Relay supportYesNo
Email on eventYesYes
Emap positioningYesYes
User access / restrictionsYesYes
Storage on multiple hard drives without RAID / LVMYesNo
Direct filesystem access to recorded filesYesYes
SupportPhone, Email, Live ChatCommunity only