Helpful user contributed resources
For beginners refer to the Installation procedure. The recommended guides are the Ubuntu and Debian specific guides.
FAQ
Installation Procedure
Ubuntu specific guides (currently more updated than official guides)
Common problems migrating from old versions to new versions
API installation/validation guide- (use the link above first, if you face problems, refer to this link)
Using a dedicated Hard Drive - Adding HDDs.
Single Board Computers - Notes for ARM.
GPU passthrough in VMWare - Notes on using GPUs with Zoneminder running in a virtual machine
Supported
MobileDevices - View ZM from your phone.
Third party
Utilities - Large list of software for ZM
Infrared Leds, Cameras, DC-DC converters etc
Arduino - Electronic hardware built for use w/ZM
External resources of information related to ZM
Community documentation
Various Learnings from getting Zomeminder 1.28.1 working well on Ubuntu Server 14.04
CCTV Laws
California Report on Public Video Surveillance