Yardi Voyager - Voyager is software for managing properties and the people who live there. The software is developed by Yardi, a company founded in 1984 that specializes in property management software. Read more about Yardi Voyager.
TortoiseSVN - The coolest interface to (Sub)version control
Buildium - Buildium's software helps property management companies become more efficient and profitable. Start your free trial today, no credit card required!
SnailSVN - Similar to Tortoise SVN for Windows but integrated into Finder
Building Engines - Property management software for commercial real estate work orders, preventative maintenance and inspections.
Xversion - Super easy enterprise class version control.