Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
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.
Dropbox - Online Sync and File Sharing
Building Engines - Property management software for commercial real estate work orders, preventative maintenance and inspections.
Microsoft OneDrive - Secure access, sharing & file storage
Innago - Innago offers a cloud-based property management platform for landlords with small to midsize property portfolios. Innago is 100% free to use and comes with a long list of affordable features.