About Callback Technologies

The leading provider of development toolkits for virtual file storage, access control, system monitoring, and security.



For over two decades, developers at some of the world's most prominent Fortune 500 and Global 2000 companies have trusted Callback Technologies' components and system drivers to build secure file storage solutions and virtual filesystems. Some of our clients include Amazon, Microsoft, Adobe, Intel, LG, etc.

Our engineers have expert knowledge of kernel-level systems programming, filesystem architectures, and security technologies. Whether you are a tech giant or a small enterprise, our products and experienced technical support team will supply you with everything you need to create secure, rock-solid, world-class solutions.

Callback Technologies is a spin-off of /n software (www.nsoftware.com), a leading provider of communications and security components with a 25-year history of supporting tens of thousands of developers worldwide. Callback Technologies continues to be affiliated with /n software, and the two engineering teams work together to share expertise, underlying technology and tools, and knowhow in order to enhance user experience, improve product quality, and position the product lines for future growth.

NC Map
  • Located in the North Carolina Research Triangle, a thriving tech hub
  • Decades of combined experience in systems and security engineering
  • Recognized for outstanding service and support

We Power Leading Brands Worldwide

Leading brands trust our technology to power their commercial solutions. Companies identified as leaders and visionaries by the Gartner Magic Quadrant for Content Collaboration Platforms, such as Microsoft, Citrix, Engyte, Blackberry and other OEM clients, use our products as part of their cloud file storage offerings. Other leading tech companies, including Intel, HP, and Seagate, also rely on our products to develop custom file storage and monitoring software.

Case Studies

Learn more about how our clients use Callback Technologies products to build powerful file sharing and collaboration solutions.

Case Studies
  • Absolute Logo
  • Adobe Logo
  • Amazon Logo
  • Barracuda Logo
  • Blackberry Logo
  • Carbonite Logo
  • Century Link Logo
  • Citrix Logo
  • Cloud Berry Logo
  • Egnyte Logo
  • France Telecom Logo
  • Gen Dyn Logo
  • Hitachi Logo
  • HP Logo
  • Intel Logo
  • J2 Global Logo
  • LG Logo
  • Panasonic Logo
  • Philips Logo
  • Rackspace Logo
  • Seagate Logo
  • Ubi Logo
  • Thales Logo
  • Trend Micro Logo