Solutions for Virtual Filesystems and OS Monitoring

Callback Technologies delivers cutting-edge technology that simplifies the development and implementation of virtual filesystems and operating system request interception. Our products enable the creation of virtual drives and custom storage solutions, as well as the implementation of real-time encryption, access control, system activity monitoring, and other advanced features. Each offering is a comprehensive Software Development Kit (SDK) with all necessary components, drivers, samples, and intuitive well-documented APIs to ensure ease of implementation.


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Our Products


CBFS Connect

CBFS Connect

Create and manage virtual filesystems in your Windows applications.

CBFS Filter

CBFS Filter

Track and control filesystem, registry, and process manager operations.

CBFS Vault

CBFS Vault

Cross-platform library for embedding secure filesystems in your applications.

CBFS Sync

CBFS Sync

Enable bi-directional synchronization between local and cloud storage.

CBFS Shell

CBFS Shell

Extend and customize Windows Explorer with Virtual Folders, Custom Menus, and more.

Expert Support

Support is not just a part of our business, support is our business. Whenever you need help, please consult the resources below.

Find answers to questions about products and services.

View our online product documentation and tutorials.

Online support is FREE. Phone/email Premium Support is also available.