Solutions for Virtual Filesystems and OS Monitoring

Callback Technologies develops tools that simplify filesystem implementation and operating system request interception. Our products help you create virtual disks and custom storage solutions, implement on-the-fly encryption, restrict access, audit and control system activity, and more. Each product is a complete Software Development Kit (SDK) that includes components, drivers, demos, and a well-documented API.


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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 Storage

CBFS Storage

Create virtual drives and disks backed by secure embedded filesystems.

CBFS Direct

CBFS Direct

Directly access raw disk and memory contents in Windows.

CBFS Cache

CBFS Cache

A caching component designed from the ground up to work with virtual filesystems.

CBFS FUSE

CBFS FUSE

Create cross-platform virtual filesystems using a FUSE-like API.

CBFS Vault

CBFS Vault

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


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.