Callback Technologies

Component Libraries: CBFS Shell

The easiest way to extend and customize Windows File Explorer with virtual folders, custom menus, toolbars, detail columns, and more. Available in .NET, Go, Python, C++, Delphi, and Rust editions. Licensed per-developer with a Single Developer Subscription (Royalty-Free License).

Component Libraries: CBFS Sync

A cross-platform library enabling seamless synchronization between local filesystems and cloud storage or other remote repositories. Available in .NET, Java, C++, Go, Delphi, Rust, macOS, and Python editions. Licensed per-developer with a Single Developer License (No Deployment).

Component Libraries: CBFS Vault

A cross-platform library for embedding secure filesystems in applications. Packages multiple files into a single Vault with per-file compression, transparent encryption, and random read/write access. Available in .NET, C++, Delphi, Rust, Go, Python, Java, and macOS editions. Licensed per-developer with a Single Developer Subscription (Royalty-Free License).

Kernel Drivers: CBFS Connect

The leading SDK for creating and managing virtual filesystems from almost any type of storage. A kernel driver library supporting Windows, Linux, and macOS. Available in .NET, Java, C++, macOS, Delphi, Go, Rust, and Python editions. Licensed per-developer. OEM/enterprise licensing available with source code and deployment rights.

Kernel Drivers: CBFS Encrypt

A filter driver library that allows developers to protect files with on-the-fly encryption and decryption while granting access only to trusted processes. A kernel driver SDK for Windows. Available in Delphi, Python, Go, Rust, Java, .NET, and C++ editions. Licensed per-developer. Released April 2026.

Kernel Drivers: CBFS Filter

A filter driver library that allows developers to track and control filesystem, registry, and process manager operations. A kernel driver SDK for Windows. Available in .NET, Delphi, Python, Java, Go, C++, and Rust editions. Licensed per-developer. OEM/enterprise licensing available with royalty-free distribution rights.

Kernel Drivers: PCAP Filter

A cross-platform driver and component library that simplifies real-time network packet capturing and filtering. Available in .NET, Rust, C++, Python, Delphi, Java, and Go editions. Licensed per-developer. Released April 2026.

Virtual Drive Applications: AES Drive

An easy-to-use utility that keeps files securely encrypted on disk. Decrypted files are available at the user's fingertips yet always remain encrypted on disk.

Virtual Drive Applications: Azure Drive

An easy-to-use utility that accesses files in Azure File Storage via a local virtual drive. Users can browse and interact directly with remote files as if they were on their local machine.

Virtual Drive Applications: CBFS Disk

A library for creating and managing virtual disk drives backed by standalone datastores. Listed as a standalone product on the products page and footer navigation. Not included in the CBFS Developer Subscription.

Virtual Drive Applications: DAV Drive

An easy-to-use utility that quickly connects to remote WebDAV servers through a local drive. Users can browse and interact directly with remote files as if they were on their local machine.

Virtual Drive Applications: NFS Drive

An easy-to-use utility that connects to any Network File System (NFS) server as local drives. Users can browse and interact directly with remote files as if they were on their local machine.

Virtual Drive Applications: S3 Drive

An easy-to-use utility that mounts Amazon S3-compatible storage as local drives. Users can browse and interact directly with remote files without creating local copies.

Virtual Drive Applications: SFTP Drive

An easy-to-use, cross-platform utility that mounts SFTP servers as local drives. Once connected, users can browse and work with files as if they were stored on their local machine.