Callback Technologies Vol. 1 2025 Update

Our latest update is now available, featuring multiple new products, new components, and expanded support for macOS. Key highlights of this release include:

NFS SDK [Beta] - New Product Release

NFS SDK is a new cross-platform library for NFS 4.0 that enables easy implementation of both the client-side and server-side of the Network File System protocol. NFS SDK handles protocol details and translates NFS messages into an event-driven API. Developers can write custom code in each event handler to determine how the client and server behave, facilitating expanded NFS support to non-file resources, distributed data sources, and more.

Please refer to our getting started guides for the NFS Client and NFS Server components for more details.

DAV SDK [Beta]

DAV SDK is a new development toolkit for building WebDAV servers & clients that can serve and access data from anywhere. DAV SDK provides developers with the opportunity to execute custom code during every key WebDAV event. Whether you are integrating external data stores like databases or highly-secure servers, handling unconventional use cases, or enhancing security with maximally granular control over access and permissions, DAV SDK gives you the flexibility to tailor your WebDAV servers & clients to your exact needs.

Please see our Getting Started Guide to learn more about building WebDAV servers that virtualize remote file access.

Cloud Files SDK [Beta] - New Product Release

Cloud Files SDK is a new suite of client components for integrating popular cloud storage services into your applications. Seamlessly interface with platforms like OneDrive, Google Drive, Amazon S3, Azure Blob, Dropbox, SharePoint, and more while leveraging simple, intuitive component APIs. Cloud Files SDK provides dedicated components for each cloud storage platform, so you can easily write code that takes advantage of differences between hosting solutions.

Getting started guides for Amazon S3, OneDrive, Google Drive, and Azure Blob Storage provide additional details on how to work with the most popular cloud storage providers.

PCAP Filter [Beta] - New Product Release

PCAP Filter is a development library for building advanced network filtering and monitoring software. Maximize control over packet capturing and analysis without needing to write any low-level driver code. Built on proven technologies like libpcap, npcap and Winpcap, PCAP Filter supports industry-standard filter expressions like those used in Wireshark and tpcdump.

CBFS Shell - New ShellOverlays Component

CBFS Shell makes it easy to develop Windows File Explorer extensions that add context, convenience, control, and more. With a simple suite of components, you can tailor File Explorer to your users' exact needs.

The latest release includes a new ShellOverlays component for displaying custom overlay icons in Windows File Explorer to enhance visual clarity. To see how you can easily add custom icons to your Shell extensions, please read our Getting Starting Guide.

Improved macOS Experience

New built-in NFS support simplifies the use of multiple products on macOS by eliminating the need to install a kernel-mode driver. In addition to a vastly improved installation experience, this also provides increased stability.

Components that leverage the new seamless macOS experience include the FUSE component in CBFS Connect and CBVaultDrive in CBFS Vault.