SFTP Library

A rock-solid SFTP Client & Server library that supports strong SSH 2.0 encryption and advanced cryptography.

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Vol. 1 2024 - What's New

The Latest IPWorks SFTP Is Now Available! The most recent version of IPWorks SFTP features a modernized and streamlined experience, including async and cross-platform support in .NET [learn more].

SFTP Library

SFTP File Transfer Components

With IPWorks SFTP developers can rapidly build SSH secured client and server applications for secure file transfer. SSH is a low-level communications protocol providing security via strong encryption and advanced cryptography.

Secure SFTP Client and Server

Support for all major authentication mechanisms, key formats, and encryption algorithms.

Full Support for SSH2

Strong authentication, improved privacy, increased security, and optional compression for faster data transfer.

Uniform & Extensible Design

Very easy to use, with a uniform, intuitive, and extensible design. Common component interfaces across platforms and technologies.

Fully Integrated Components

Native software components for any supported development technology - with no dependencies on external libraries.

Blazing Fast Performance

Based on an optimized asynchronous socket architecture that has been actively refined for over three decades.

Outstanding Technical Support

Backed by an expert team of support professionals. Free Email Support for everyone. Premium Support also available for a fee.

Red Carpet Vol. 1 2024 Now Available

IPWorks, SecureBlackbox, IPWorks VoIP, and more


The latest release of our signature Red Carpet Subscription is now available. Betas of IPWorks and SecureBlackbox are available with major improvements focused on security, performance, and API design. IPWorks VoIP has been released. SecureBlackbox has been updated with improved PDF and XML signing functionality, PGP version 6 support and more.

IPWorks SFTP is available as part of the Red Carpet Subscription. Download IPWorks SFTP or read the update highlights.

Product Features

IPWorks SFTP provides a mature SFTP client and server with a simple-to-use API. Developers can quickly include support for SFTP into any application and use the latest security algorithms and key formats.

  • Support for SSH version 2.0.
  • Security features include strong encryption algorithms such as AES GCM, ChaCha20-Poly1305, and many more. Message integrity checking, secure secret key exchange, and ECDH SSH key exchange algorithms.
  • Support for all major key formats, including PPK.
  • Multi-factor, password, and key based authentication fully supported.
  • A complete unified framework with a common, easy-to-learn object model and simplified interfaces enable you to do more.
  • Use with any SFTP Version (3, 4, 5, or 6).
  • Queue multiple files and upload all simultaneously.
  • Components are thread-safe on critical members.
  • Fast, robust, reliable components that consume minimal resources.
  • Native development components for all supported platforms and technologies.
  • Rigorously tested, rock solid libraries that have undergone hundreds of thousands of hours of testing both internally by our QA team and externally through customer installations.
  • Detailed reference documentation, sample applications, fully-indexed help files, and an extensive online knowledge base.
  • Backed by multi-tier professional support, including free email support and enterprise-level paid support.

Supported Platforms

.NET

.NET Framework & Cross-platform Components

Based on a 100% C# codebase, with no dependencies on native code. The edition of choice for all .NET applications.

.NET

Cross-platform support for Windows, Linux, macOS and anywhere .NET is supported. Due to OS limitiations, not all features are available on all operating systems. Native libraries are also available for individual platforms.

  • Fully-managed .NET components written in C#.
  • Support for .NET 8, .NET 7, .NET 6, .NET 5, .NET Core 3.1, and earlier.
  • Support for .NET Framework 2.0 - 4.8.
  • Works with Xamarin and MAUI via .NET 6.
  • .NET Standard 2.0 and 2.1 support.
  • Fully asynchronous API available.
  • Cross-platform support.
  • Support for Windows IoT.
  • Comprehensive integrated product documentation.
  • Seamless integration with Visual Studio.
  • Extensive sample applications written in C#.


Java

Pure Java Classes (Java/J2EE)

Pure Java objects exposed through an intuitive API for portability across all major platforms.

Java
  • Pure Java Classes.
  • Includes an extensive library of samples written in pure Java.
  • J2EE version is optimized for sever side development.
  • Seamless integration with popular development environments including JBuilder, Eclipse, and IntelliJ.
  • Support for JDK version 1.7 and up.


C++

C++ Class Libraries (Windows / Linux / macOS)

C++ classes packaged in 32-bit & 64-bit Windows DLLs, and C++ libraries that can be compiled against many Unix flavors, including but not limited to Linux, Solaris, macOS, AIX, FreeBSD, etc. The edition of choice for C++ programming on any platform or C++ development technology.

C++
  • Windows 32-bit & 64-bit C++ class libraries (Windows DLLs).
  • C++ libraries for Unix (Linux, Solaris, FreeBSD, macOS, etc.).
  • Dynamic library (dylib) for macOS development using Swift & Objective-C on Intel and Apple Silicon (ARM64).
  • C++ ARM Support.
  • Extensive library of sample applications and comprehensive documentation.
  • Seamless integration with popular development environments including Microsoft Visual C++.
  • Obfuscated source code available with the Red Carpet Subscription.


macOS

XCFramework for macOS and iOS development

Modern XCFrameworks for building high performance macOS and iOS applications with blazing connectivity capabilities.

macOS
  • Support for native Swift development (including Swift 5)
  • XCFramework packaging for macOS, iOS, iOS simulator, and Catalyst projects
  • Full support for Intel and Apple Silicon (ARM64)
  • Easy integration in XCode 13+
  • Simplified support for Objective-C projects
  • Extensive demo applications and comprehensive documentation


Swift

XCFramework for macOS and iOS development

Modern XCFrameworks for building high performance macOS and iOS applications with blazing connectivity capabilities.

Swift
  • Support for native Swift development (including Swift 5)
  • XCFramework packaging for macOS, iOS, iOS simulator, and Catalyst projects
  • Full support for Intel and Apple Silicon (ARM64)
  • Easy integration in XCode 13+
  • Extensive demo applications and comprehensive documentation


JavaScript

Pure JavaScript for Node.js, Electron and other Platforms

Pure JavaScript classes with no additional dependencies. Optimized for use in Node.js and Electron.

JavaScript
  • Pure JavaScript classes with no dependencies.
  • Support for all major Node.js versions.
  • Seamless integration with Visual Studio Code.
  • Optimized for performance.
  • Comprehensive product documentation with extensive sample applications.
  • Seamless integration with Electron.


Delphi

Delphi VCL Components

Native Delphi VCL components with no external dependencies. It features the same trustworthy components that come with other editions, available as native Delphi VCLs for real Delphi performance.

Delphi
  • Native Delphi VCL and FMX components.
  • Extensive Delphi sample applications.
  • Comprehensive integrated product documentation.
  • Support for Lazarus IDE and Free Pascal.
  • Support for all Delphi versions between Delphi 6 and RAD Studio 12.
  • Support for Windows, Linux and macOS.


C++ Builder

C++ Builder VCL's

Native C++ Builder components, written in C++ and compiled with the C++ Builder compiler for blazing performance. The natural choice for C++ Builder programming.

C++ Builder
  • Native C++ Builder components.
  • Extensive C++ Builder sample applications.
  • Comprehensive integrated product documentation.
  • x86 and x64 platform support.
  • Support for all C++ Builder versions between C++ Builder 2009 and RAD Studio 12.


PHP

Cross-platform PHP Component Libraries

Cross-platform PHP component libraries / extensions for development on Windows, Unix, Linux, macOS, etc.

PHP
  • 32-bit & 64-bit PHP libraries (Windows DLLs).
  • PHP libraries for Unix (Linux, Solaris, FreeBSD, macOS, etc..).
  • Support for PHP versions 5.2 through 8.3.
  • Extensive library of sample applications and comprehensive documentation.
  • Obfuscated source code available with the Red Carpet Subscription.


Python

Python modules (Windows / Linux / macOS)

Python modules for Windows, Linux, and macOS available for use in Python 3.

Python
  • Python modules for Windows, Linux, and macOS.
  • Support for Python 3.
  • Comprehensive documentation.
  • Easy installation using PIP.
  • Extensive library of sample applications.


Android

Pure Java Beans, Optimized for Android

Highly optimized pure JavaBeans for integrating blazing connectivity into Android applications.

Android
  • Pure Java Beans Optimized for Android.
  • Includes an extensive library of sample applications written in pure Java.
  • Seamless integration with popular development environments including Android Studio.


iOS

XCFramework for iOS development

Modern XCFrameworks for building high performance iOS applications with blazing connectivity capabilities.

iOS
  • Support for native Swift development (including Swift 5)
  • XCFramework packaging for macOS, iOS, iOS simulator, and Catalyst projects
  • Full support for Intel and Apple Silicon (ARM64)
  • Easy integration in XCode 13+
  • Simplified support for Objective-C projects
  • Extensive sample applications and comprehensive documentation


Qt

Qt Class Libraries (Windows / Linux / macOS)

High-performance Qt classes packaged in 32-bit & 64-bit Windows DLLs; and C++ libraries that can be compiled against Linux, macOS, FreeBSD, and more. The edition of choice for Qt development on any platform.

Qt
  • 32-bit & 64-bit C++ class libraries (Windows DLLs).
  • C++ Libraries for Unix (Linux, macOS, FreeBSD, etc.).
  • Support for Qt 4.8, Qt 5, and Qt 6.
  • Seamless integration with Qt Creator.
  • Obfuscated source code available with the Red Carpet Subscription.


Linux

C++ Class Libraries (Unix / Linux)

C/C++ libraries that can be compiled against any Linux or Unix OS. The edition of choice for C++ programming on any platform or C++ development technology.

Linux
  • C/C++ Libraries for Unix (Linux, Solaris, FreeBSD, macOS, etc..).
  • Seamless integration with popular development environments including Microsoft Visual C++.
  • Compilable source code for compilation on various Unix platforms.
  • Framework for macOS & iPhone development using Swift & Objective-C (Cocoa).
  • Extensive library of sample applications and comprehensive documentation.
  • Obfuscated source code available with the Red Carpet Subscription.


Components for Secure SSH Communications

The following components are included in IPWorks SFTP. Please note that due to platform limitations, not all components are available in all editions.

Included Samples

The following sample projects are installed with the product. Please download the trial to get started.

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Starting at $399

IPWorks SFTP includes everything needed to add Secure SSH Communications to any application - on any platform or development technology.

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