SocketTools Library Edition

Catalyst Development Corp.Communication & Messaging ToolsWindows DLL
Version 12.0.3024.1286 (Jun 17, 2026)

Native Windows libraries providing extensive Internet application APIs.

  • Supports major Internet protocols including FTP, HTTP, SMTP, and SSH.
  • Includes synchronous and asynchronous networking with secure encryption support.
  • Offers features like private cloud storage, GeoIP, and terminal emulation.
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Internet communications libraries for C/C++, Delphi, and Visual Basic.
SocketTools Library Edition is a collection of native Windows libraries designed to simplify Internet application development through a wide range of APIs. It supports various protocols such as FTP, HTTP, SMTP, and SSH, enabling operations like file transfers, email handling, and remote command execution. The libraries are compatible with multiple programming languages and offer both synchronous and asynchronous networking, with built-in security features including TLS and SSH encryption.

Comprehensive Protocol Support

Includes native Windows APIs for common Internet protocols such as FTP, HTTP, IMAP4, SMTP, SSH, TELNET, and more, enabling applications to upload/download files, access web services, send/receive emails, and execute remote commands.

Secure Communications

Supports TLS 1.3 and SSH 2.0 protocols with AES-256 encryption for secure private cloud storage and network connections. Security features are easy to enable and require no in-depth crypto knowledge.

Synchronous and Asynchronous Operations

Provides both blocking and non-blocking network connections with event-driven asynchronous messaging, allowing flexible application designs with a unified interface for both modes.

Multi-language Compatibility

APIs are designed to be accessible across many programming languages that can call Windows DLL functions, including C/C++, Visual Basic, Delphi, and more.

Thread-safe, High-performance Architecture

Built as optimized native DLLs without external dependencies, these libraries efficiently support multithreaded applications with low overhead, simplifying integration and redistribution.

Extensive Libraries and Features

Includes libraries for DNS resolution, MIME message processing, GeoIP location, file encoding, compression and encryption, terminal emulation, message access protocols, and a general purpose socket framework.

Custom Server and Client Frameworks

Offers multithreaded FTP and HTTP server components and a general-purpose SocketWrench library to build custom network client and server applications with event-driven design.

Rich Development Resources

Comes with thorough documentation, code examples, C++ class wrappers, and free email support to facilitate development and integration into various Windows applications.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • Windows DLL

IDE Support

  • C++Builder
  • Delphi
  • PowerBuilder
  • Visual Studio