A blocking socket TCP/IP library for Delphi and FreePascal with support for IPv4/IPv6, TLS, and many internet protocols.
Synapse is a TCP/IP networking library for Pascal (Delphi and FreePascal) that provides low-level, non-visual classes for network communication using blocking sockets. It simplifies the implementation of internet protocols by using synchronous operations, making it easier to program without complex event handling. The library supports IPv4/IPv6, TLS encryption, and includes built-in support for many standard internet protocols like HTTP, SMTP, and FTP.
Pascal developers (using Delphi or FreePascal) who need to implement network communication, internet protocols, or serial port communication in their applications, especially those building command-line utilities, visual projects, services, or simple servers.
Developers choose Synapse for its simplicity and natural programming model using blocking sockets, which avoids the complexity of asynchronous event processing. It provides comprehensive support for internet protocols, cross-platform compatibility, and includes additional serial port communication capabilities, all within a lightweight, non-visual class design.
Synapse TCP/IP library for Delphi and Freepascal
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Blocking sockets make it natural to implement internet protocols using the 'send-wait for reply' method, avoiding complex event processing as stated in the README.
Includes built-in support for DNS, SMTP, HTTP, FTP, and many other protocols, reducing the need for external libraries for common networking tasks.
Compatible with Windows, Linux, Android, and POSIX-based systems using Delphi and FreePascal, as mentioned in the compatibility section.
The SynaSer library provides similar blocking communication for serial ports, extending networking capabilities to hardware interfaces without additional dependencies.
The README specifies 'limited non-blocking mode,' making it unsuitable for applications requiring full asynchronous or event-driven networking, which can hinder scalability.
TLS encryption relies on third-party libraries like OpenSSL 3.x, which can complicate setup, maintenance, and portability compared to integrated solutions.
Maintained as a freetime hobby, which might lead to slower updates, limited support responsiveness, and potential breaking changes without commercial backing.