Products

sgcWebSockets
For Delphi, CBuilder and Lazarus
sgcWebSockets
Rad Studio

Share your code using our WebSockets library for your Delphi VCL, Firemonkey, CBuilder and Javascript projects. Includes Server, Clients and several protocols for building and connecting to WebSocket applications.

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DETAILS
WebSocket and HTTP Support
Cross-platform
Protocols and APIs
SSL/TLS for Security
Best Communication Library
IOCP and EPOLL Servers
WebAuthn & PassKeys Support
WebSocket and HTTP Support

sgcWebSockets includes client and server-side implementations of the WebSocket protocol (RFC 6455). HTTP/s is also full supported.

Protocols and APIs

Several protocols are supported: MQTT, STOMP, WEBRTC, WAMP... Built-in protocols support Transactions, Datasets, QoS, big file transfers and more. APIs supported for third-parties like Pusher, Bitfinex...

Cross-platform

Share your code using our WebSockets library for your Delphi VCL, Firemonkey, Intraweb, Javascript and C# projects. Includes Server, Clients and serveral protocols for building and connecting to WebSocket applications.

sgcOpenAPI
Pascal OpenAPI Client Generator
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Build Applications

Share your code using our WebSockets library for your Delphi, CBuilder, Firemonkey, Javascript and .NET projects. Includes Server, Clients and several protocols for building and connecting to WebSocket applications.

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Standard Protocols

Standard Protocol for bi-directional communications between servers and clients over WebSockets. Supports Secure Connections using OpenSSL libraries.

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Expand your Possibilities

Easy to use, you can expand your Applications using Built-in protocols for RPC, File transfers, Socket.io Servers, WAMP protocol and more.

WebAuthn
WebAuthn & PassKeys

sgcWebSockets supports the WebAuthn Protocol providing a full-featured WebAuthn Server Component:
- Fido Conformance Test 100% validated.
- Supports ALL algorithms.
- Powerful solution to implement the WebAuthn Relying Party server
- Enable passwordless authentication in your web application.

Feel free to Try the WebAuthn Protocol with the sgcWebSockets VCL Library

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eSeGeCe Software
The Best
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 Components
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Features

Easy to use, you can expand your Applications using Built-in protocols for RPC, File transfers, Socket.io Servers, WAMP protocol and more.

Download Trial

Full Enterprise Single Trial version, works for a time limited period and can only be installed in a single WorkStation

Online Demo

Test our Online Demos which show the main features of our products.

Forex.com API REST & Lightstreamer
Forex.com API REST & Lightstreamer
The next sgcWebSockets release — version 2026.5.0 — adds native support for the Forex.com / StoneX / CityIndex Trading API: REST order management plus real-time Lightstreamer streaming, all delivered through a single Delphi component you can drop onto a form. Three new components cover the whole surface: TsgcHTTP_API_Forex for REST trading, TsgcWSPClient_Lightstreamer for the native Lightstreamer TLCP 2.5 streaming channel, and TsgcWSAPI_Forex as the unified facade that wires them to...
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sgcSign XAdES / PAdES / CAdES for Delphi
sgcSign XAdES / PAdES / CAdES for Delphi
New Product Launch Introducing sgcSign Enterprise-grade digital signatures for Delphi and C++Builder — CAdES, PAdES, XAdES and XMLDSig in a single component. Digital signatures are no longer a niche requirement. From VeriFactu and TicketBAI in Spain to FatturaPA in Italy, KSeF in Poland, Factur-X in France/Germany and myDATA in Greece, European governments now mandate cryptographically signed electronic invoices and tax documents. Building a compliant signing pipeline from scratch means wr...
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HTTP.SYS High Performance Tuning
HTTP.SYS High Performance Tuning
Starting with sgcWebSockets 2026.5.0, the TsgcWSServer_HTTPAPI component exposes a new published property, FineTune, typed as TsgcServerHTTPAPI_FineTune. It groups every low-level kernel-mode knob that influences how the Windows HTTP Server API (http.sys) queues, dispatches, and completes requests. Until now those knobs either didn't exist on the component or were hardcoded — now they are published, persisted with the form, and tunable at design time. The FineTune property is a TPersistent...
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