The most comprehensive WebSocket and real-time communication library for Delphi, C++ Builder, Lazarus, and .NET. Full RFC 6455 compliance, 30+ API integrations, and enterprise-grade performance.
From WebSocket fundamentals to advanced AI integrations, sgcWebSockets delivers a complete toolkit for modern network applications.
Full RFC 6455 implementation with binary and Unicode message support, PerMessage_Deflate compression, and automatic reconnection.
Modern HTTP protocol with multiplexing, server push, and header compression for high-performance connections.
Native integrations with OpenAI, Anthropic, MCP protocol, ChatBot components, Embeddings, and vector database support.
Full support for MQTT, AMQP, STOMP, WAMP, and Server-Sent Events with built-in message routing and topic management.
Peer-to-peer communication with STUN, TURN, and ICE protocols, data channels, and NAT traversal for direct client connections.
Ready-to-use connectors for crypto exchanges, messaging platforms, cloud services, and financial data feeds.
Built from the ground up for security, scalability, and reliability in mission-critical applications.
Protect every connection with industry-standard security protocols and flexible authentication mechanisms.
Handle thousands of concurrent connections with high-performance I/O and robust delivery guarantees.
Develop on your preferred IDE and deploy to every major platform and framework version.
Delphi 7 through RAD Studio 13. Full VCL and FireMonkey framework support with design-time components.
C++ Builder 10.1 Berlin through C++ Builder 13. Native C++ wrapper headers for seamless integration.
Lazarus 4.4.0 Win64 with Free Pascal compiler support for open-source Pascal development.
.NET Framework 2.0+, .NET Core 1.0+, .NET Standard 1.6+, and .NET 5 through .NET 9.
Windows 32/64-bit, macOS (Intel & ARM), Linux 64-bit, iOS, and Android.
Pre-built packages for every supported IDE version. Drop components onto forms and start building immediately.
Get connected in minutes with a clean, event-driven API that feels natural in both Delphi and .NET.
procedure TForm1.FormCreate(Sender: TObject); begin sgcWebSocketClient1.Host := 'www.esegece.com'; sgcWebSocketClient1.Port := 2053; sgcWebSocketClient1.TLS := True; sgcWebSocketClient1.Active := True; end; procedure TForm1.sgcWebSocketClient1Connect(Connection: TsgcWSConnection); begin Connection.WriteData('Hello sgcWebSockets!'); end; procedure TForm1.sgcWebSocketClient1Message(Connection: TsgcWSConnection; const Text: string); begin Memo1.Lines.Add('Received: ' + Text); end;
procedure TForm1.FormCreate(Sender: TObject); begin sgcWebSocketHTTPServer1.Port := 8080; sgcWebSocketHTTPServer1.SSL := True; sgcWebSocketHTTPServer1.SSLOptions.CertFile := 'server.pem'; sgcWebSocketHTTPServer1.SSLOptions.KeyFile := 'server.key'; sgcWebSocketHTTPServer1.Active := True; end; procedure TForm1.sgcWebSocketHTTPServer1Message(Connection: TsgcWSConnection; const Text: string); begin // Echo message back to client Connection.WriteData(Text); end; procedure TForm1.sgcWebSocketHTTPServer1Connect(Connection: TsgcWSConnection); begin Log('Client connected: ' + Connection.Guid); end;
using esegece.sgcWebSockets; var client = new TsgcWebSocketClient(); client.Host = "www.esegece.com"; client.Port = 2053; client.TLS = true; client.OnConnect += (sender, connection) => { connection.WriteData("Hello from .NET!"); }; client.OnMessage += (sender, connection, text) => { Console.WriteLine($"Received: {text}"); }; client.Active = true;
Pair sgcWebSockets with our other Delphi, C++Builder and .NET component libraries.
Server-side HTML and UI components for Delphi, C++Builder and .NET. 60+ widgets built on Bootstrap 5 and htmx, with no JavaScript front end to maintain.
Render the server-side UI that your WebSocket server pushes live updates into.
Learn more →QUIC and HTTP/3 client and server components for Delphi, C++Builder and .NET. An add-on for sgcWebSockets Enterprise.
Layer HTTP/3 and raw QUIC transport on top of the same Enterprise license — no separate stack to learn.
Learn more →OpenAPI 3.0 parser and SDK generator. Turn any OpenAPI spec into a strongly-typed Delphi client in seconds.
Generate REST clients to combine with your WebSocket and MQTT streams — one toolchain for both real-time and request/response APIs.
Learn more →Digital signature components for PDF, XAdES, CAdES, and PAdES. Sign and verify documents with smart cards, HSMs, or software keys.
Sign WebSocket and MQTT payloads end-to-end with PAdES or XAdES for tamper-evident real-time messaging.
Learn more →Native Windows Hello, fingerprint, and Windows Biometric Framework components for Delphi and C++Builder.
Add biometric authentication to your real-time clients without rolling your own WBF wrapper.
Learn more →Updated Indy TCP/IP components with modern TLS, IPv6, and HTTP/2 support for Delphi 7 through 13.
Use updated Indy components alongside sgcWebSockets servers when you need a refreshed Indy stack.
Learn more →15 AI, LLM and MCP components for Delphi and C++ Builder. One chat component reaches OpenAI, Anthropic, Gemini, DeepSeek, Ollama, Grok and Mistral. Standalone, the sgcWebSockets Core runtime is bundled in.
Every AI component here is already in your Enterprise edition. sgcAI is the standalone route for developers on Standard or Professional.
Learn more →MQTT 3.1.1 and 5.0, AMQP 0.9.1, AMQP 1.0, Apache Kafka and STOMP client components for Delphi and C++ Builder. Standalone, the sgcWebSockets Core runtime is bundled in.
Every messaging client here is already in your sgcWebSockets edition. sgcMQ is the standalone route for developers who own no edition.
Learn more →WhatsApp Business Cloud API and Telegram TDLib clients. Standalone, the sgcWebSockets Core runtime is included.
Both clients are already in sgcWebSockets: Telegram from Standard, WhatsApp from Professional. sgcSocial is the standalone route for developers who own no edition.
Learn more →