eSeGeCe — Enterprise Communication Components for Delphi & .NET

One subscription. Nine products. Zero royalties.

The All-Access bundle unlocks sgcWebSockets, sgcHTML, sgcQUIC, sgcAI, sgcMQ, sgcSocial, sgcAuth, sgcHTTP, sgcOpenAPI, sgcSign, sgcBiometrics and sgcIndy in a single licence. Full source code, lifetime updates for the term, and royalty-free deployment on every platform you ship to.

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ARCHITECTURE

The eSeGeCe Stack at a Glance

A single, layered stack covers everything from the wire up to the AI integration: transports, security, identity, and 30+ API surfaces.

One coherent stack, layered, secure, and extensible, from the socket all the way to your AI agent.

OUR PRODUCTS

Powerful Libraries, One Ecosystem

Ten libraries that share the same engineering standard: 100% native code, full source, and support from Delphi 7 through RAD Studio 13 and .NET 9.

sgcWebSockets

WebSocket, HTTP/2, MQTT, AMQP, WebRTC, AI, and 30+ API integrations. The most comprehensive Delphi communication library available, with a matching .NET edition.

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sgcHTML

Build full-stack web interfaces directly in Delphi and .NET, with no separate front-end team. 83 server-side HTML components, real-time WebSocket updates, and htmx-powered interactivity.

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sgcQUIC

Raw QUIC transport (RFC 9000) and an HTTP/3 client and server (RFC 9114), with WebTransport. An add-on to sgcWebSockets Enterprise, on the native OpenSSL 3.5 QUIC engine.

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sgcAI

15 AI, LLM and MCP components. One chat component reaches OpenAI, Anthropic, Gemini, DeepSeek, Ollama, Grok and Mistral, plus MCP client and server, embeddings, vector search and speech. Standalone, the sgcWebSockets Core runtime is included.

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sgcMQ

MQTT 3.1.1 and 5.0, AMQP 0.9.1, AMQP 1.0, Apache Kafka and STOMP clients, with broker-specific STOMP clients for RabbitMQ and ActiveMQ. Standalone, the sgcWebSockets Core runtime is included.

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sgcSocial

WhatsApp Business Cloud API and Telegram TDLib clients for Delphi and C++ Builder. Send template, media and interactive messages, receive webhooks, and build full Telegram apps. Standalone, the sgcWebSockets Core runtime is included.

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sgcAuth

OAuth2 client, JWT client and WebAuthn support for Delphi and C++ Builder. Sign in with any OAuth2/OIDC provider, issue and verify JWTs, and add passkey authentication to native apps. Standalone, the sgcWebSockets Core runtime is included.

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sgcHTTP

HTTP/2 client, gRPC client and Google Cloud Pub/Sub, Calendar and FCM clients for Delphi and C++ Builder. Standalone, the sgcWebSockets Core runtime is included.

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sgcOpenAPI

One bundled product: OpenAPI 3.x parser, Pascal SDK generator, OpenAPI server, plus 1,195+ pre-built SDKs for AWS, Azure, Google Cloud and Microsoft Graph.

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sgcSign

Document signatures (XAdES / PAdES / CAdES / ASiC) plus code signing (Authenticode .exe / .dll, ClickOnce, NuGet, VSIX) via library or sgcSign Server. 10 key providers including HSM, AWS KMS, Azure Trusted Signing, HashiCorp Vault. 21 EU country profiles.

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sgcBiometrics

Windows Hello, fingerprint sensors, facial recognition for Delphi and C++ Builder. Windows Biometric Framework integration.

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sgcIndy

Enhanced Indy TCP/IP component suite with extended protocol support and performance optimizations for enterprise applications.

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Every product ships with full source code and royalty-free deployment. The All-Access bundle covers the whole suite.

CROSS-PLATFORM

One Source Tree, Every Target

OPERATING SYSTEMS

Windows 32 & 64-bit

macOS Intel & ARM

Linux x64 · ARM64

iOS 15+ & iPadOS

Android API 26+

IDEs & FRAMEWORKS

Delphi 7 → 13

C++ Builder 2007 → 13

.NET 2.0 → .NET 9

Cross-Platform, Multi-Framework

One source tree compiles into native components on every modern Embarcadero IDE and every major OS: desktop, mobile, and server. No platform-specific forks, no DLL juggling.

5 OS targets Windows, macOS, Linux, iOS, Android

12 IDE versions Delphi 7 through RAD Studio 13

4 UI frameworks VCL, FireMonkey, .NET, Lazarus / FPC

1 Source tree Same API and components, every target

PROTOCOLS

Every Protocol You Need

Eleven first-class wire protocols and ecosystem-compatible flavors. One library, every messaging style.

WebSocket · RFC 6455 HTTP/2 · RFC 7540 HTTP/3 · QUIC SSE · Server-Sent Events WebRTC · STUN / TURN / ICE MQTT · 3.1.1 & 5.0 AMQP · 0.9.1 & 1.0 STOMP · 1.0 & 1.2 WAMP · v2 CoAP · IoT Socket.IO · v4 SignalR Core · .NET Pusher · Channels TLS 1.2 / 1.3

Messaging & pub/sub

Native client AND server implementations of the four pub/sub wire protocols developers ship most. Fully compliant with the published specifications, with ready-made adapters for the dominant brokers in each ecosystem.

MQTT 3.1.1 & 5.0

Lightweight pub/sub for IoT, mobile, and millions of concurrent connections

Tiny binary frames (2 bytes header), persistent sessions across disconnects, retained messages, last-will-and-testament for unreliable networks. The de-facto standard for IoT telemetry and mobile push.

QoS 0 / 1 / 2: at-most-once, at-least-once, exactly-once delivery
5.0 properties: topic aliases, message expiry, response topics, user properties
Shared subscriptions: load-balance one topic across worker pools (5.0)
Brokers tested: HiveMQ, Mosquitto, EMQX, AWS IoT Core, Azure IoT Hub

AMQP 0.9.1 & 1.0

Enterprise message broker protocol with full transaction support

Routes messages through named exchanges into queues with rich routing rules. Acknowledgement, durability, and transactions baked into the protocol. Two distinct wire versions: 0.9.1 dominates RabbitMQ; 1.0 is the OASIS-standardised broker-to-broker spec.

Exchange types: direct, fanout, topic, headers
Durability: persistent queues survive broker restart
Transactions: atomic multi-message commit / rollback
Brokers tested: RabbitMQ (0.9.1), Azure Service Bus (1.0), ActiveMQ, IBM MQ

STOMP 1.0 & 1.2

Simple text-based protocol you can debug with telnet

Frame-based protocol with a tiny vocabulary (CONNECT, SUBSCRIBE, SEND, ACK, DISCONNECT). Works over any TCP or WebSocket transport. Easy onboarding for teams that want a broker without binary protocol complexity.

Pre-configured clients: RabbitMQ STOMP plugin, ActiveMQ
Transactions: BEGIN / COMMIT / ABORT message groups
Durable subscriptions: persistent across reconnects
Custom headers: arbitrary string metadata per frame

WAMP v2

Pub/sub and RPC over a single WebSocket connection

Web Application Messaging Protocol unifies application-level eventing with remote procedure calls. Clients can publish, subscribe, register callable methods, AND invoke peer-registered methods, all multiplexed on one connection.

Four roles: publisher, subscriber, caller, callee
Authentication: ticket, CRA, and pluggable schemes
Routed RPC: the broker mediates calls, so clients never need to know their peers
Use case: real-time dashboards that also need server-callable methods

MQTT, AMQP, Kafka and STOMP ship in sgcWebSockets from the Standard edition upward. The client components are also available on their own as sgcMQ, a standalone Delphi and C++ Builder product that bundles the sgcWebSockets Core runtime. Explore sgcMQ →

Compatibility

Socket.IOv4

SignalR Core.NET

PusherChannels

WHAT YOU CAN BUILD

From Real-Time Chat to AI Agents

eSeGeCe components ship the protocols and primitives behind some of the most demanding categories of software: messaging, finance, IoT, and AI. Everything is ready to drop into your Delphi or .NET project.

Real-time chat at scale

Persistent connections, presence, broadcast channels, and binary messaging, with multithreaded servers built for thousands of concurrent users.

sgcWebSockets Socket.IO WAMP

Algorithmic trading

Sub-millisecond market-data feeds with full TLS, binary frames, and automatic reconnect.

14 Exchanges FIX-grade

AI agents (MCP)

Wire ChatGPT and Claude to your own tools via the Model Context Protocol.

MCP OpenAI Anthropic

IoT telemetry

Connect millions of devices via MQTT 5.0, CoAP, AWS IoT, and Azure IoT Hub.

MQTT 5.0 CoAP AWS IoT Azure IoT

WebRTC video

Peer-to-peer media with built-in STUN, TURN, and ICE.

STUN/TURN P2P

Document & code signing pipelines

Sign documents with XAdES (XML), PAdES (PDF), CAdES (CMS) and ASiC containers. Sign code with Authenticode (.exe / .dll / .msi), ClickOnce manifests, NuGet packages and VSIX extensions, all via the bundled sgcSign Server. It ships a REST API, a Windows-service installer, and ready-made GitHub Actions, Azure DevOps, Jenkins and Docker pipelines for centralised CI/CD signing. Ten key providers are supported (PFX, PKCS#11 HSM, Azure Trusted Signing, AWS KMS, Google Cloud KMS, HashiCorp Vault, Certum SimplySign, CSC v2), plus twenty-one EU country profiles for e-invoicing and employment contracts.

sgcSign XAdES / PAdES / CAdES ASiC Authenticode ClickOnce NuGet HSM / KMS Server + REST API

AI INTEGRATION

Connect Your Apps to the AI Revolution

Native integration with OpenAI, Anthropic, Google Gemini, and the Model Context Protocol. Build intelligent applications with first-class support for ChatGPT, Claude, embeddings, function calling, and real-time AI streaming, all from your Delphi or .NET codebase.

OpenAI

ChatGPT, DALL-E, Whisper, fine-tuning, and assistants. Full API coverage with streaming support and function calling.

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MCP

Model Context Protocol server and client implementation. Expose tools, prompts, and resources to AI models seamlessly.

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ChatBot

Build conversational AI with human-like interactions. Multi-turn conversations, context management, and streaming responses.

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Embeddings

Vector databases, Pinecone integration, and custom AI applications. Semantic search and retrieval-augmented generation.

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The AI, LLM and MCP components are included in the sgcWebSockets Enterprise edition. They are also available on their own as sgcAI, a standalone Delphi and C++ Builder product that bundles the sgcWebSockets Core runtime. Explore sgcAI →

KEY FEATURES

Why Developers Choose eSeGeCe

The same component, the same API, in four languages. Drop it on a form, set a host, and you are connected.

Built for Performance and Reliability

Fully multithreaded server with IOCP/EPOLL support
TLS 1.2 & 1.3 encryption with OpenSSL and SChannel
Automatic reconnection with WatchDog technology
Load balancing across multiple back-end servers
Quality of Service with exactly-once delivery
Full source code and royalty-free deployment

procedure TForm1.ConnectWebSocket;
begin
  sgcWebSocketClient1.Host   := 'www.esegece.com';
  sgcWebSocketClient1.Port   := 2053;
  sgcWebSocketClient1.TLS    := True;
  sgcWebSocketClient1.Active := True;
end;

procedure TForm1.OnMessage(Connection: TsgcWSConnection;
  const Text: string);
begin
  Memo1.Lines.Add('Received: ' + Text);
end;

void __fastcall TForm1::ConnectWebSocket()
{
  sgcWebSocketClient1->Host   = "www.esegece.com";
  sgcWebSocketClient1->Port   = 2053;
  sgcWebSocketClient1->TLS    = true;
  sgcWebSocketClient1->Active = true;
}

void __fastcall TForm1::OnMessage(TsgcWSConnection *Connection,
  const UnicodeString Text)
{
  Memo1->Lines->Add("Received: " + Text);
}

var client = new TsgcWebSocketClient();
client.Host = "www.esegece.com";
client.Port = 2053;
client.TLS  = true;

client.OnMessage += (sender, args) =>
{
  Console.WriteLine($"Received: {args.Text}");
};

client.OnConnect += (sender, args) =>
{
  client.WriteData("Hello from .NET!");
};

client.Active = true;

program WebSocketClient;
{$mode objfpc}{$H+}
uses
  sgcWebSocket;

var
  Client: TsgcWebSocketClient;
begin
  Client := TsgcWebSocketClient.Create(nil);
  Client.Host   := 'www.esegece.com';
  Client.Port   := 2053;
  Client.TLS    := True;
  Client.Active := True;
  ReadLn;
  Client.Free;
end.

The same public API across Delphi, C++ Builder, Lazarus / FPC and .NET.

PERFORMANCE & SCALE

Built for Production

Engineered for the workloads that keep an SRE awake at night: long-lived connections, encrypted by default, and self-healing under churn.

10,000+ Concurrent connections

IOCP (Windows) and EPOLL (Linux) per-thread pools keep a single server humming under load.

TLS 1.3 End-to-end encryption

OpenSSL 3.0 on every platform plus native Windows SChannel. No extra DLLs needed.

< 1 ms Frame latency

Zero-copy framing on localhost; compressed-message extension (RFC 7692) ready out of the box.

24/7 WatchDog auto-reconnect

Heartbeats, exponential backoff, and session resume keep clients connected through network blips.

TESTIMONIALS

What Developers Say

Trusted by Delphi, C++ Builder, Lazarus and .NET developers building real-time applications around the world.

sgcWebSockets is amazing and your support is the best!

Christian Meyer Founder & CTO

Your sgcWebSockets library is very useful and easy to setup. Keep up the good work!

Simone Moretti Delphi Developer

Thanks so much for your help and support, I love your components.

Mark Steinfeld CTO

Latest from the blog

31 July 2026 · Components

Enterprise-Grade Communication Components for Delphi & .NET

One subscription. Nine products. Zero royalties.

The eSeGeCe Stack at a Glance

Powerful Libraries, One Ecosystem

sgcWebSockets

sgcHTML

sgcQUIC

sgcAI

sgcMQ

sgcSocial

sgcAuth

sgcHTTP

sgcOpenAPI

sgcSign

sgcBiometrics

sgcIndy

One Source Tree, Every Target

Cross-Platform, Multi-Framework

Every Protocol You Need

MQTT 3.1.1 & 5.0

AMQP 0.9.1 & 1.0

STOMP 1.0 & 1.2

WAMP v2

From Real-Time Chat to AI Agents

Real-time chat at scale

Algorithmic trading

AI agents (MCP)

IoT telemetry

WebRTC video

Document & code signing pipelines

Connect Your Apps to the AI Revolution

OpenAI

MCP

ChatBot

Embeddings

Why Developers Choose eSeGeCe

Built for Performance and Reliability

Built for Production

What Developers Say

Latest from the blog

Static OpenSSL Linking in sgcWebSockets: No More libcrypto and libssl DLLs

TCPKeepAlive and KeepAliveTimeout for IOCP and EPOLL Servers

HTTP/3 Client and Server Components for Delphi and C++ Builder

One subscription. Nine products. Zero royalties.