eSeGeCe Blog

Release notes, deep dives, and tutorials for sgcWebSockets, sgcOpenAPI, sgcSign, sgcBiometrics, and sgcIndy.

· Features

sgcWebSockets Performance Tuning — Scaling to 100k Connections

A practical guide to tuning sgcWebSockets for tens of thousands of concurrent connections: IOCP, thread pools, compression, broadcast, OS limits, benchmarks.

· Components

Anthropic Claude in Delphi — Complete Tutorial (2026)

Step-by-step Delphi tutorial for Anthropic Claude: setup TsgcHTTP_API_Anthropic, messages, streaming, vision, tool use, extended thinking, prompt caching, MCP.

· Components

Apache Kafka Client for Delphi

From sgcWebSockets 2026.6.0 a native Apache Kafka client for Delphi and C++Builder: produce and consume messages, consumer groups, topic administration and offset management over the native Kafka binary protocol…

· Reviews

Choosing a WebSocket Library for Delphi 2026

A 2026 buyer's guide to Delphi WebSocket libraries: sgcWebSockets, Indy, TMS FNC WX, mORMot and Synapse compared on features, license, maintenance and Delphi version support.

· Components

OpenAPI Server for Delphi: TsgcWSAPIServer_OpenAPI

A new Enterprise component that hosts an OpenAPI 3 REST API directly inside a Delphi HTTP server — spec-first or code-first, with Swagger UI, validation and CORS built in…

· Reviews

sgcOpenAPI vs Swagger Codegen

Compare sgcOpenAPI and swagger-codegen for generating Delphi REST clients from OpenAPI 3.0: workflow, code quality, supported features and modern Delphi compatibility.

· Releases

sgcOpenAPI 2026.6 — Standalone OpenAPI Server, Spec-First or Code-First

sgcOpenAPI 2026.6 ships TsgcHTTPServer_OpenAPI — a single self-contained Delphi component that hosts an OpenAPI 3.0 service. Embedded HTTP server, Swagger UI at /docs, spec at /openapi.json, CORS, JSON-Schema validation, Spec-First or Code-First — no sgcWebSockets required…

· Reviews

sgcWebSockets vs ICS

A side-by-side comparison of sgcWebSockets and Overbyte ICS for Delphi: WebSocket, HTTP/2, protocol breadth, commercial support, license and developer experience.

· Components

10 Common Mistakes Using sgcWebSockets (and How to Fix Them)

Avoid the most common sgcWebSockets pitfalls: blocking OnMessage, missing WatchDog reconnect, ignored heartbeats, sync UI calls, mismatched TLS, and more.

· Components

sgcWebSockets 2026.6 — Bot Detection in the Firewall

The TsgcWebSocketFirewall component gains IP-based Bot Detection in sgcWebSockets 2026.6 — verified crawlers, datacenter ranges and blocklisted IPs identified via known-bot lists, ASN ranges, reverse DNS and DNSBL lookups…

· Reviews

sgcWebSockets vs Indy 2026

A practical 2026 comparison of sgcWebSockets and Indy for Delphi developers: WebSocket, HTTP/2, MQTT, AMQP, QUIC, performance, maintenance and when to pick each.

· Reviews

Custom HTTP/2 Stack vs Extending Indy

A behind-the-scenes look at why sgcWebSockets ships a custom HTTP/2 implementation with HPACK and frame multiplexing rather than retrofitting Indy's blocking I/O model.

· Releases

FXCM API Client Removed from sgcWebSockets 2026.6

The TsgcWSAPI_FXCM component has been removed from sgcWebSockets 2026.6 in both Delphi and .NET editions. FXCM has retired its public ForexConnect / REST / streaming trading API in favor of third-party platforms, leaving the integration without an upstream provider…

· Features

Slimmer sgcWebSockets Builds — Exclude the Embedded JS Resource

A new sgcWebSockets 2026.6 Setup option strips the embedded JS client bundle from runtime packages — ideal for Delphi / C++Builder clients and back-end-only servers.

· Releases

sgcWebSockets 2026.5 — Rate Limiter, Circuit Breaker, API Keys, MCP OAuth & Faster IOCP

sgcWebSockets 2026.5 ships TsgcWSRateLimiter, TsgcWSCircuitBreaker and TsgcWSAPIKeyManager, a Forex.com + Lightstreamer client, OAuth 2.1 for the MCP Server, high-perf IOCP / EPOLL tuning, ML-KEM-768 post-quantum keys and an extensive HTTP/2 / MCP fix batch.

· Releases

sgcSign 2026.5 — Authenticode, EU eIDAS Pack & 9 Employment Profiles

sgcSign 2026.5 adds Microsoft Authenticode signing for PE files, ClickOnce / NuGet / VSIX signers, an EU eIDAS compliance pack (ASiC, LOTL/EUTL trust list, CSC remote signing), 9 employment profiles, a Bulgarian Peppol profile, a native QR Code generator, ECDSA P-256/384/521 and CI/CD integrations.

· Components

New My-Account Portal

The My-Account section of esegece.com has been rebuilt from the ground up on a brand-new server powered by sgcWebSockets. Passkey sign-in, sub-accounts for TEAM and SITE subscriptions, faster downloads, a new helpdesk, and more.

· Components

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...

· Components

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...

· Features

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 th...

· Releases

sgcWebSockets 2026.4

Rad Studio [+] : Added Support for Rad Studio 13.1: the new platform WinARM64EC is supported. [+] : New TsgcWSFirewall component: full-featured firewall for WebSocket servers with IP blacklist/whitel...

· Components

Grok Delphi API Client

Grok, developed by xAI, is a high-performance AI model designed for fast, intelligent responses with real-time knowledge and advanced reasoning capabilities. For Delphi developers looking to integrat...

· Components

Mistral Delphi API Client

Mistral AI has established itself as a leading European AI provider, delivering high-performance models that excel at multilingual understanding, code generation, function calling, and structured out...

· Components

Ollama Delphi API Client

Ollama makes it easy to run large language models locally on your own hardware — no cloud dependency, no API costs, and full data privacy. For Delphi developers looking to integrate local AI capabili...