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It is a cross-platform development environment and deployment infrastructure available in both Single-User and Client-Server. 4D contains it's own high level programming language and a RDBMS with a SQL engine. 4D is an IDE and a Compiler that facilitates the creation of machine code directly executable on both Windows and Mac. | API Funnel is a visual no-code canvas for connecting external APIs, transforming their responses, and publishing unified REST endpoints at real, callable URLs, without writing any backend code. Wire up REST, GraphQL, or SOAP inputs, map and transform fields using 70+ built-in transformers, apply conditional logic, and deploy instantly. |
RDBMS; SQL Server; SOAP Server; Web Server; Client-Server; Compiler; IDE; Plugin SDK (C++); Compiler; Integrated PHP Engine; 64 bit; | Visual drag-and-drop canvas, REST, GraphQL and SOAP input nodes, 70+ field transformers, if/else conditional logic, live endpoint publishing, custom domains, OpenAPI documentation generation, AI natural-language canvas editing, credential encryption, rate limiting and IP blacklisting |
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Kong is a scalable, open source API Layer (also known as an API Gateway, or API Middleware). Kong controls layer 4 and 7 traffic and is extended through Plugins, which provide extra functionality and services beyond the core platform.

Amazon API Gateway handles all the tasks involved in accepting and processing up to hundreds of thousands of concurrent API calls, including traffic management, authorization and access control, monitoring, and API version management.

Tyk is a leading Open Source API Gateway and Management Platform, featuring an API gateway, analytics, developer portal and dashboard. We power billions of transactions for thousands of innovative organisations.

An open source Java framework that focuses on making integration easier and more accessible to developers.

MedAlly is a healthcare-focused AI assistant designed to support clinicians with structured clinical documentation, encounter summaries, and workflow assistance. It helps reduce administrative workload by converting clinical interactions into organized medical notes while fitting into existing healthcare systems. MedAlly supports efficiency and accuracy without replacing clinical decision-making.

Build a winning API platform with instant, meaningful visibility into API usage and customer adoption

Map services to arbitrary URLs in a single, declarative YAML file. Configure routes with CORS support, circuit breakers, timeouts, and more. Replace your Kubernetes ingress controller. Route gRPC, WebSockets, or HTTP.

Trovald is an intelligent API gateway that automatically routes LLM requests to the most cost-efficient model cutting AI infrastructure costs by 30–60% with zero code changes. You only pay when you save.

DataGrout is an enterprise AI agent integration platform providing a secure MCP endpoint that connects autonomous AI agents and LLMs to 100+ business applications (Salesforce, SAP S/4HANA, Workday, NetSuite, QuickBooks, HubSpot) through managed OAuth 2.1/mTLS authentication, eliminating custom integration plumbing.

TradingCalcs provides a fast, accurate financial-math engine used for trading, risk management, and quantitative analysis. It powers calculations for position sizing, P/L, expected move, breakeven levels, risk of ruin, options modeling, forex pip values, futures notional exposure, and more. Developers can use TradingCalcs today through embeddable components, with a public REST API and SDK currently in development. Designed for fintech builders who need precision, clarity, and zero friction.