Open Automation Software
Liberate your Industry 4.0 data with Open Automation Software IIoT platform for Windows and Linux. OAS is truly an unlimited IoT Gateway for Windows, Linux, Raspberry Pi 4, Windows IoT Core, and Docker deployments.
Create HMI visualization for web, WPF, and WinForm C# and VB .NET applications.
Log data and alarms to SQL Server, Oracle, MS Access, MySQL, Azure SQL, PostgreSQL, Cassandra, MongoDB, MariaDB, SQLite, InfluxDB, and CSV files.
MQTT Broker and Client interface along with cloud connectivity to Azure IoT and AWS IoT Gateway.
Read and write data from remote Excel Workbooks.
Alarm notification to email, SMS text, and voice messaging.
.NET and REST API programmatic access.
Allen Bradley ControlLogix, CompactLogix, GuardLogix, Micro800, MicroLogix, SLC 500, and PLC-5.
Siemens S7-200, S7-300, S7-400, S7-1200, and S7-1500.
Modbus TCP, Modbus RTU, and Modbus ASCII for Master and Slave communications.
OPTO-22, MTConnect, and OPC UA, OPC DA.
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EMQX
EMQX is the world's most scalable and reliable MQTT messaging platform designed by EMQ. It supports 100M concurrent IoT device connections per cluster while maintaining extremely high throughput and sub-millisecond latency.
EMQX boasts more than 20,000 global users from over 50 countries, connecting more than 100M IoT devices worldwide, and is trusted by over 300 customers in mission-critical IoT scenarios, including well-known brands like HPE, VMware, Verifone, SAIC Volkswagen, and Ericsson.
Our edge-to-cloud IoT connectivity solutions are flexible to meet the demands of various industries towards digital transformation, including connected vehicles, Industrial IoT, oil & gas, carrier, finance, smart energy, and smart cities.
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Zunoy FreeMQTT
Zunoy FreeMQTT is a free public MQTT broker built for learning, testing, and rapid prototyping. It allows developers, students, and IoT teams to connect devices and applications to an always-available MQTT broker without registration or setup. Users can publish and subscribe to topics, test device messaging, and experiment with MQTT workflows using standard TCP, TLS, WebSocket, and secure WebSocket connections.
The platform supports MQTT v3.1, v3.1.1, and v5, making it useful for testing IoT devices, browser-based dashboards, automation workflows, and application integrations. It also provides ready-to-use connection details and example code for popular environments such as Node.js, Python, Arduino/C++, Go, and browser applications.
FreeMQTT is designed for non-production use cases where teams need a simple way to validate MQTT communication, prototype real-time systems, and learn how MQTT-based messaging works.
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MQTTnet
MQTTnet is a high-performance .NET library for MQTT-based communication. It provides an MQTT client and an MQTT server (broker) and supports the MQTT protocol up to version 5. It is compatible with mostly any supported .NET Framework version and CPU architecture. A custom message interceptor can be added which allows transforming or extending every received application message. Lightweight (only the low-level implementation of MQTT, no overhead). Supports connected clients with different protocol versions at the same time.
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