LavinMQ
LavinMQ is a high-performance message queueing and message streaming broker built for peaks, giving developers a fast communication infrastructure that simplifies scaling distributed systems. It is an open source message broker written in Crystal and optimized from the ground up for speed, low latency, and resource efficiency. LavinMQ implements AMQP 0-9-1 and MQTT 3.1.1, making it compatible with common messaging clients and useful for background jobs, event-driven systems, IoT workflows, real-time analytics, order handling, internal communication, and high-throughput application messaging. As a message broker, LavinMQ receives messages from applications, routes them to one or many destinations, and stores them in queues until consumers are ready to process them. It supports traditional queues as well as streams, where messages are kept in immutable storage so multiple consumers can read the same data, re-read past messages, or start from a chosen point in time.
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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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ejabberd
ejabberd XMPP server simplifies critical administration and key usage statistics through an easy-to-use and customizable management module for administrators. ejabberd XMPP server statistics module is compatible with Nagios, the industry standard IT infrastructure monitoring tool. ejabberd XMPP server supports more interaction with the browser and the web app, facilitating real-time messaging. The use of WebSockets provides the ability to seamlessly send and receive messages while a browser tab is opened. BOSH capability is provided as a fallback for XMPP server connection. ejabberd XMPP server mobile reliability layer helps manage mobile network’s disconnection, message deliveries, consistent conversation on any online device, IoT, chat server, IM service, push notification and mobile interfaces.
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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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