UNSBox
EMQX

An MQTT broker designed for high throughput and low latency, suitable for IoT applications. It’s an open-source, highly scalable, and distributed MQTT broker for IoT devices and M2M communication.
License: Apache-2.0, BUSL-1.1
Homepage: https://www.emqx.io/
Grafana

An open-source platform for monitoring and observability. It allows you to query, visualize, alert on, and understand your metrics no matter where they are stored.
License: AGPL-3.0-only
Homepage: https://grafana.com/
IoTool

An IoT integration and management platform designed to facilitate the collection, processing, and visualization of data from a wide range of IoT devices and sensors. Supports multiple protocols and device types, making it a versatile choice for projects looking to leverage IoT technology for advanced data analysis and monitoring.
License: Proprietary
Homepage: https://iotool.io/
Jupyter

An open-source web application that allows you to create and share documents that contain live code, equations, visualizations, and narrative text. It supports various programming languages and data formats, making it a versatile tool for data science, machine learning, and scientific research.
License: BSD-3-Clause
Homepage: https://jupyter.org/
Node-RED

A programming tool for wiring together hardware devices, APIs, and online services in new and interesting ways. It provides a browser-based editor for connecting flows using a wide range of nodes.
License: Apache-2.0
Homepage: https://nodered.org/
Odoo

An open-source business management software suite that includes a wide range of applications for various business needs, such as CRM, e-commerce, accounting, inventory, and project management. It provides a modular and customizable platform for businesses to streamline their operations and improve productivity.
License: LGPL-3.0
Homepage: https://www.odoo.com/
OPC-UA

An open-source implementation of the OPC Unified Architecture (OPC UA) standard, which provides a platform-independent, service-oriented architecture for secure and reliable data exchange in industrial automation and IoT applications. It enables interoperability between devices and systems from different vendors, making it a key enabler for Industry 4.0 and smart manufacturing initiatives.
License: Proprietary
Homepage: https://opcfoundation.org/about/opc-technologies/opc-ua/
OPC-UA Browser

A web-based OPC UA client that allows you to browse server nodes, read and write data, and monitor variables. It provides a user-friendly interface for interacting with OPC UA servers, making it a valuable tool for testing and debugging OPC UA applications.
License: GPL-2.0-only
Homepage: https://github.com/RealTimeLogic/OPC-UA-Browser
OPC-UA Client

A versatile OPC-UA client that allows you to connect to OPC-UA servers, browse their address space, and interact with their data. It provides a comprehensive set of tools for managing OPC-UA servers and monitoring industrial automation systems.
License: GPL-3.0-only
Homepage: http://freeopcua.github.io/
OPC-UA Commander

A terminal user interface (TUI) client for interacting with OPC UA servers. It allows you to browse server nodes, read and write data, monitor variables, and invoke methods, making it a versatile tool for testing and debugging OPC UA applications.
License: MIT
Homepage: https://github.com/node-opcua/opcua-commander
OPC-UA Modeler

A graphical user interface (GUI) tool for creating and editing OPC UA information models. It allows you to define object types, variable types, and other elements of the OPC UA address space, making it easier to design and implement OPC UA servers and clients.
License: GPL-3.0-only
Homepage: http://freeopcua.github.io/
pgWweb

A web-based PostgreSQL database browser that simplifies data visualization and database management. It offers a user-friendly interface for executing SQL queries, browsing database schemas, editing data, and exporting table data. Ideal for developers and database administrators seeking an intuitive tool for database exploration and management tasks. This solution streamlines the process of interacting with PostgreSQL databases, enhancing productivity and facilitating a better understanding of database structures and contents.
License: MIT
Homepage: https://sosedoff.github.io/pgweb/
PostgreSQL

An advanced open-source relational database system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types, and functions.
License: PostgreSQL
Homepage: https://www.postgresql.org/
PostgreSQL Exporter

A Prometheus exporter for PostgreSQL that collects and exposes database metrics for monitoring and alerting purposes. It provides insights into query performance, connections, and disk usage, enabling administrators to optimize database performance and troubleshoot issues proactively.
License: Apache-2.0
Homepage: https://github.com/prometheus-community/postgres_exporter
Prometheus

An open-source monitoring and alerting toolkit that collects and stores time-series data. It provides a powerful query language, multi-dimensional data model, and alerting capabilities for monitoring system performance and diagnosing issues.
License: Apache-2.0
Homepage: https://prometheus.io/
TensorBoard

A web-based visualization tool for machine learning experiments. It allows you to track and visualize metrics, model graphs, and other data related to your machine learning projects.
License: Apache-2.0
Homepage: https://www.tensorflow.org/tensorboard
TimescaleDB

An open-source time-series database optimized for fast ingest and complex queries. It extends PostgreSQL with time-series data management capabilities, making it a powerful choice for applications that require efficient storage and analysis of time-series data.
License: Apache-2.0
Homepage: https://www.timescale.com/