Best Free IoT Platforms in 2026

Build, control, and monitor your IoT projects with an all-in-one cloud platform.

4.5/5 on G2 · 147 ratings, Mar 2026

Arduino Cloud is a comprehensive IoT platform designed to help individuals, schools, and businesses quickly bring their connected projects to life. It provides an intuitive environment to create, visualize, and control sensor data from anywhere, supporting a wide range of Arduino and ESP-based boards, as well as third-party devices that speak Python, MicroPython, Javascript, or Node-RED. The platform offers features like customizable dashboards for real-time monitoring and control, over-the-air (OTA) updates for devices, and effortless device-to-device communication. Users can manage their projects on the go with the free IoT Remote app. Arduino Cloud aims to simplify complex IoT tasks, making it accessible for both beginners and experienced makers to develop and deploy their IoT solutions efficiently.

Stream, contextualize, and analyze real-time operational data to power AI-driven industrial operations.

4.5/5 across G2 and Capterra · 94 ratings, Sep 2026

HiveMQ is an industrial data platform purpose-built to bring operational data from the edge into the enterprise. It provides a robust MQTT platform for connecting, streaming, and managing real-time data at scale, enabling organizations to build resilient data backbones for mission-critical operations. The platform focuses on unifying OT and IT data, contextualizing it with structure and governance, and then analyzing it to generate insights. HiveMQ is designed to feed trusted, real-time data to AI models, facilitating agentic AI systems that can automate decisions and continuously improve operational outcomes. It supports a full customer journey from connecting devices and systems via MQTT, to contextualizing data for a shared understanding, analyzing patterns for insights, and finally acting on those insights with human or AI intervention. The platform is ideal for industries like manufacturing, energy, transportation, and data centers, aiming to reduce downtime, optimize efficiency, and accelerate AI transformation.

Powering Industrial AI at scale by transforming raw OT data into AI-ready intelligence at the edge.

4.4/5 across G2 and Capterra · 55 ratings, Sep 2026

Litmus is an enterprise-grade Industrial Edge Data Platform designed to bridge the operational technology (OT) and information technology (IT) data gap. It provides a comprehensive solution for connecting to any industrial asset, system, or protocol, standardizing raw OT data into structured, normalized formats, and integrating it with cloud, enterprise, and industrial systems. The platform enables real-time edge analytics and the deployment of AI/ML models directly at the edge, where data is created. This platform is ideal for industrial organizations looking to harness their OT data for advanced analytics and Artificial Intelligence initiatives. It aims to accelerate the journey to Industrial AI by offering rapid data connectivity, quick deployment across multiple sites, and a fast return on investment. Litmus simplifies the management and scaling of edge intelligence, making it suitable for large-scale industrial deployments and digital transformation efforts.

Powerful IoT device management made simple with secure container-based technology.

4.8/5 on G2 · 24 ratings, Sep 2026

Balena provides a comprehensive platform for developing, deploying, managing, and scaling fleets of IoT Linux devices. It leverages secure container-based technology to enable over-the-air (OTA) updates, full API and SDK access, and Linux OS updates. The platform supports a wide range of device types, offering flexibility for various IoT projects. This solution is designed for developers, product managers, and engineers working with IoT devices, from small-scale prototypes to large-scale deployments of hundreds of thousands of devices. It simplifies the complexities of IoT fleet management by providing tools for secure provisioning, remote monitoring, troubleshooting, and continuous updates, ensuring resilience and compliance with security standards like the EU's Cyber Resilience Act (CRA). Balena aims to accelerate IoT development cycles and enhance operational efficiency by providing a unified platform that covers the entire device lifecycle, from initial development and deployment to ongoing management and secure decommissioning. Its focus on security, scalability, and ease of use makes it suitable for businesses looking to build and maintain robust IoT solutions.

Embedded observability and OTA for IoT devices to fix defects before customers notice.

4.7/5 across G2 and Capterra · 22 ratings, Sep 2026

Memfault is an embedded observability platform designed for IoT devices, offering comprehensive monitoring, debugging, and over-the-air (OTA) update capabilities. It provides real-time visibility into the performance and reliability of deployed devices, ranging from BLE sensors to Ethernet cameras. The platform helps engineering teams proactively identify, root cause, and resolve issues in the field, reducing the need for device returns or costly site visits. Memfault caters to embedded engineers, engineering leaders, product managers, and customer support teams. It automates the collection of crash data, logs, and performance metrics, prioritizing high-impact issues for rapid resolution. This enables teams to ship reliable firmware faster, make data-backed roadmap decisions, and provide efficient customer support by accessing real-time and historical device diagnostics. The platform aims to transform embedded development by making debugging and updates as streamlined as web development.

Massive IoT connections & real-time data streaming

4.6/5 on G2 · 23 ratings, Mar 2026

EMQX is a highly scalable and reliable MQTT platform designed to handle massive concurrent connections and real-time data streaming for IoT and AI applications. It unifies real-time MQTT publish/subscribe messaging with durable message queuing capabilities, eliminating the need for separate systems like RabbitMQ or Kafka. This platform is built for mission-critical performance, supporting millions of concurrent connections with sub-millisecond latency and ensuring zero data loss through durable storage. It seamlessly moves device data from edge to cloud, integrating with over 50 cloud services and enterprise systems. EMQX is ideal for industries such as automotive, energy, smart home, and autonomous driving, providing a robust messaging backbone for sensing, thinking, and acting in physical AI environments.

The unified MQTT platform for AI and IoT data streaming, connecting devices to applications and AI services.

4.6/5 on G2 · 23 ratings, Sep 2026

EMQX is a highly scalable and reliable MQTT platform designed for real-time data streaming in IoT and AI applications. It acts as a messaging backbone, unifying real-time MQTT pub/sub with durable message queuing in a single platform, eliminating the need for separate systems like RabbitMQ or Kafka. This enables mission-critical performance at scale, supporting millions of concurrent connections with sub-millisecond latency and guaranteed data delivery. The platform is built to move device data seamlessly from edge to cloud, integrating with over 50 cloud services and enterprise systems. It provides enterprise-grade security, governance, and observability, making it suitable for regulated or air-gapped environments. EMQX is particularly valuable for industries such as automotive, manufacturing, energy, and smart homes, where reliable, real-time data exchange is crucial for advanced applications and AI-driven insights. EMQX offers flexible deployment options, including fully-managed serverless or dedicated clusters, BYOC (Bring Your Own Cloud) for managed services within a customer's cloud account, and self-managed enterprise deployments. It supports native integration with leading AI models like OpenAI GPT, Anthropic Claude, and Google Gemini for real-time anomaly detection and intelligent automation workflows.

Self-service IoT platform to build smart solutions with low-code tools and comprehensive device management.

4.8/5 on G2 · 18 ratings, Sep 2026

Akenza is a low-code IoT platform designed to simplify the development and deployment of smart solutions. It provides a comprehensive IoT stack that integrates device management, data processing, and connectivity services into a single platform. Users can manage a fleet of IoT devices, define data flows without coding, and implement business logic with a built-in rule engine. The platform is ideal for businesses and developers looking to accelerate their IoT projects, from proof-of-concept to large-scale deployments. It caters to various use cases such as space management, remote monitoring, energy metering, predictive maintenance, and dynamic cleaning, enabling users to gain insights and automate actions based on real-time sensor data. Akenza aims to reduce the complexity and time associated with building and maintaining IoT solutions.

Remotely control and monitor your 3D printer from a web browser.

4.5/5 on G2 · 11 ratings, Oct 2026

OctoPrint is a free and open-source web interface that allows users to remotely control and monitor their 3D printers. It runs on a small, dedicated computer like a Raspberry Pi, connecting directly to the printer. This setup enables users to manage print jobs, view live webcam feeds, and adjust printer settings from any device with a web browser, eliminating the need to be physically present at the printer. The software provides comprehensive control over the 3D printing process, including starting, pausing, and stopping prints, monitoring temperature, and controlling printer axes. It is designed for 3D printer enthusiasts, hobbyists, and professionals who want greater flexibility and convenience in managing their print operations, especially for long or numerous print jobs. Key benefits include enhanced workflow, remote access, and the ability to detect and address issues early, reducing failed prints and material waste.

Open-source IoT platform for device management, data collection, processing, and visualization.

4.1/5 across G2 and SourceForge · 6 ratings, Mar 2026

ThingsBoard is an open-source Internet of Things (IoT) platform designed for comprehensive management of IoT solutions. It facilitates device connectivity using industry-standard protocols like MQTT, CoAP, and HTTP, and supports both cloud and on-premises deployments. The platform offers robust capabilities for provisioning, monitoring, and controlling IoT entities, defining relationships between devices, assets, and customers, and collecting and visualizing telemetry data in a scalable and fault-tolerant manner. ThingsBoard caters to a wide range of IoT use cases, including smart energy, smart farming, fleet tracking, smart metering, environment monitoring, smart office, and water metering. It provides a powerful rule engine for data processing, transformation, and normalization, enabling users to raise alarms based on various events. The platform is built with a microservices architecture, ensuring scalability and fault-tolerance, and offers different editions including a Community Edition, a Professional Edition with advanced features like white-labeling and advanced RBAC, and a fully managed Cloud service.

Develop and manage IoT solutions with Python for embedded devices and cloud.

Zerynth is an integrated development environment (IDE) and a cloud platform designed to simplify the development and management of IoT applications. It allows developers to program microcontrollers and single-board computers using Python, abstracting away much of the complexity of embedded C/C++ programming. The platform supports a wide range of hardware, enabling users to connect devices to various cloud services and build end-to-end IoT solutions. Zerynth targets embedded developers, IoT solution architects, and companies looking to accelerate their IoT product development cycles. It provides tools for device provisioning, data collection, remote control, and over-the-air (OTA) updates, streamlining the entire IoT lifecycle from prototyping to deployment and maintenance. Its focus on Python makes it accessible to a broader range of developers who might not have extensive embedded systems experience.

Build, deploy, and manage enterprise-grade IoT solutions with a flexible and scalable platform.

Kaa IoT Platform is an enterprise-grade Internet of Things (IoT) platform designed to help businesses build, deploy, and manage connected solutions. It provides a comprehensive set of features for device connectivity, data collection, processing, analytics, and visualization. The platform is built on a flexible microservice architecture, allowing for customization and integration with third-party tools, and supports popular lightweight IoT protocols like MQTT and HTTP. Kaa Next IoT Cloud, an updated version, enhances the platform with built-in identity and access management, advanced reporting, AI integration for insights and navigation, and beta features like data forecasting and anomaly detection. It caters to a wide range of industries, offering solutions for energy management, industrial monitoring, smart metering, and more. The platform aims to accelerate IoT application development by providing out-of-the-box functionalities and an easy-to-use interface, even for users without extensive technical expertise.

Open-source cloud platform for rapid IoT product development and data management.

Thinger.io is an open-source cloud IoT platform designed to simplify the development and management of IoT products. It allows users to connect various devices, collect and store data, and create custom dashboards without needing extensive coding knowledge. The platform supports white-labeling, metrics, and alerts, making it suitable for businesses looking to deploy scalable IoT solutions. The platform provides a comprehensive set of tools for device management, data visualization, and workflow automation. Users can implement business logic with a visual low-code interface, define data flows for automations and alerts, and extend functionality through an IoT Marketplace with plugins for new protocols, integrations, and Machine Learning tools. It caters to developers, businesses, and individuals who need a robust and flexible solution for their IoT projects, from sensor connection to data analysis and application deployment.

Global IoT connectivity with a disruptive lifetime flat rate for devices.

1NCE provides IoT connectivity services with a unique 'Lifetime Flat' pricing model, offering up to 10 years of connectivity for a single, low pre-paid fee. This model is designed to simplify IoT deployments by eliminating complex cost controls and data usage monitoring. The service includes data volume, SMS, and essential features like APN and OpenVPN, making it an all-inclusive solution for connecting IoT devices globally. The platform supports various cellular standards including 2G, 3G, 4G/LTE-M, and NB-IoT, with 5G readiness, ensuring broad compatibility for diverse IoT applications across over 170 countries. 1NCE targets businesses across numerous industries, from smart agriculture and industrial automation to logistics and automotive, enabling them to integrate IoT solutions into their operations efficiently and affordably. The offering includes different SIM card formats (Business, Industrial, Chip Industrial) to suit various device requirements, some with eUICC support for remote profile switching.

An open-source IoT data platform for seamless device connectivity, data processing, and analytics.

DeviceHive is an open-source IoT data platform designed to simplify the development and management of Internet of Things solutions. It provides a robust foundation for connecting various devices, processing their data, and integrating with other platforms. The platform is built with scalability in mind, supporting deployments from single virtual machines to enterprise-grade clusters using Docker Compose and Kubernetes, making it suitable for both startups and established enterprises. DeviceHive enables connectivity for any device through REST API, WebSockets, and MQTT, offering client libraries for multiple programming languages, including Android and iOS. It facilitates easy integration with other device clouds, visualization dashboards, and services like Alexa, allowing for custom behavior through JavaScript code. The platform also provides a strong base for analytics by leveraging big data solutions such as ElasticSearch, Apache Spark, Cassandra, and Kafka for real-time and batch processing, including machine learning capabilities.