Open Source IoT

What is IoT ? or What is Internet of Things ?
The Internet of Things (IoT) is the network of things (physical devices, vehicles, home appliances, and other items embedded with electronics, software, sensors, actuators) connected through internet which enables these things to exchange data. This creates opportunities for more direct integration of the physical world into computer-based systems, resulting in efficiency improvements, economic benefits, and reduced human exertions.

The major enterprise IoT platform companies and few open source Internet of things platforms in the article top IoT platform companies.

Kaa IoT Platformr
Kaa is an enterprise-grade IoT platform built on a modern cloud-native architecture and a fully customizable feature set. Based on flexible microservices, Kaa easily adapts to almost any need and application. It scales from a tiny start-up to a massive corporation and supports advanced deployment models for multicloud IoT solutions.

ThingSpeak (open IoT platform with MATLAB analytics)
ThingSpeak™ is an IoT analytics platform service that allows you to aggregate, visualize and analyze live data streams in the cloud. ThingSpeak provides instant visualizations of data posted by your devices to ThingSpeak. With the ability to execute MATLAB® code in ThingSpeak you can perform online analysis and processing of the data as it comes in. ThingSpeak is often used for prototyping and proof of concept IoT systems that require analytics.

Reference: http://www.thetips4you.com/open-source-iot-platform-top-10-open-source-iot-platform/

http://www.thetips4you.com/free-iot-platform-comparison-blynk-cayenne-and-thingsboard/