Thingworx is described as 'ThingWorx was purpose-built from the ground up for the Internet of Things. It contains the most complete set of integrated IoT-specific development tools and capabilities available, offering the industry’s functional capabilities'. There are 2 alternatives to Thingworx, not only websites but also apps for a variety of platforms, including Self-Hosted solutions, SaaS, Windows and Linux. The best alternative is Owlata.
Owlata is a new class of IoT Data Management System (DMS) that works as a global connector for Internet of Things system integration. It automates most of the data processes and connectors, and let you focus on valuable information.
Kaleidoscope is a Cloud IoT platform designed to manage large scale IoT deployments in the field by using a combination of technologies such as Edge Computing, and AI to help lower the barrier of entry for large scale IoT deployments for enterprise.