Google Cloud IoT Core vs lelylan: What are the differences?
Developers describe Google Cloud IoT Core as "A fully managed service to easily and securely connect, manage, and ingest data from globally dispersed devices". Cloud IoT Core is a fully managed service that allows you to easily and securely connect, manage, and ingest data from millions of globally dispersed devices. Cloud IoT Core, in combination with other services on Google Cloud IoT platform, provides a complete solution for collecting, processing, analyzing, and visualizing IoT data in real time to support improved operational efficiency. On the other hand, lelylan is detailed as "Open Source Lightweight Microservices Architecture for the Internet of Things". The Lelylan platform is both hardware-agnostic and platform-agnostic. This means that you can connect any hardware, from the ESP8266 to the most professional embedded hardware solution and everything in between - and it can run on any public cloud, your own private datacenter, or even in a hybrid environment, whether virtualized or bare metal.
Google Cloud IoT Core and lelylan can be primarily classified as "Internet of Things Services" tools.
lelylan is an open source tool with 1.39K GitHub stars and 88 GitHub forks. Here's a link to lelylan's open source repository on GitHub.