AWS Greengrass vs lelylan: What are the differences?
AWS Greengrass: Local compute, messaging, data caching, and synch capabilities for connected devices. Greengrass lets you run IoT applications seamlessly across the AWS cloud and local devices using AWS Lambda and AWS IoT; lelylan: 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.
AWS Greengrass 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.