Crowsnest vs lelylan: What are the differences?
Developers describe Crowsnest as "Crash Analytics for the Internet of Things". Quickly diagnose or even preempt customer problems on a per-unit or global basis. Immediate access to historical data about product behavior leading to a problem or crash. 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.
Crowsnest and lelylan can be categorized 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.