Lot of interesting OSS observability products coming out in recent years. One of the more impressive(and curious for many reasons) IMHO is OpenObserve: https://github.com/openobserve/openobserve .
As opposed to just a stack, they are implementing just about the whole backend shebang from scratch.
How does it compare to competitors, and what are the differences between the cloud offering and the open source version? Their web site barely mentions the open source part.
As opposed to just a stack, they are implementing just about the whole backend shebang from scratch.