KairosDB vs Vitess: What are the differences?
KairosDB: Fast Time Series Database on Cassandra. KairosDB is a fast distributed scalable time series database written on top of Cassandra; Vitess: It is a database clustering system for horizontal scaling of MySQL. It is a database solution for deploying, scaling and managing large clusters of MySQL instances. It’s architected to run as effectively in a public or private cloud architecture as it does on dedicated hardware. It combines and extends many important MySQL features with the scalability of a NoSQL database.
KairosDB and Vitess belong to "Databases" category of the tech stack.
KairosDB is an open source tool with 1.46K GitHub stars and 302 GitHub forks. Here's a link to KairosDB's open source repository on GitHub.