SQL
TensorBase is a new big data warehousing with modern efforts.
A cross platform way to express data transformation, relational algebra, standardized record expression and plans.
A Scala API for Apache Beam and Google Cloud Dataflow.
PRQL is a modern language for transforming data — a simple, powerful, pipelined SQL replacement
Parseable is an observability datalake built from first principles.
Sift is a basic, Relational Algebra based query engine built on top of Apache Arrow. It draws inspiration from Andy Grove's KQuery.
Easy to use open source fast database for search | Good alternative to Elasticsearch | Drop-in replacement for E in the ELK stack