Top 3 Scala Parquet Projects

adam

3 967 6.1 Scala

ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.

Project mention: biobear -- python package with minimal dependencies for bioinformatic file parsing and querying using rust and polars as the backend | /r/bioinformatics | 2023-04-24

FYI: ADAM seems to do that

parquet4s

1 271 8.3 Scala

Read and write Parquet in Scala. Use Scala classes as schema. No need to start a cluster.
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Schemer

0 112 0.0 Scala

Schema registry for CSV, TSV, JSON, AVRO and Parquet schema. Supports schema inference and GraphQL API.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).