Alternatives to Miller

Apache Beam

Beam suits data and software developers building data-processing pipelines on supported back ends, especially when a shared model for batch and streaming is useful.

Coalesce Catalog

It is intended for data engineers and analysts, while Coalesce says it is designed for organization-wide use without training.

Cube

Cube suits organizations seeking shared business definitions across internal dashboards, embedded analytics, and AI-agent responses.

Apache Hop

Apache Hop suits teams building data integration pipelines or orchestrated workflows across the listed databases, services, and execution environments.

Bonobo

Bonobo is for Python developers who want to build ETL jobs from code and small, testable transformations.

dbt Semantic Layer

The Semantic Layer suits data teams that need governed metrics for analytics, embedded applications or AI use cases.

jq suits people who need to query or reshape JSON from a command line, including when working with large inputs.

Alteryx Designer

Alteryx describes the platform for analysts and operations teams who connect data, apply business logic, and automate insights.

data.table

It suits R users working with large tabular datasets through code on Linux, macOS, or Windows.

Ibis may suit practitioners, data platforms, organizations, and library developers working with Python dataframes across query engines.

csvkit suits developers, desktop users, and science or research users who work with CSV data through command-line workflows.

dplyr suits people transforming data frames or tibbles in R, including learners following R for Data Science.

It suits teams building shared analytics for cloud, server, CRM, collaboration, and regulated-industry environments.

KNIME Analytics Platform

The desktop platform suits people who want to build data workflows visually, including those who need to combine visual steps with Python, R, or JavaScript.

OpenRefine

OpenRefine suits journalists, media professionals, and staff at galleries, libraries, archives, or museums who prepare and enrich data.

Polars

Polars suits developers working with data in Python, Rust, or JavaScript who want a code-based DataFrame library.

LANSA

LANSA is aimed at IT and development teams working on enterprise business solutions, particularly those using IBM i.

Malloy is aimed at people working with data models and queries, particularly SQL users whom the project says can understand it readily.