Andrew Kane

Run your own data lake with a SQL database and file/object storage

Sync data from one Postgres database to another

Create beautiful JavaScript charts with one line of Ruby

Nearest Neighbor Search with Neighborhood Graph and Tree for High-dimensional Data

The automatic indexer for Postgres

A performance dashboard for Postgres

A/B testing for Rails

Best practices for running Rails in production

Fast batch deletes for Active Record and Postgres

Efficient similarity search and clustering for Ruby

Business intelligence made simple

The simplest way to group temporal data

Catch unsafe migrations in development

The MovieLens database in SQL

Log in as another user in Rails

Bayesian A/B testing calculations for C++

Recommendations for C++ using collaborative filtering

PDF, CDF, and percent-point/quantile functions for the normal and Student’s t distributions

Run ONNX models in PHP

Run ONNX models in Ruby

Seasonal-trend decomposition for C++

Named-entity recognition for Ruby

Timeouts for popular Ruby gems

Email subscriptions for Rails

Postgres partitioning as easy as pie

First-party email analytics for Rails

Simple, powerful, first-party analytics for Rails

Keep personal data out of your logs

Modern encryption for Ruby and Rails

Awesome free legal documents for companies