Investment Research for Everyone, Everywhere.

Automated testing to find logic and performance bugs in database systems

Tool to benchmark HiveServer2 over JDBC

System design interview for IT companies

ZetaSQL - Analyzer Framework for SQL

Fluorite: Apache Calcite trace analyzer

A simple JIRA REST client for Java

SEC Edgar Scraper and XBRL Parser/Renderer

A heads up display for git

FoundationDB - the open source, distributed, transactional key-value store

Readings in distributed systems

Python script to export Robinhood trades to a CSV file

📚 List of awesome university courses for learning Computer Science!

A command line shell for trading stocks using Robinhood

SQL powered operating system instrumentation, monitoring, and analytics.

Python Framework to make trades with the unofficial Robinhood API

Chrome and Firefox extension that displays availability of ebooks and audiobooks from your local library on Good Reads pages.

Postgres Explain Visualizer

Apache Drill is a distributed MPP query layer for self describing data

the database manager for Apache Hive

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

Example source code accompanying O'Reilly's "Hadoop: The Definitive Guide" by Tom White

Apache Hive

The official home of the Presto distributed SQL query engine for big data

Apache Spark - A unified analytics engine for large-scale data processing

A slightly moist lipstick-on-pig clone for Apache Hive

Idempotent query executor

Scala API for atpworldtour.com tennis statistics

Vagrant files creating multi-node virtual Hadoop clusters with or without security.