ClickHouse® is a real-time analytics database management system

DuckDB is an analytical in-process SQL database management system

Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk

A data visualization and analytics component, especially well-suited for large and/or streaming datasets.

Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.

Taskwarrior - Command line Task Management

GoogleSQL(formerly ZetaSQL) - Analyzer Framework for SQL

DuckLake is an integrated data lake and catalog format

Timewarrior - Commandline Time Tracking and Reporting