QuestDB is a high performance, open-source, time-series database

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

High-performance data engine for AI and multimodal workloads. Process images, audio, video, and structured data at any scale

Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.

Blazing-fast Data-Wrangling toolkit

Official Rust implementation of Apache Arrow

Create full-fledged APIs for slowly moving datasets without writing a single line of code.

Apache Parquet Java

The fastest business intelligence tool for humans and agents.

Apache Parquet Format

Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and compute-intensive AI workloads.

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

Real-time analytics on Postgres tables

Petastorm library enables single machine or distributed training and evaluation of deep learning models from datasets in Apache Parquet format. It supports ML frameworks such as Tensorflow, Pytorch, and PySpark and can be used from pure Python code.

A large-scale entity and relation database supporting aggregation of properties

Apache Kafka® compatible broker with S3, PostgreSQL, SQLite, Apache Iceberg and Delta Lake

Query anything (GitHub, Notion, +40 more) with SQL and let LLMs (ChatGPT, Claude) connect to using MCP

cryo is the easiest way to extract blockchain data to parquet, csv, json, or python dataframes

Tonbo is an embedded database for serverless and edge runtimes.

Open-source Snowflake & Fivetran alternative, with Postgres compatibility.