Apache Ossie, industry wide specification effort to standardize how we exchange semantic metadata across analytics, AI and BI platforms, providing a vendor neutral, single source of truth for seman…

Obsidian plugin that automatically creates notes by searching for books

Sentry integration for structlog

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

A SQL database in Rust: SQLite-compatible, now also speaking Postgres (experimental). The LLVM of databases.

ERRor ANnotation Toolkit: Automatically extract and classify grammatical errors in parallel original and corrected sentences.

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals

Monitor Memory usage of Python code

a Hassle-Free Python Experience

Official Rust implementation of Apache Arrow

Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

A scalable, distributed, collaborative, document-graph database, for the realtime web

Apache DataFusion Ballista Distributed Query Engine

Aioresponses is a helper for mock/fake web requests in python aiohttp package.

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

Apache DataFusion SQL Query Engine

DuckDB is an analytical in-process SQL database management system

The fastest business intelligence tool for humans and agents.

Hopsworks - Data-Intensive AI platform with a Feature Store

Core validation logic for pydantic written in rust

The property-based testing library for Python

Free MLOps course from DataTalks.Club

SQL Lineage Analysis Tool powered by Python

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

A light-weight, flexible, and expressive statistical data testing library

Pydantic model for the AsyncAPI (v2) specification schema

Data Contracts engine for the modern data stack. https://www.soda.io

Cloud-native OSS search engine for observability

Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.