ParquetSharp is a .NET library for reading and writing Apache Parquet files.
Big Data GitHub Repositories (2026) · Open Source Tools
Discover the best Big Data open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
Extensible SQL Lexer and Parser for Rust
Apache Calcite
Apache Beam is a unified programming model for Batch and Streaming data processing.
Apache Drill is a distributed MPP query layer for self describing data
The Open Source Feature Store for AI/ML
Apache Ignite
Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and compute-intensive AI workloads.
Apache Paimon is a lake format that enables building a Realtime Lakehouse Architecture with Flink and Spark for both streaming and batch operations.
Collaborative Datacenter Simulation and Exploration for Everybody
Open-Source Web UI for managing Apache Kafka clusters
YTsaurus is a scalable and fault-tolerant open-source big data platform.
Apache Ambari simplifies provisioning, managing, and monitoring of Apache Hadoop clusters.
Distributed Big Data Orchestration Service
Extension for Scikit-learn is a seamless way to speed up your Scikit-learn application