Delta GitHub Repositories (2026) · Open Source Tools

Lossless AI compression: 33% less GPU memory, bit for bit.

Self-hosted mail server for your own domain: SMTP/IMAP/POP3, CardDAV/CalDAV, React webmail and admin console, one-command Docker Compose.

Apache XTable (incubating) is a cross-table converter for lakehouse table formats that facilitates interoperability across data processing systems and query engines.

Decentralized private messenger with chat-shared tools and games for Android

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

Apache Doris is a real-time analytics and hybrid search database for AI agents.

A native Rust library for Delta Lake, with bindings into Python

ArcaneChat for Android: ⚡ Fast encrypted chats for the family

A highly efficient daemon for streaming data from Kafka into Delta Lake

finite element analysis package for civil engineering structures.

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

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.