apache/datafusion
Apache DataFusion SQL Query Engine
An extensible, state-of-the-art framework for columnar compression, and the fastest FOSS columnar file format. Formerly at @spiraldb, now an Incubation Stage project at LFAI&Data, part of the Linux Foundation.
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Latest capture 2026-09-13 03:06
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Apache DataFusion SQL Query Engine
Add a real-time analytics node to your operational database. Spice is a portable, accelerated SQL query, search, and LLM-inference engine in Rust for data-grounded AI apps and agents.
A lightweight, lightning-fast, in-process vector database
Local-first knowledge graph for developers. Watches your files, builds a knowledge graph with LLMs, lets you query across projects.
Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.
Cold storage that queries like hot storage. High-ratio JSONL compressor with block-level random access. Query cold storage in seconds — no restore, no full decompression. 5–13% ratio on JSONL logs, 25–57% smaller than gzip. 1-hour window via DuckDB in under 6s. Free for personal and open-source use.