Knowhere – Rust-Based SQL Engine with TUI and GUI (Built on DataFusion)

Show HN: Knowhere – Rust-Based SQL Engine with TUI and GUI (Built on DataFusion)

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Hello HN,I built Knowhere, a lightweight SQL engine written in Rust that lets you query CSV, Parquet, Delta Lake, and SQLite files directly—no database import required.It’s built on top of Apache DataFusion for high-performance vectorized query execution and supports two interfaces:1. Interactive TUI: A Vim-style terminal interface (using Ratatui) for quick data exploration.2. Desktop GUI: A modern IDE-like experience (built with Tauri + React) with a Monaco editor and glorious dark mode.I wanted a tool that combines the speed of DataFusion with a rich user experience for local data analysis. It handles joins across different file formats, supports complex queries (CTEs, Window Functions), a

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Website: saivarunk.github.io/knowhere