Pretzel

Pretzel is an open-source, offline browser-based tool for fast and intuitive data exploration and visualization. It can handle large data files, runs locally in your browser, and requires no backend setup. Pretzel makes it easy to manipulate data via visual chained data transform blocks. It's also reactive - chaging an tranform block in the chain automatically updates all transform blocks and charts that follow.

Features:

• 🚀 Blazing-fast performance with WebAssembly-based DuckDB and PRQL
• 🔍 Intuitive data exploration with a visual, top-down pipeline of data transformations and visualizations
• 🧠 AI-powered transformation block to help with fast data manipulation
• 🔒 Privacy-first design: run Pretzel AI locally or host it yourself for full control over your data
• 📊 Upcoming features: Local LLM support, API calls, in-browser Python support with Pyodide, save and share workflows securely and canvas based table rendering