NiceChat

A rich featured LLM chat UI using NiceGUI and pure python.

https://github.com/user-attachments/assets/066db76c-c17d-41c5-970d-6aea1fe6f354

Installation

uv pip install nicechat

Features

• Minimal NiceGUI based web interface

• Markdown rendering with rich format support:

  • LaTeX math
  • tables
  • wavedrom
  • mermaid

• Small code base, easy to customize

• MCP support (TODO)

• Persistent chat history in plain text file

• Streaming responses

Usage

Web Interface

# Web interface (default)
nicechat

# Native desktop window
nicechat --native

# Specify a different file to start a new thread
nicechat --history-file history.json

Development

# Setup environment
uv venv
uv pip install -e .