Ladybird is an independent, open-source web browser built from scratch with a focus on performance, standards compliance, and user privacy.

Ladybird demo screenshot

About Ladybird

Ladybird is a completely new web browser engine and application developed independently from existing browser codebases like Chromium, Firefox, or Safari. The project aims to create a modern, fast, and secure browsing experience while maintaining full compatibility with web standards. Built with a clean architecture and modern C++ practices, Ladybird prioritizes user privacy, performance, and adherence to web specifications. The browser is developed as part of the SerenityOS ecosystem but runs on multiple platforms including Linux and macOS.

Key Features

  • Independent browser engine built from scratch without relying on existing codebases
  • Strong focus on web standards compliance and specification adherence
  • Privacy-first approach with no tracking or data collection
  • Cross-platform support for Linux, macOS, and SerenityOS
  • Modern C++ codebase with clean architecture and performance optimization
  • Active open-source development with transparent development process
  • Lightweight and fast rendering engine designed for efficiency