LEKTRA is designed with focus on high performance, providing as much screen real-estate as possible and with no sacrifice on configurability. There's good wayland support (thanks to qt6). Features like Jump Markers, History Navigation, Sessions etc. are something I personally couldn't find in any other PDF readers.

If you are looking for a lightweight yet powerful PDF reader that can be tailored to your preferences — particularly if you read PDFs heavily for research, academics, or daily work — LEKTRA is a great choice.

LEKTRA uses the following libraries:

• MuPDF as the PDF library
• DjVuLibre as the DjVu library
• Qt6 as the Graphical User Interface library
• Lua as the embedded scripting language
• TOML++ for parsing config file
• JSON for Modern C++ for managing session files and recent files
• Argparse for parsing command line arguments

Contributions are welcome! The source code is hosted on both GitHub and Codeberg, kept in sync as mirrors of each other. Hosting on two platforms is a deliberate choice — if one becomes unavailable, the project remains accessible and development can continue uninterrupted. Feel free to open pull requests on either platform.

Please report bugs and request features through the GitHub Issues page.