Access to mailing lists and downloads are available at the Survex web site.

# Survex 1.4.21 Documentation

- Survex 1.4.21 Manual
- Details of user visible changes in this and previous versions (older changes)
- "To do" list (includes known bugs)
- GNU GENERAL PUBLIC LICENSE
- Credits

# Documentation of use to Developers

- Collection of useful information for developers
- Definition of Survex 3d file format (version 8)