XFig on-line documentation and examples

Documentation for xgridfit

documentation for the eXtensible Multi-Dimensional Simulator

XML Document Formatter documentation

X event recorder/replayer - documentation

Python-powered, cross-platform, Unix-gazing shell (documentation)

Miscellaneous documentation for the X.org X Window System

Core documentation for the X.org X Window System

Extended Object Tcl (XOTcl): Object orientation for Tcl - manual

documentation for the xpore Python package

Developer documentation for the xrootd libraries

documentation for xtensor-blas

documentation for xtensor

Documentation for Yacas

Platform for discrete element modeling. Documentation

HTML documentation for YARA

Ruby documentation tool - documentation

Documentation and examples for Yaws webserver

Z39.50/SRW/SRU toolkit (documentation)

Documentation for Your Own Document Language (Yodl)

documentation for the Yorick interpreted language

Documentation for Yoshimi

Documentation for Yosys

build tool for C/C++ projects using modular components (documentation)

Unicode text editor (Documentation)

Finite Element Analysis Program - documentation

Simple offline API documentation browser

collection of reusable Makefiles (manual pages)

video camera security and surveillance solution (documentation)

zsh documentation - info/HTML format

command line software manager using libzypp (documentation)