X11 font rasterisation library (development headers)

FreeType-based font drawing library for X (development files)

X11 Graphical Kernel Subsystem, development files

X11 Input extension library (development headers)

xine video player library – development packages

X11 Xinerama extension library (development headers)

Xilinx Intermediate Representation (XIR) for deep learning algorithms (develop)

Library to load and save XISF images development files

library interface to the XKB compiler - development files

library to create keymaps with the XKB X11 protocol - development files

X11 keyboard file manipulation library (development headers)

library to query available RMLVO - development files

Development files for libxklavier

Library for XLSX -- development library of xlsxwriter

Motif widget for displaying HTML 3.2 (development files)

C++ interface to the GNOME XML library (libxml2) - dev files

GNOME XML library - development files

XML/Ada, a full XML suite for Ada programmers (dom)

XML/Ada, a full XML suite for Ada programmers (input sources)

XML/Ada, a full XML suite for Ada programmers (sax)

XML/Ada, a full XML suite for Ada programmers (schema)

XML/Ada, a full XML suite for Ada programmers (unicode)

Development files for libxmlb

XML parser written in Vala (development files)

Easy-to-use library for emitting XML from Ada programs, dev files

Lightweight RPC library based on XML and HTTP [C++ development libraries]

Lightweight RPC library based on XML and HTTP [C development libraries]

Development files for libxmlrpc-epi0t64, a XML-RPC request library

development files for Robot OS libxmlrpcpp

Lightweight RPC library based on XML and HTTP [extra development libraries]

Development files for the XML security library

C++ library for XML Digital Signatures (development)

XML Parser Toolkit, developer libraries

C++ XML parsing library with encryption support (development)

module file rendering library -- development files

Graphical user interface for MPI program development

X11 miscellaneous utility library (development headers)

X11 miscellaneous utility library headers

X11 miscellaneous micro-utility library (development headers)

X event recorder/replayer - development files

development files for xneur frontends and plugins.

NV-CONTROL X extension (development files)

X On-Screen Display library - development

Seamless communication between Unix programs (development files)

Light weight component system (Development libraries and headers)

X11 pixmap library (development headers)

X11 Present extension library (development headers)

QDBM Database Libraries for C++ [development]

X11 RandR extension library (development headers)

X Rendering Extension client library (development files)