Orcus is a library that provides a collection of standalone file processing filters. It is currently focused on providing filters for spreadsheet documents. The library includes import filters for Microsoft Excel 2007 XML, Microsoft Excel 2003 XML, Open Document Spreadsheet, Plain Text, Gnumeric XML, Generic XML. It also includes low-level parsers for CSV, CSS and XML.

Librevenge is a base library for writing document import filters. It has interfaces for text documents, vector graphics, spreadsheets and presentations.

libqxp is a library and a set of tools for reading and converting QuarkXPress file format. It supports versions 3.1 to 4.1.

Libabw is a library that parses the file format of AbiWord documents.

Libetonyek is a library that parses the file format of Apple Keynote documents. It currently supports Keynote versions 2 to 5.

Libe-book is a library and a set of tools for reading and converting various reflowable e-book formats. Currently supported are: Broad Band eBook, eReader .pdb, FictionBook v. 2 (including zipped files), PalmDoc Ebook, Plucker .pdb, QiOO (mobile format, for java-enabled cellphones), TCR (simple compressed text format), TealDoc, zTXT, ZVR (simple compressed text format).

Libwps is a library for importing files in the Microsoft Works word processor file format.

The libnumbertext library provides language-neutral NUMBERTEXT and MONEYTEXT functions for LibreOffice Calc, available for C++ and Java.

LibreWolf is designed to increase protection against tracking and fingerprinting techniques, while also including a few security improvements. This is achieved through our privacy and security oriented settings and patches. LibreWolf also aims to remove all the telemetry, data collection and annoyances, as well as disabling anti-freedom features like DRM.

GNU libsigsegv is a library to handle page faults, which occur when a program tries to access an unavailable region of memory, in user mode. By catching and handling page faults, the program can implement pageable virtual memory, stack overflow handlers, and so on.

GNU libunistring is a library providing functions to manipulate Unicode strings and for manipulating C strings according to the Unicode standard.

The primary goal of this project is to define a portable and efficient C programming interface (API) to determine the call-chain of a program. The API additionally provides the means to manipulate the preserved (callee-saved) state of each call-frame and to resume execution at any point in the call-chain (non-local goto). The API supports both local (same-process) and remote (across-process) operation. As such, the API is useful in a number of applications.

Libusb is a library that gives applications easy access to USB devices on various operating systems.

This package provides Java JNI bindings to the libusb library for use with usb4java.

PyUSB aims to be an easy to use Python module to access USB devices.

This package provides ifuse, a command to mount iOS devices and access their contents.

This package provides a client library to multiplex connections from and to iOS devices by connecting to a socket provided by a usbmuxd daemon.

Libusb is a library that gives applications easy access to USB devices on various operating systems. This package provides a Python wrapper for accessing libusb-1.0.

Libmtp implements an MTP (Media Transfer Protocol) initiator, which means that it initiates MTP sessions with devices. The devices responding are known as MTP responders. Libmtp runs on devices with a USB host controller interface. It implements MTP Basic, which was proposed for standardization.

The hidapitester program is a simple, low-dependency command-line tool to test out every API call in hidapi.

This package provides an interface to manage IPA format files and applications for iOS devices, it's written in C

This package provides a small portable C library to handle Apple Property List files in binary or XML.

gMTP is a simple graphical client for the Media Transfer Protocol (MTP), which allows media files to be transferred to and from many portable devices.

The gousb package is an attempt at wrapping the libusb library into a Go-like binding.