Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

A curated list of awesome C frameworks, libraries, resources and other shiny things. Inspired by all the other awesome-... projects out there.

A C++ library for reading, writing, creating and modifying Microsoft Excel® (.xlsx) files.

Mac OS-themes for the Linux-Gnome desktop

code for the C functions strftime() strptime() that deal with conversion of dates and times on input & output for Windows and Linux

Easy to use, modular, header only, macro based, generic and type-safe Data Structures in C

qLibc is a simple and yet powerful C library providing generic data structures and algorithms.

A modern, user friendly, generic, type-safe and fast C99 container library: String, Vector, Sorted and Unordered Map and Set, Deque, Forward List, Smart Pointers, Bitset and Random numbers.

Ultra fast JSON decoder and encoder written in C with Python bindings

Simple C PDF Writer/Generation library

Embedded graphics library to create beautiful UIs for any MCU, MPU and display type.

libharu - free PDF library

str: yet another string library for C language.

C++ library for creating and modifying Microsoft Word (.docx) files

XLSX I/O - C library for reading and writing .xlsx files

Read binary Excel files from C/C++

Thefatrat a massive exploiting tool : Easy tool to generate backdoor and easy tool to post exploitation attack like browser attack and etc . This tool compiles a malware with popular payload and th…

A C library for creating Excel XLSX files.