the MiKTeX source code
Cross-platform SDK for creating and modifying PDF documents
Lexbor is development of an open source HTML Renderer library
The Apache Kafka C/C++ library
An implementation of the TLS/SSL protocols
Bug-fix-only libev port of shadowsocks
A fast and reliable ARQ protocol
The FRRouting Protocol Suite
SC is a C based meta/programming language/environment
Fast XML parser library in C
File Format Converter Between HEX / BIN / ELF
Development toolkit for Web Services and XML data bindings for C & C++
Fast editor for TeX documents
Industry standard communication with compliant image generators.
Dynamically loaded extension libraries for GNU AWK
C library for reading/writing values from/to Excel .xlsx files.
Command-line calculator for Maidenhead- (QTH-, QRA-) Locators.
Web Framework to build REST APIs, Webservices or any HTTP endpoint
Read and write Gwyddion GWY files
Simple, lightweight XML parser in C, statically or dynamically linked.
Improved JPEG encoder
JSON Parser written in C that outputs JSON into D-List list objects
FlatBuffers Compiler and Library in C for C