| [PCRE2](https://www.pcre.org/) | The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. |
| [pkg-config](https://www.freedesktop.org/wiki/Software/pkg-config/) | pkg-config is a helper tool used when compiling applications and libraries. It helps you insert the correct compiler options on the command line so an application can use gcc -o test test.c `pkg-config --libs --cflags glib-2.0` for instance, rather than hard-coding values on where to find glib (or other libraries). |
| [pkgconfig](https://github.com/matze/pkgconfig) | pkgconfig is a Python module to interface with the pkg-config command line tool |
| [protobuf](https://github.com/google/protobuf/) | Google Protocol Buffers |
| [Qt5](https://qt.io/) | Qt is a comprehensive cross-platform C++ application framework. |
| [SQLite](https://www.sqlite.org/) | SQLite: SQL Database Engine in a C Library |
| [squashfs-tools](http://squashfs.sourceforge.net/) | Squashfs is a local_compressed read-only filesystem for Linux. |
...
...
@@ -168,6 +169,7 @@
| [libxml2](http://xmlsoft.org/) | Libxml2 is the XML C parser and toolchain developed for the Gnome project (but usable outside of the Gnome platform). |
| [libyaml](https://pyyaml.org/wiki/LibYAML) | LibYAML is a YAML parser and emitter written in C. |
| [lz4](https://lz4.github.io/lz4/) | LZ4 is lossless compression algorithm, providing compression speed at 400 MB/s per core. It features an extremely fast decoder, with speed in multiple GB/s per core. |
| [NCCL](https://developer.nvidia.com/nccl) | The NVIDIA Collective Communications Library (NCCL) implements multi-GPU and multi-node collective communication primitives that are performance optimized for NVIDIA GPUs. |
| [nettle](http://www.lysator.liu.se/~nisse/nettle/) | Nettle is a cryptographic library that is designed to fit easily in more or less any context: In crypto toolkits for object-oriented languages (C++, Python, Pike, ...), in applications like LSH or GNUPG, or even in kernel space. |
| [NSPR](https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSPR) | Netscape Portable Runtime (NSPR) provides a platform-neutral API for system level and libc-like functions. |
| [NSS](https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS) | Network Security Services (NSS) is a set of libraries designed to support cross-platform development of security-enabled client and server applications. |
