| [Qt5](https://qt.io/) | Qt is a comprehensive cross-platform C++ application framework. |
| [Spack](https://spack.io/) | Spack is a package manager for supercomputers, Linux, and macOS. It makes installing scientific software easy. With Spack, you can build a package with multiple versions, configurations, platforms, and compilers, and all of these builds can coexist on the same machine. |
| [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. |
| [typing-extensions](https://github.com/python/typing/blob/master/typing_extensions/README.rst) | Typing Extensions – Backported and Experimental Type Hints for Python |