C and C++ are high performance,
We have been using both languages since 1990 to develop Windows and macOS applications, static and shared libraries, Windows services, macOS launch daemons and Microsoft ISAPI extensions.
We have several years experience of many common C/C++ libraries and frameworks, such as STL, Boost, libxml2, OpenSSL, pthread, sockets, Jansson, ODBC, SQLite, Win32, MFC, ATL, WMI and FFmpeg.
Elixir is a functional programming language, created by José Valim in 2011, for
Elixir is built upon the battle tested Erlang BEAM virtual machine, originally developed by
the Ericsson Computer Science Laboratory in the late 1980's.
Elixir and its ecosystem is truly wonderful to work with and since 2017 is our language of choice for developing web applications, distributed applications and REST API's.
We have been using HTML since 2002 and in 2011 we built Windows and macOS native applications which use HTML (encrypted) for their user interfaces.