HolyC is described as 'Is very similar to regular C, so it's a very simple but powerful language. It was used to make all of TempleOS, so it definitely works to make programs' and is a programming language in the development category. There are more than 50 alternatives to HolyC for a variety of platforms, including Linux, Windows, Mac, BSD and Self-Hosted apps. The best HolyC alternative is Java. It's not free, so if you're looking for a free alternative, you could try Java or Rust. Other great apps like HolyC are C++, Lua, C# and Go (Programming Language).