• Windows 10: WSL (Windows Subsystem for Linux)
• Windows: MinGW-w64 project or STL's MinGW distro

download page

Only newer versions are largely conforming to the modern ISO C++ standard(s).

bundled with C++Builder

bundled with Oracle Developer Studio

Compiler Explorer

• lets you run code through many different compilers
• shows nicely annotated assembly output
• lots of compilers with lots of different versions, also with experimental features
• supports several popular libraries (ranges, {fmt}, …)
• great text editor with multiple cursors, VIM mode, dark mode, …
• code round-trip between Compiler Explorer, C++ Insights and Quick Bench possible

• gcc
• clang
• C++03 - C++2a
• Boost

• gcc 4.9
• Boost 1.55
• C++03 - 14

• C++14