TI Nspire calculator emulator
To manually install firebird with Homebrew, use the following command:
Current version of firebird-emu.app: 1.6
ARM: https://github.com/nspire-emus/firebird/releases/download/v1.6/firebird-emu_macOS.zip
Intel: https://github.com/nspire-emus/firebird/releases/download/v1.6/firebird-emu_macOS.zip