$ uname -rs
FreeBSD 12.1-STABLE$ gcc5 --version
gcc5 (FreeBSD Ports Collection) 5.5.0
Copyright (C) 2015 Free Software Foundation, Inc.
$ gcc --version
gcc (FreeBSD Ports Collection) 9.2.0
pkg search --repository FreeBSD gcc
aarch64-gcc-6.4.0_8 Cross GNU Compiler Collection for aarch64
aarch64-gcc6-6.5.0 Cross GNU Compiler Collection for aarch64
aarch64-none-elf-gcc-6.4.0_7 GNU Compiler Collection for bare metal arm cross-development
aarch64-xtoolchain-gcc-0.4_1 Pre seeded toolchain to cross build FreeBSD base
aarch64-gcc9-9.2.0 Cross GNU Compiler Collection for aarch64
amd64-gcc-6.4.0_8 Cross GNU Compiler Collection for amd64
...
gcc-ecj-4.5 Eclipse Java Compiler used to build GCC Java
gcc10-devel-10.0.1.s20200223 GNU Compiler Collection 10
gcc48-4.8.5_11 GNU Compiler Collection 4.8
gcc6-6.5.0_3 GNU Compiler Collection 6
gcc6-aux-20180516_1,1 Version of GCC 6 with full Ada support
gcc7-7.5.0 GNU Compiler Collection 7
gcc8-8.3.0_3 GNU Compiler Collection 8
gcc8-devel-8.3.1.s20200221 GNU Compiler Collection 8
gcc9-9.2.0_1 GNU Compiler Collection 9
gcc9-devel-9.2.1.s20200222 GNU Compiler Collection 9
i386-gcc-6.4.0_8 Cross GNU Compiler Collection for i386
i386-gcc6-6.5.0 Cross GNU Compiler Collection for i386
...
mips-gcc9-9.2.0 Cross GNU Compiler Collection for mips
mips-xtoolchain-gcc-0.4_1 Pre seeded toolchain to cross build FreeBSD base
mips64-gcc-6.4.0_8 Cross GNU Compiler Collection for mips64
...
powerpc-gcc9-9.2.0 Cross GNU Compiler Collection for powerpc
powerpc64-gcc-6.4.0_8 Cross GNU Compiler Collection for powerpc64
powerpc64-gcc6-6.5.0 Cross GNU Compiler Collection for powerpc64
powerpc64-gcc9-9.2.0 Cross GNU Compiler Collection for powerpc64
powerpc64-xtoolchain-gcc-0.4_1 Pre seeded toolchain to cross build FreeBSD base
psptoolchain-gcc-stage1-4.9.3_1 PlayStation Portable development toolchain gcc
psptoolchain-gcc-stage2-4.9.3 PlayStation Portable development toolchain gcc
...
riscv32-unknown-elf-gcc-8.3.0_7 GNU Compiler Collection for bare metal arm cross-development
riscv64-gcc-8.3.0 Cross GNU Compiler Collection for riscv64
riscv64-gcc9-9.2.0 Cross GNU Compiler Collection for riscv64
riscv64-none-elf-gcc-8.3.0_7 GNU Compiler Collection for bare metal arm cross-development
riscv64-xtoolchain-gcc-0.4_1 Pre seeded toolchain to cross build FreeBSD base
sparc64-gcc-6.4.0_8 Cross GNU Compiler Collection for sparc64
sparc64-gcc6-6.5.0 Cross GNU Compiler Collection for sparc64
sparc64-gcc9-9.2.0 Cross GNU Compiler Collection for sparc64
sparc64-xtoolchain-gcc-0.4_1 Pre seeded toolchain to cross build FreeBSD base
zpu-gcc-1.0_1 ZPU gcc compiler