sparc
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, PowerPC, RiscV, S390x, TriCore, X86)
Cemu is a simple assembly/dissembly/emulation IDE that provides an easy Plug-n-Play environment to start playing with many architectures (currently supports x86-{32,64}, ARM, AARCH64, MIPS, MIPS64, SPARC and PPC).
GEF (GDB Enhanced Features) - a modern experience for GDB with advanced debugging capabilities for exploit devs & reverse engineers on Linux