Name	Type	last Δ	target	license	IPS	source
ARMISS	ISS	2008	ARM	proprietary	?	[17]
ARMulator	ISS	2003	ARM	proprietary	?	[18], [19]
Bochs	FSE	2020	x86	LGPL	?	[26], [27]
gem5	FSS	2020	Alpha, ARM, MIPS, PowerPC, RISC V, SPARC, x86, Caches, Busses, NoCs, ...	BSD like	0.2-3 MIPS	[3], [8], [9], [10]
MARSSx86	FSS	2019	x86	open-source	0.15-0.3 MIPS	[24], [25]
or1kiss	ISS	2020	OpenRISC 1000	Apache License 2.0	10-50 MIPS	[16]
OVPsim	FSS	2020	ARM, Synopsys ARC, MIPS, PowerPC, ...	parts are open-source, free of charge for non-commercial use	up to 1000 MIPS	[8], [15]
PTLsim	FSS	2012	x86	GNU GPLv2	?	[8], [13]
QEMU	FSE	2020	ARM, Microblaze, SPARC, PowerPC, x86	GPLv2	50-200 MIPS	[10], [22], [23]
Shade	ISS	1994	SPARC, MIPS	proprietary	?	[21]
SimpleScalar	FSS	2011	Alpha, ARM, PowerPC, x86, Caches	open-source, custom license	0.35-10 MIPS	[8], [14]
sniper	ISS	2020	x86	MIT	?	[28]
Synopsys DesignWare ARC nSIM	ISS	2020	Synopsys ARC	proprietary	20MIPS (interpretive), 475 MIPS (JIT)	[20]
Wind River Simics	FSS	2020	Alpha, ARM, MIPS, PowerPC, SPARC, x86	proprietary	?	[8], [11], [12]