Comparison of assemblers

Columns: Assembler | Operating system | FOSS | License | Development active
MASM | Windows , DOS , OS/2 | No | Microsoft EULA | Since 1981 | NASM | Linux , macOS , Windows , DOS , OS/2 | Yes | BSD | Yes | Tim Paterson 's ASM | 86-DOS , DOS DEBUG | No | Proprietary | 1979-1983 | TASM | Windows , DOS | No | Proprietary | ? | TCCASM | Unix-like , Windows | Yes | LGPL | Yes | vasm | various | Yes | Free | Yes | Xenix | Xenix 2.3 and 3.0 ( before 1985 ) | No | Proprietary | 1982-1984 | Yasm | Windows , DOS , Linux , Unix-like | Yes | BSD | No

Example questions:
What language did this compiler utilize to achieve portability that was supported by this operating system first released in 1987 ? | What do people refer this system as on which this ARM processor C compiler created by Fabrice Bellard ran ? | Who developed this compact commercial assembler that ran on this operating system introduced by Microsoft ? | Which company developed this computer assembler that ran on this operating system first introduced in 1981 ?

Answers:
intermediate language | UN*X or *nix | Eric Isaacson | Borland