Open Watcom Assembler

[1][2][3] Further development is being done on the 32- and 64-bit JWASM project,[4] which more closely matches the syntax of Microsoft's assembler.

Support for PowerPC, Alpha AXP, MIPS, and SPARC V8 instruction sets is also built in.

[8] JWasm is a fork of Wasm originated by Japheth with following features: Japheth paused development (or rather, was out of contact) of JWASM in January 2014 with version 2.12pre, but currently continues work on project on GitHub,[10] current (June 2024) version is 2.18.

HJWasm, adding the prefix H in reference to Masm32 forum member Habran who started off this second WASM development continuation.

The name was used following a MASM Forum discussion thread that originally proposed a replacement name.