1. Symbolic Assembly Language Trainer. Assembly-like language implemented in BASIC by Kevin Stock, now at Encore in France.

2. Sam And Lincoln Threaded language. A threaded extensible variant of BASIC. "SALT", S.D. Fenster et al, BYTE (Jun 1985) p.147.

[jargon file]

A tiny bit of near-random data inserted where too much regularity would be undesirable; a data frob (sense 1). For example, the Unix crypt(3) manual page mentions that "the salt string is used to perturb the DES algorithm in one of 4096 different ways."