.SYN

.SYN file extension

This is the basic program to work with .SYN extension

TextPad

TextPad Syntax Definition File

TextPad is an extremely light text editor in the style of Notepad, but with many other features. Despite its simplicity, the tool can help you perform a variety of writing tasks, such as creating memos, programming code, editing lists, etc. At first sight, TextPad’s interface resembles those of other similar tools, so it is highly unlikely that anyone can have trouble to use it... (more)

The program works with the following extensions: ini, log, htm, nfo, dat, php, html, c, h, pl, sh, rb, tpw, pas, cfm, pod, inf, ddl, jav, sql, tcl, asm, glo, cpp, syn, bak, inc, conf, java and 132

.SYN extension is also supported by the following programs:

JCreator Pro

JCreator Pro JCreator.syn

It is faster, more efficient and more reliable than other Java IDE’s.
SimSynth

SimSynth SimSynth Document

SIMSYNTH produces rich strings with surrounded brass and deep basses.
LSMC

LSMC Syndicate File

Lottery Syndicate Manager App, reduce your workload, and saves time. (UK only).