Language	Version	Available in	View online
ASF		SDF Library 1.0	browse
AsFix		SDF Library 1.0	browse
ATerm		SDF Library 1.0	browse
Bibtex		Bibtex-tools
Box		GPP
C++		EPITA's Transformers Project
C Preprocessor		SDF Library 1.0	browse
Dot (GraphViz)		Stratego/XT Utils
HQL		WebDSL	browse
JavaScript		See ECMAScript
Jimple		Under development
JSP		Under development in StringBorg
Octave		Under development in the Stratego Octave Compiler
Prolog		Prolog-tools
Shell		Under development in StringBorg
Similix (subset of Scheme)		Similix in Stratego
SDF		SDF Library 1.0	browse
Tiger		Tiger in Stratego
Stratego	0.9 - latest	StrategoXT/stratego-front
XML	1.0	StrategoXT/xml-front
XPath	1.0	Under development in StringBorg
Java	1.4	Java-front
Java	1.5	Java-front	browse
PHP	4	PHP-front	browse
PHP	5	PHP-front	browse
AspectJ	5.0	AspectJ-front	browse
SQL	92	SQL-front
C	ad-hoc	StrategoXT/c-tools
C	ANSI-C (?)	SDF Library 1.0	browse
C	C99	EPITA's Transformers Project
ECMAScript	Edition 3 (ECMA-262)	Under development in ECMAScript-front
VDM-SL	ISO/IEC 13817-1:1996	VooDooMFront
URI	RFC 1738	Nix (will be moved to some other location)
LDAP Search Filters	RFC 4515	StringBorg

Please add references to grammars you know about!

This list is maintained mostly by Martin Bravenboer. Please contact me if you cannot find a grammar or one of the links is broken.