HTML-Template-Pro is a fast lightweight C template engine that supports syntax of HTML::Template perl module as well as many of its extensions. It consists of core htmltmplpro C library and bindings to perl/php/C#/....
fcache is a PHP cache extension, with a simple syntax and no slow overhead-procedures. Can use different caching-folders for different sites through php.ini/.htaccess.
The template library Qtpl is intended for use in CGI scripts. The library will be released in 6 versions:
Plain Perl, Plain PHP, C version, PHP/C module, Perl/XS version, C++ version. All of them will support uniform syntax.