Ange ftp over SSH is a Perl wrapper around ssh that emulates an ftp client. This allows emacs to edit remote files using the ange-ftp package.
Oneliner integrates UNIX shell with Emacs text editor. Oneliner provides various syntax for integration. (e.g. You can connect 'shell pipe' and 'Emacs buffer' directly with simple syntax.)
The "Lib45" string search library provides routines that generate fast string searching code at run-time. The library is written in Assembly language for Intel 32bit CPUs.