Some extensions to MHC -- Message Harmonized Calendaring system.
Reftex version supporting citations from RIS, Eprints XML, METS files and external databases - RefDB and Eprints3
Client for Emacsen to search/get BibTeX entries from PubMed and Hubmed.
rcirc-x is an extension to rcirc.el, an IRC client in Emacs.
A test runner Emacs mode for ruby tests. Can run test/unit tests and rspec behaviour specifications.
Composable regexps for emacs lisp.
sydict is a dictionary interface in emacs written with elisp by sylvester.
support for ClearCase version control system in GNU Emacs
vimrc-mode.el for emacs. It's completely not acceptable for 20+ years later, there is not even a mode for editing vimrc files for emacs.
A brand-new powerful major mode for editing verilog sources in Emacs.
Display MSDN Library via emacs-w3m on Emacs.
A retro fighter game made in response to Word War vi <http://wordwarvi.sourceforge.net/>
z390 Mode is a GNU Emacs and XEmacs mode for editing s370,s390,z900 asm files.