Mup produces very high quality PostScript printed music or a MIDI file from a text input file. It can handle almost any kind of music, instrumental or vocal, including tablature, shaped notes, guitar grids, alternate tunings, user-defined symbols, and much more. Mup has been under active development since 1992.
SibylSQL is a portable, full-fledged, next-generation, client-server, multi-threaded, object-relational database system. The primary technical contribution to the database community is the inclusion of the SQL Dialect Interface (SDI), originally written for the NightStar NEXTGRES database. The SDI allows a DBA to grant users or applications the ability to translate vendor-specific SQL such as Oracle, SAP DB, MSSQL, and PostgreSQL, into a native SibylSQL parse tree via dynamically loadable objects at run-time.
Nemerle is a hybrid (functional, object-oriented and imperative) programming language for the .NET platform. The key features of the language include C#-like syntax, easy access to functional, object-oriented, and imperative features, powerful code-generating macros, variants, pattern matching, static and on-demand dynamic typing, and type inference.
pkg_db.pl generates a pretty-printed HTML list and statistics of packages installed via NetBSD pkgsrc. It creates 3 HTML files: one index, containing a list of all installed packages with short descriptions, one with the detailed description of the package, and one with a list of installed files. It requires pkg_info.
Factor is a dynamically-typed stack-based programming language. Factor runs on various OSes and CPU architectures, and provides an optimizing compiler, interactive development environment, powerful collections, higher order programming, continuations, and a growing library of contributed code.