Template Manager, also known as "Tm", is a preprocessor that takes a code template and some data structure definitions, and generates source code for an arbitrary programming language. Thus, Tm lets you have templates in any programming language. The kernel distribution package of Tm contains extensive C templates and a support library that have been tested and used extensively over the past decade. There are also Pascal and Miranda templates.
NVM Virtual Machine is a small, fast, extensible and portable virtual machine. It can be used, for example, as a scripting engine in microcontrollers. It can be configured to work in a few modes (with a machine word equal to 16, 32, or 64 bits) depending on user needs. Programming is done using an ASM-like language or a (simple) higher level language which is implemented using ocamllex and ocamlyacc.
flipflip's podcast downloader is a script that downloads podcasts. Is has options to limit the number of podcasts to download, to rename the downloaded files based on rules, and to tag the MP3 files with custom content or with content derived from the feed metadata. The program is very small and has very few dependencies (id3v2 and wget).
LinCE is a programming environment that is simple, pluggable, multiplatform, and multilanguage. LinCE allows you to create and load Ant projects, compile them, and browse errors line by line. It also allows you to execute PMD on Java projects. PMD is a tool that statically checks Java code, looking for potential problems. LinCE generates configuration GUIs from configuration Java objects. It has Apache Ant scripts for plugin development. LinCE provides technical documentation in Spanish.