Panelizer is a memory efficient desktop panel that works by holding all applets within the panel process itself; memory usage is currently around 1MB with 10 applets loaded.
GRASS (the Geographic Resources Analysis Support System) is a GIS (Geographic Information System), image processing system, graphics production system, and spatial modeling system - all rolled into one.
Asymptote is a vector graphics language for technical drawing; it provides for figures the same high-quality level of typesetting that LaTeX does for scientific text.
Sequoia provides transparent database clustering (partitioning, replication, etc.) to any Java application through JDBC; successfully tested with MySQL, PostgreSQL, etc.
The Flat Assembler is a self-assembling assembler for DOS, Windows, and Linux operating systems; includes macroinstruction support, and does multiple passes to optimize the instruction codes for size.
Emdros is a corpus query system for storing and searching linguistically annotated text; all linguistic levels of analysis are supported, including phonology, morphology, etc.
WIKINDX is a single and/or multi-user research environment for storing searchable bibliographies, notes, and citations; integrated with a WYSIWYG word processor.