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Databases

• 941
• G-Exec2
• A planned reimplementation of one of the first relational systems, the British G-Exec from the 1970s, based on the open world assumption

• 942
• Rel tutorial
• An in-progress copylefted flavour of Tutorial D implemented in Java.

• 943
• SIRA_PRISE
• An effort started by Erwin Smout to build a usable TRDBMS.

• 944
• Tcl Relational Algebra Library
• A C-based extension of the TCL language implementing relational algebra.