A Tcl interface to PostgreSQL databases, written in Tcl
pgintcl is a Tcl interface to the PostgreSQL database system, written entirely in Tcl. It is mostly compatible with other pgtcl implementations, especially pgtclng. It lacks asynchronous operations, and is somewhat slower, but it does not require any other libraries. (This project was on pgfoundry.org and its predecessor from Feb 2003 through Mar 2011.)
e4Graph is a C++ library and a Tcl binding providing persistent, reliable, cross-platform storage for graph like structures. Please visit http://e4graph.sourceforge.net for more info.
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