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"Shane's Chess Information Database" is a huge chess toolkit with extensive database, analysis and chess-playing features.
Scid vs. PC is a usability and bug-fix fork of Scid. It has many interface fixes and improvements, and is fully compatible with Scid's .si4 databases. New features include a rewritten Gamelist, Computer Tournament, and FICS, Tree, Book and Graph improvements.
A relational database management system, based on the principles laid down in the book "Databases, Types, and The Relational Model: The Third Manifesto" by C. J. Date and Hugh Darwen.
A Tcl interface to PostgreSQL databases, using PostgreSQL libpq
pgtclng (PostgreSQL Tcl Next-Generation) is a loadable Tcl module for accessing PostgreSQL databases. It was forked from pgtcl in Feb 2004, moved to pgfoundy.org in Aug 2006 and to Sourceforge.net in Mar 2011. Its API is a superset of the pure-Tcl companion project pgintcl.
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The Open Design and Integration Environment is a toolbox of C and TCL code designed to introduce people to programming in a friendly way. It is also designed to be robust enough to novices to develop useful applications.
TkTable is a full-featured 2D table widget for Tk. It supports images, embedded windows, varying colors and fonts, and more. Also here is Vu, a Tk widget extension that includes a pie, dial, spinbox and more, and Tile, a themed widget set for Tk.
ChessDB is a free open-source chess database for Windows, Linux, Mac OSX and most UNIX and UNIX-like operating systems. ChessDB is based on code from Scid http://scid.sourceforge.net/ - a project for which there have been no updates for several years. In
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Anastasia is a SGML/XML publication tool which allows the processing and searching of large documents using tcl scripting. See https://github.com/peterrobinson/Anastasia2 for updated code, etc, for running in Apache 2 environments.
KML is a knowledge base with support of logical modeling. Advanced model is used to represent knowledge as a set of statements similar to natural language sentences. This project hosts a set of model storage library and server (vrb-ols) and clients.
Moodss is a modular monitoring application, composed of a GUI and a daemon, which supports any device or process for which a module can be developed. Complete dashboards with graphical viewers, thresholds, SQL database archiving, ... can be managed.
The Malete database core is the new basis of OpenIsis,
which has its roots in the UNESCO CDS/ISIS database.
Traditionaly used in libraries; now a general purpose highspeed database.
Framework for software component integration, interoperability and adoptability through a XML based vocabulary: Software Component Integration Mark-up Language (SCIML)
CAVOR is an engine for building apps that involve both graphic and text/numeric data. Primarily GIS is the initial focus, but consider also CAD, CASE, project management (eg PERT charts), and others. Built-in scripting, C API, also supports Tcl and Java.