Open Source C Front-Ends

Technical analysis library with indicators like ADX, MACD, RSI, Stochastic, TRIX... includes also candlestick pattern recognition. Useful for trading application developpers using either Excel, .NET, Mono, Java, Perl or C/C++.

libdbi implements a database-independent abstraction layer in C, similar to the DBI/DBD layer in Perl. Writing one generic set of code, programmers can leverage the power of multiple DBs and multiple simultaneous DB connections by using this framework.

This library allows to read and write Paradox database and primary index files.

A Python DB-API 2.0 compliant interface to a PostgreSQL (v7.0 and later) database

Implementation of the popular ODBC standard for non-Windows platforms such as Linux and Mac OS X. Includes; DriverManager and several command-line tools

The libdbi-drivers project maintains drivers for the libdbi database abstraction layer written in C. Drivers are distributed seperately from the library itself.

"Aubit 4GL" is a project to make GPL, OpenSource, Informix-4GL compatible compiler, and continue to extend functionality needed to write most efficient and productive business related, database oriented applications. See "Home Page" link for more.

Sqsh (pronounced skwish) is short for SQshelL (pronounced s-q-shell), a replacement for the venerable 'isql' program supplied by Sybase.

A simple editor for dbf files. The editor is built with GTK+, making it available on a number of platforms, including Linux and Windows.

emerge is an alternate windows shell. It's purpose is to replace Windows Explorer as your desktop user interface, providing similar functionality, with the additional plugins to provide even more.

LiteSQL is a codegenerator and C++ library that integrates C++ objects tightly to relational database and thus provides an object persistence layer. LiteSQL supports SQLite3, PostgreSQL, MySQL and oracle as backends.

An Integrated Development Environment (IDE) for the ESI Objects language (object-oriented MUMPS) that works on linux and, eventually, other UNIX-like Operating Systems.

A multiplatform C++ library for dynamic generation of Excel .xls files containing multiple worksheets. Unlike .csv files, these can be directly opened by Excel and thus provide an excellent way to output large data sets that require further analysis. To see the latest changes, select "Files" and view the README text displayed at the bottom of that pane. IMPORTANT: Major changes are contained in the current SVN source. If you have time please try to use it or the xlslib-package-2.4.0b1.zip archive, and enter bug reports on any problems! Changes: - library specific strings now in their own namespace - iOS Objective-C library - most project files updated (MSVS etc) - C bridge now supports formulas Note: there is a related SF project, libxls, to read Excel files.

KInterbasDB is a Python DB API 2.0 module for the relational databases Firebird and Interbase. KInterbasDB also exposes most of the native client API of the database engine, including two-phase commit, server-side events, and an administrative API.

Clipper/XBase compatible compiler with initial support other xBase dialects. Multitasking, OOP,SIX/Comix, SQL and ODBC drivers,a C-API for third-party developers, a few wrappers for popular libraries (such as BZIP, GZIP, GD, Crypto, and Fcgi), ....

Cinemagoer is a Python package useful to retrieve and manage the data of the IMDb movie database about movies, people, characters and companies. Platform-independent, it can retrieve data from both the IMDb's web server and a local copy of the whole db.

The stuff here has no documentation and some of it may never be completed. This is my playground, use at your own risk.

RefDB is a reference database and bibliography tool for SGML, XML, and LaTeX documents, sort of a Reference Manager or BibTeX for markup languages. It is portable and known to run on Linux, Free/NetBSD, OSX, Solaris, and Windows/Cygwin.

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.

gqlplus is a front-end for Oracle program sqlplus with command-line editing, history, table-name and column-name completion. Otherwise the user interface is identical to that of sqlplus. Command-line editing works as in bash/tcsh shells.

FLAG was designed to simplify the process of log file analysis and forensic investigations. FLAG facilitates efficient analysis of large quantities of data within an interactive environment. PyFlag is the reimplementation of FLAG in Python.

dbf is an easy-to-use command line tool to show and convert the content of dBASE III, IV, and 5.0 files. It reads dBASE databases and prints the content to the screen or converts it to comma-separated (*.csv) files which can be opened in Excel, Calc.

Basic PostgreSQL client applications for Windows. It includes native win32 SQL terminal and backup tools, psql and pg_dump with gzip, for execution of SQL scripts and access to PostgreSQL servers remotely by administrators and end users.

xBaseScript (PP.exe) is an open source enhanced Clipper compatible Pre-Processor, DOT Prompt Environment, and Clipper/xBase Script Engine.

SQLite Database browser is a light GUI editor for SQLite databases, built on top of Qt. The main goal of the project is to allow non-technical users to create, modify and edit SQLite databases using a set of wizards and a spreadsheet-like interface.