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Deductive Database with Datalog, SQL, RA, TRC, DRC
The Datalog Educational System (DES) is a deductive database with Datalog, SQL, Relational Algebra, Tuple Relational Calculus and Domain Relational Calculus as query languages developed mainly for education. It can be used from most common Prolog interpreters over any supported OS and from portable executables (Windows, Linux and MacOS).
The GetData library provides an API to interface with Dirfile databases. The Dirfile database format is designed to provide a fast, simple, scalable format for storing and reading binary, synchronously-sampled, time-ordered data.
DirectoryStorage - a ZODB Storage that stores objects in many files, one file per revision of each object. Designed to be robust, manageable, fault tolerant, and scalable.
An append only database manager in the style of dbm. It has both a C and a Python interface and is ACID compliant. Internally it uses an immutable B+ Tree. (Being append only doesn't mean that you can't replace records or delete keys).
FlatDB.Net is a .Net port, of the Python module FlatDB, written in Boo. It is a flat-file database library that supports insert, update, delete and simple searching.
Porcupine is an open-source Python based web application server that provides front-end and back-end revolutionary technologies for building modern data-centric Web 2.0 applications.
PyODB is an ODBC Python module to provide an quick an easy way to work with databases.
It provides a small set of simplified bindings to the unixODBC API and has been developed
using SWIG.
This is an experiment in creating the best database API I can come up with. It is an alternative to query languages. The latest version is being written in Scala using Berkeley DB Java and will run on the Java VM.
New customers can spin up VMs, build with AI, and query data at no cost.
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BusyBee could be used to monitor and observe your INFORMIX database server.
It is an easy but flexible monitoring solution which could be used standalone or easily be integrated into system management tools like BigBrother, IBM Tivoli or HP OpenView.
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.
Healthcare Xchange Protocol for interoperative communications. Data exchange/transfer, platform independent,XML-RPC, HL7, SOAP, EDIFACT, simple,easy, authenticated, secure, transparent, no geo-restrictions, open sourced, peer reviewed, collab development
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.
LAMP eGovernment Database Project offers state and local governments a free open source, web-enabled system for use in developing public information sites. You can also use this system for government-to-government systems as well.
idyuts is \"I Dare You to Use This Shell\"; a pre-hibernate approach to replacing an ORM written with jython functors into a pure-Java language command pattern. The \"pipeline codegen artifacts\" are simple IoC templates, and trivial to adapt
Metakit is an efficient database library with a small footprint. It's a cross between flat-file, RDBMS, and OODBMS.
Keywords: structured storage, transacted, load on-demand, portable, C++, Python, Tcl, instant schema versioning.
Omseek has been renamed to Xapian. Xapian is a Search Engine Library, written in C++ with bindings for Perl, Python, PHP, Java, Tcl, C# and Ruby. It allows you to easily add advanced indexing and search facilities to your applications.