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Centrallix is a browser-based DDSL (declarative domain specific language) rich internet application platform featuring data and application abstraction, a SQL engine for joining diverse data sources, declarative (not scripted) development, reports, components, and style templates.
Embedded NoSQL object-oriented database engine for .NET and Mono
OstrivDB is an embedded NoSQL object-oriented database engine for Microsoft .NET and Mono. OstrivDB was named after the Oster river (the little river in little town where author lives).
Features:
- Caching for Select queries.
- Indexing.
- Batch of queries.
- Views.
- InMemory objects and views.
- No special query language (LINQ used).
- Integrated sorting and paging.
- Multithreaded data processing.
- Custom input/output and serialization.
Requirements:
- Microsoft .NET...
OLAP aggregation engine with MDX support, web interface (slice & dice) and relational database backend. See "Documentation" for more. Presentation: http://cubulus.sourceforge.net/. See online demo courtesy of Webfaction, http://alxtoth.webfactional.com
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An experimental CEP (Complex Event Processing) engine. It implements the event stream processing as a library embeddable in C++ and Perl. Since then it has been renamed to Triceps, so please look at the new location https://sourceforge.net/projects/t
Lux IO is yet another fast database manager. It's originally designed for search engine internal storage engine, but it's pretty useful for normal use.
This project enables you to create a Database using only one PHP-file. So if you don't have the option to use a database-engine like MySQL, or you don't want to use one, this is a good way to get around it
JApprDB is a database engine able to store knowledge by means of semantic networks, representing semantic relations between the concepts. Databases are supposed to be queried by Lojban - a syntactically unambiguous language based on predicate logic.
Q3mass is a master server program for Quake III Arena engine-based games. It's easily extensible and supports multiple games. Q3mass-php, an offshoot project, is a PHP version of the application, allowing for web-based master servers.
JKBS it's a production system: a knowledge based system written in java. You can store if-then rules (called production) and fact in its production memory and let the inference engine to produce some result.
MushroomDB is a pure Java multiplatform Relational Database Management System.
There are two main goals: to make a fully SQL-92 compliant engine and to provide extensibility mechanisms. A JDBC Driver and a GUI client is supplied with the engine.
Project MOVED to Codehaus New location is http://esper.codehaus.org The Esper project aims to provide a general-purpose event processing facility in Java for complex event processing of real-time, high throughput data streams.
A Database Engine and Content Management System Server for the development of database systems; properly abstracting data and presentation, and providing extensibility through object classes, and onsite administration of content and dynamics.
myDbSearcher is a search engine for MySQL Databases. It is written in Java. It scans several tables on different databases. A XMLRPC-Server will give you access to the Index.
Currently it runs on http://www.idowa.de/ueberblick/suche/index_html
XQEngine is a Java component for searching collections of XML documents that uses an XQuery front end. The engine has a straightforward API that allows it to be easily embedded in end user applications. Requires some basic Java programming skills.
TM4J is a topic map engine implemented entirely in Java. Topic maps are a standard paradigm for the interchange of knowledge structures. This project aims to produce a complete suite of tools for creating, processing and publishing topic map information.
PAiN Mud codebase is a new MUD codebase written in Java. It provides general purpose persistence engine (PAiN DB) and ability of dynamic code reloading.
DataBaseOne is a proyect for the generation of a small and "not that robust" Database Engine in C++ oriented to small and medium applications like games, and small and medium companies. The final product should be a static library OS Independent.
Sprawler is the first Open Source internet search engine software and service - built by the community, for the community. It will address the various reasons most search engines today still are far from being where they need to be.
LeverPack is a small, transaction based, secure, concurrent, and efficient record repository management engine written in Java. It provides READ_COMMITTED transaction isolation level supported read/write access to user data records.