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Casper Datasets is a robust in-memory data manipulation framework, which allows programmatic search / sort / indexing on relational data rows. Casper Datasets virtually eliminates the need for relational databases for basic data manipulation and provides
locale4j is a Java library for working with localization data. The library currently supports the TMX file format. Future versions will support XLIFF, po and resource bundles. Translations can also be stored in memory or in a database for use at runtime.
Very small database, forked from TinySQL (but later rewritten from scratch) for the study of good software writing and Database theory knowledge. Currently works with flat (TXT) files. Will use DBF, XLS, CSV, memory tables and SQLite formats.
Library of custom implementations of Java collection interfaces, which allow to work with huge data sets that hardly can feet in available memory. Implementations use the Perst (http://www.mcobject.com/perst/) embedded object database for operation.
Esession supplies an abstract layer for user session management with logging support. It could work both in stand-alone mode, and bound to http sessions. The solution for the log storage could either be in memory or in database.And there's a GUI monitor
Mayfly is an in-memory SQL implementation for unit testing. It is fast on small data sets and you can create or destroy a database as easily any other Java object.
Jdptool is a debug and profiler tool which based on JPDA; It provide both swing based and browser based GUI. It has sophisticated debugger without user interfere. It also provide profiler to memory usage and threads with numerous new feature
JMonitoring and NMonitoring are monitoring frameworks for Java and .Net applications, based on AOP (AspectJ and AspectDNG). Data are stored in database, memory or XML and can be consulted with a web console. http://forge.octo.com/confluence/display/JMO
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.
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FADE - The Animated Desktop is a desktop replacement program written in Action Script 3 (using Flex2 SDK) and Java (eclipse). Main features include action bars, hdd memory meters, animated icons, and such.
Copies the schema from one DB to another - present primary use is to set up an in-memory DB that replicates the structure of a particular tablespace of a network-accessible (e.g. Oracle) database so that unit tests run much faster. In use since 2003.
OODB purpose is to read a database and convert it's structure into java classes and optionally other text formats. Java classes are able to perform select, insert and update operations, utilize memory caching of rows etc. Database schema (table1, table2
Modular Eclipse RCP application to store personal Information like Contacts, Passwords, Notes, ... Initially What? is not intended to share information over a network, but to keep all information in an in-memory-database.
Toplink in memory makes TDD possible in large database applications. Make your Java project tests run faster. Toplink in memory allows you to run your tests in memory, rather than against a database. In our current project, this gives a 100x speed up.
WURFL Java API using Jaxb 1.0.4. This new wurfl access api has more features than the other one. Uses less memory to store the data using the hierarchy levels for the different devices and faster searches, allowing the user also filter the xml.
PortableRuleBox is an extremely lightweight in-memorydatabase cache package. It lets an application replicate the semi-static rule data in process from remote rule database, so that rules can be delivered to the applications and executed locally in the
Mnemosyne is an in-memory object database for Java. It uses AOP to achieve transparent persistence, and object level versioning and locking to provide ACID transaction support. Data is persisted through transaction logging and periodic system snapshots
JVMCluster
Features:
- clusterable Java Virtual Machine (based on PVM)
- uses CPPVM as adapter layer to PVM
- object persistent layer integrated into JVM
- memory management unit is based on integrated relational database
- JDBC/ODBC api to acces
A simple object persistence mechanism for Java that can be added to an application in minutes. All data is kept in memory and stored as property files in a Maildir, allowing external viewing and modification of data.
DataSet library is Java based library which is table form datacontainer in memory. It has fixed number of columns and varying numbers of rows. It read and write data from datasource through pluggable engines. Connection to SQL/JDBC databases is supported
The most powerful non-commercial translation memory software (TM tool) with enhanced capabilities, like networking/collaboration (http, rpc), encoding conversion, project management capabilities, email capability with attachments, file tree diff etc.
XML database engine for mobile devices (iPaq, Palm, etc.). The core of the system is Java based, this way it makes it portable and able to run on different systems. It's very lightweight and runs on devices with little memory and storage place.
PerPojo combines Pojos (Plain old java objects) and persistence without the need of a database or something like this. It caches all objects in memory and save them to a file using serialization.