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HSQLDB is a relational database engine written in Java, with a JDBC driver, conforming to ANSI SQL:2023. A small, fast, multithreaded engine and server with memory and disk tables, LOBs, transaction isolation, multiversion concurrency and ACID.
Toolkit for working with and mapping geospatial data
GeoTools is an open source (LGPL) Java code library which provides standards compliant methods for the manipulation of geospatial data.
GeoTools is an Open Source Geospatial Foundation project.
The GeoTools library data structures are based on Open Geospatial Consortium (OGC) specifications.
"Information is data in action", and, consequently, having good quality data is essential. The AESTEL package contains two highly configurable applications for data management: A data loader and a reporting application, i.e. DataLoader and AEREA, respectively. The data loader application applies user-defined instructions to validate, process and load data. The reporting application provides a query builder and spreadsheet template designer. Both applications work with any relational data...
Velosurf is a database access layer for the Apache Velocity template engine. It provides an automatic database mapping of tables and relationships without any code generation, and provides authentication, localization and form validation tools.
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
JAFFA is a Rich Web 2.0 POJO based Event-Driven SOA framework
An Enterprise Focused Java Framework For Rapid Application Development.
JAFFA is a Java web application development stack, build around Web 2.0 technologies (ExtJS, DWR, JAWR) with an extensive service architecture, meta-data layer and rules engine (based on JBoss AOP and Drools). It provides an event driven SOA infrastructure with advanced scheduling and queue sub-systems
ProC 3.0 is a scientific workflow engine to build, manage and execute workflows (pipelines) in heterogeneous environments, supporting GRID and other means of parallel processing. It includes a data management component (DMC) to transparently access databases for storage of results and automatically adds metadata to track the processing of data products, so that at every time a full processing history is available. The software was developed and used within the ESA Planck satellite mission.
BlackRay is a high performance relational database, which combines regular database features with search engine like performance. Full transaction support, SQL and version controlled persisted snapshots characterize BlackRay.
Apatar is an open source Extract, Transform, and Load (ETL) project. Modular architecture delivers 1. Visual job designer/mapping 2. Connectivity to all major data sources 3. Flexible Deployment Options (GUI, or server engine with JVM, or embedded).
dynamic generated web2.0 screens to manage back-end data. supports access security, work-flow, rules engine, data conversion and CRUD (create, review, update, delete) against databases such as ORACLE, DB2, MS SQL SERVER, MYSQL and their JDBC Drivers.
jose is a graphical Chess tool.
>>> moved to https://peteschaefer.github.io/jose <<<
You can store chess games in a database.
You can view and edit games (including variations and comments).
You can play against a plugged-in chess engine and use it for analysis.
Features 3D board view.
Middlegen is a free general-purpose database-driven code generation engine based on JDBC, Velocity, Ant and XDoclet. If you already have a database, you can use Middlegen to generate EJB (CMP 2.0), Hibernate, JDO and JSP/Struts source code.
graphite: a portable graphics library, written in Java, JOGL and Postscript that allows rapid generation of high-quality graphs using an efficient, compact Java engine.
Algernon is a rule-based reasoning engine written in Java. It allows forward and backward chaining across Protege knowledge bases. In addition to traversing the KB, rules can call Java functions and LISP functions (from an embedded LISP interpreter)
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.
zTable is a mini-DBMS written in Java. It has 2 parts: a back-end DBMS engine and a front-end Eclipse editor plugin. The engine can be embeded in any Java application. The Eclipse editor can be useful as a free DBMS for end-users.
XQuench is an XML Query parser and engine. The aim is to provide programmers with an API that implements the specifications at http://www.w3.org/XML/Query At first, XQuench will be Java-only. Future versions will include C++, while keeping a similar API.
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.