Build gen AI apps with an all-in-one modern database: MongoDB Atlas
MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
Start Free
Our Free Plans just got better! | Auth0
With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.
You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
A disk based production quality RTree based upon Guttmans quadratic split algorithm having following features:
Buffering with dirty write,
Index joins,
Tree Seeding,
Window and NN queries,
Runtime STR Packing capability,
Completely Thread safe.
db4o is the world's leading open source object database for Java and .NET. Leverage fast native object persistence, ACID transactions, query-by-example, S.O.D.A object query API, automatic class schema evolution, small size (http://developer.db4o.com)
JalistoPlus is lightweight, transactional, 100% pure Java database. It is object oriented and is able to directly persist and query for Java object graphs. It has modular design and may be used either in single or multi-threaded mode.
SQL2JAVA is a SIMPLE, PRAGMATIC and POWERFUL code GENERATOR.
It maps any relational schema to a java API dedicated to
access your database schema.
It supports Oracle, SQLServer, PostgreSQL, MySQL, Sybase, HSQL, etc...
2 minutes to install/try...
Full access to Enterprise features. No credit card required.
What if You Could Automate 90% of Your Repetitive Tasks in Under 30 Days? At ServoDesk, we help businesses like yours automate operations with AI, allowing you to cut service times in half and increase productivity by 25% - without hiring more staff.
Database Migration Tool (DAMI)is a migration tool used for transporting data between databases. It transfers data from an existing database with a old structure to a new database with new structure.
The JPalo Client, API, and WebClient are tools to visualize and model data of a Palo or XMLA database. Their main purpose is Business Intelligence Reporting and Planning. With the API, programmers can easily model their specific needs.
BaseMovil is a framework for fast development of J2ME applications: a powerful J2ME database engine, a scripting engine and an ui toolkit which is fully integrated with both and allows xml view definition. The framework handles device differences/bugs.
Finevayler is Java library aimed to overcome some evident inconveniences of the famous Prevayler such as:
separate class for each kind of transaction; transactions cannot reference business object directly; and probably some others.
Yaffa is an always evolving idea - now new approach for a data repository mixed with some features of object oriented databases with ease of use, no administration in mind and of course it will fit into the actual environment whatever that is.
Enterprises and companies seeking a solution to manage all their procurement operations and processes
eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
S3 Mockup is an Amazon S3 emulator we develop for one of our projects. It can be easy embedded and used in your test framework or running as an independent service. Using this emulator you can easy setup development and QA environment.
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.
SimpleSQL is a 64-bit relational database, works as a standalone server-free db. component and transactional db. server, with standard SQL and JDBC, has portable single db. file, first db. available in Java and C++.
Cayenne is an object-relational mapping framework written in Java. This Cayenne project at SourceForge is dedicated to hosting a legacy 1.2 release. For up to date releases please visit the new home at Apache. http://cayenne.apache.org
The Genomic Diversity and Phenotype Connection (GDPC) written in JAVA uses web services to make XML formatted data publicly available. The GDPC Browser (front-end GUI) can access these services, and other applications can use the API.
Full featured AJAX web based reporting system. Written in Java / JSP. Web based reports are dynamically generated from JDBC result sets. Connects to any JDBC compliant database, most drivers already included. The Apache Derby database is embeded.
A small database stress tool written in Java. Emulates a given number of concurrent users querying the engine. Reports timing information for each test. Currently supports MySQL engine only.
Salto Persistence is a object/relational persistence framework for a J2EE environment. It comes with Salto-db generator which uses a templates mechanism to generate Salto-db Dataobjects from any existing JDBC-supported Database.
OpenRolap: an implementation of OLAP in a relational database. Conceptually simple, the current version is in MySQL, with a Java API. The API aims to avoid complex MDX-type language, instead to use a simple "filter path" structure.
tinySQL is a SQL engine written in Java. It uses dBase format files compatible with MS Excel. tinySQL comes with a command line interpreter which you can use to create, drop, or update tables. A GUI for tinySQL can be found at www.sqlmagic.com
A framework for building, deploying and managing well-described REST-ful Web services, including REST-ful Web Services realizations for RSS, XML Topic Maps, Structured Arguments, and Workflow.
Relevant is an Object-Relational data-mapper. The main goal is performance. We're going to write a code-generator to generate the native java-classes to prevent reflection. Database-independency is a MUST.
Java Object and Relation Persistence framework. No mapping configuration needed! Automatic mapping of object relations, inheritance, arrays ++. Also includes a DB-version migration framework. Powerful, yet easy to use.
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.