Object Oriented Tool

NConstruct Lite
Free - Biro M&T

NConstruct Lite is a powerful wizard-like tool for creating application's data layer source code for NHibernate object/relational persistence and query framework. NConstruct Lite examines database's metadata and creates NHibernate HBM files, entities' source code, Microsoft Visual Studio project file, and some optional helper files.

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db4o
Free - db4objects, Inc.

db4o (database for objects) is the open source object database, native to Java and .NET. Free software, available under the GPL and under a commercial license. Persist any object with one line of code. Other features are object-oriented replication, native queries, automatic schema recognition, 400K footprint. Ideal for embedded use, e.g., in software running on mobile or medical devices, in packaged software, and for real-time systems.

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db4o for Java
Free - db4objects, Inc.

db4o (database for objects) is the open source object database, native to Java. Free software, available under the GPL and under a commercial license. Persist any object with one line of code. Other features are object-oriented replication, Native Queries, automatic schema recognition, 400K footprint. Ideal for embedded use, e.g., in software running on mobile or medical devices, in packaged software, and for real-time systems.

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db4o for .NET
Free - db4objects, Inc.

db4o (database for objects) is the open source object database, native to .NET. Free software, available under the GPL and under a commercial license. Persist any object with one line of code. Other features are object-oriented replication, Native Queries, automatic schema recognition, 400K footprint. Ideal for embedded use, e.g., in software running on mobile or medical devices, in packaged software, and for real-time systems.

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EMS SQL Manager for MySQL Freeware
Free - EMS Database Management Solutions, Inc

EMS SQL Manager Lite for MySQL is an excellent freeware graphical tool for MySQL Server administration. MySQL Manager works with any MySQL versions from 3.23 to 5.2 and supports all of the latest MySQL features including views, stored procedures and functions, InnoDB foreign keys and so on. It has minimal required set of instruments for those users who are new to MySQL server and need only its basic functionality.

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ExInsight for Microsoft Exchange
Free - Bitrunes Software

ExInsight is a monitoring and statistics tool that provides a real-time view of the internals of Exchange Server transactions and allows you to evaluate individual user's usage of Exchange Server. By using this tool, you can gather real-time data about the users in an Exchange environment and learn more about the inner workings of MAPI, OWA, POP3, IMAP4, NNTP and other protocols.

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