 Apache Derby
Apache Derby is an open source relational database - part of the Apache DB Project. Derby is written in java and is ideel for embeddable due to its small memory footprint. Derby supports SQL storing... Read more Aptana 2
Aptana is an html/javascript editor, however, it does not provide any WYSIWYG feature - but it is still an amazing editor with many advanced features. Aptana is intended for people developing dynamic... Read more ArgoUML 0.24
ArgoUML is a great UML (Unified Modeling Language) tool. Written in Java and using Java Web Start makes it easy to work with (install) and use on any platform. It has full support for the UML 1.4... Read more Code::Blocks 8.02
Code::Blocks is an C++ IDE which makes it easy for experienced as well as new developers to create applications. Application made with Code::Blocks and based on wxWidgets - are portable between Linux... Read more Cream 0.39
Cream is an open source text editor which used Vim as a base. However, Cream added an intuitive user interface with pull-down menus, toolbar, keyboard shortcuts and a tabbed based multi document... Read more Eclipse 3.3
Java based IDE which aims to be a universal development toolkit. Even though it has it's roots in Java eclipse's plug-in base allows it to edit files for almost any environment including but not... Read more Editra 0.4
Editra is an open source text editor that supports a variety of features, including syntax highlighting, for over sixty programming languages. Since it is built using wxWidgets, it can run on... Read more Geronimo 2.1
Geronimo is an open source J2EE application server as part of the Apache project. The goal is to have a Sun certified J2EE server open source implementation according to the latest specifications.... Read more Glom
Glom is an advanced database system and user interface designer with lots of high-level features. Its advantages include its simplicity and nearly no programming requirements. Loosely based on... Read more HeidiSQL
HeidiSQL is a brilliant, small and simple open source SQL tool for MySQL databases. It does exactly what you expect it to - and a few extra things. Downloading, installing and configuring is very... Read more HSQL Database Engine
HSQL Database Engine or just HSQLDB is an open source java database engine for embedding into your applications. As the name indicates HSQLDB supports SQL making it very flexible when it comes to... Read more JBoss Application Server
JBoss Application Server is the most widely deployed open source application server on the market. As a certified J2EE platform it supports all features of J2EE 1.4 including additional services such... Read more jEdit 4.2
jEdit is powerful open source editor that has taken the best features from all other editors and combined them into one. And as an open source java application is runs on virtually any platform.... Read more Kexi 2.2
Kexi strives to be a rapid application development (rad) tool for database driven development. Use Kexi to quick design forms to access and create your data - just as any full features application.... Read more Komodo Edit 5
Komodo Edit is an open source editor by ActiveState that is different from your run-of-the-mill editor in that it has many features that are usually absent in editors, but you might find in IDEs... Read more Lazarus 0.9
Lazarus is an open source development environment that strives to be Delphi compatible. Based on Free Pascal Lazarus has a great foundation that allows you to create applications that will run on all... Read more Mono
Mono is an open source implementation of the Microsoft .NET Framework. It most powerful feature is that Mono allow the execution of .NET application on almost any platform - including (but not... Read more MonoDevelop 2.0
MonoDevelop is an open source free Gnome integrated development environment (IDE) for C#. Eventhough MonoDevelop has a short history it has some of the same features you would find in any... Read more NetBeans IDE 6.8
NetBeans is an open source integrated development environment (IDE) for Java development. However, a C/C++ pack exists that lets you use NetBeans for your C/C++ projects. As a IDE for Java NetBeans... Read more Octave 3.3
Octave, a freely redistributable software, is used for numerical computation with an interactive environment. Students pick up the basics quickly, comfortably using it within just a few hours.... Read more OpenOffice Base 3.0
Maintain your databases or create new ones. Base either connects to your existing database engine - or your can use its built-in HSQL database. For beginners Base offers wizards to help create forms... Read more OpenSTA 1.4.3
OpenSTA is a distributed software testing architecture. The main feature of OpenSTA is web (HTTP and HTTPS) performance and load/stress testing. It allows you to record different usage patterns on... Read more Qt Creator 1.2.1
When you want to build applications with state of the art GUI interfaces you may want to look at Nokia's Qt Creator. It is focused on the idea of providing Qt users the features they need to get up... Read more Scilab 4.1.2
Scilab is a toolbox for all of your numerical computing needs. It is a great software package for people working in engineering or scientific areas. Linear algebra, matrices, polynomials - everything... Read more SciTE 1.73
SciTE is a developers editor. Originally made as an example for the Scintilla project - an open source source code editing component, SciTE today is a fully featured text editor for developers using... Read more Serna Free 4.2
Serna Free is an open source, powerful XML editor. It is geared toward those with no experience and uses WYSIWYG (What You See Is What You Get) for ease of use. Its appearance is a lot like a word... Read more SharpDevelop 3.0
#develop (short for SharpDevelop) is a free IDE for C# and Visual Basic.NET projects on Microsoft's .NET platform. Features code completion, forms designer, syntax highlighting, code bookmarks and... Read more SQLTools 1.4.1
SQLTools is an open source tool for Oracle database development. It is a small and light weighted tool which also aims at being fast and responsive. SQLTools' powerful editor has many features to... Read more SQuirreL SQL Client
Relational Database Systems can make life difficult, especially when working with multiple databases. Squirrel is an open-source SQL Client that will help you solve database problems with its... Read more StarUML 5.0
StarUML is a great open source UML application. Supporting UML 2.0 and MDA (Model Driven Architecture) StarUML let's you work with all related diagrams. Code generation can be done for Java, C++ and... Read more TOra 2.0
TOra is an open source database administration and sql tool for Oracle. With TOra you can perform virtually any administrative task on your Oracle database servers - anything from user and security... Read more Valgrind 3.5.0
Valgrind is an open source memory debugger with some extra features. Detecting leaks and other memory related programming errors as well as threading bugs. Valgrind also includes a great call-graph... Read more WinMerge 2.6
WinMerge is an excellent tool for developers that simplifies merging. Start by selecting two directories and WinMerge will quickly show you which files are alike - and which there are different and... Read more XML Copy Editor 1.2
XML Copy Editor is a versatile XML editor primarily focused on text editing with XML files. However, XML Copy Editor provides many other features including validation of DTD and XML schemas - as well... Read more | 
Altova XMLSpy 2009
Apache Derby 
