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[4723 users on Ohloh]
Subversion has rapidly become the version control standard and it is rapidly replacing open source and commercial solutions around the world.
Subversion enables globally distributed software development teams to efficiently version and share source code. The open source Subversion project was started in early 2000 by CollabNet, the primary corporate sponsor of Subversion.

Key Capabilities:
- Versioned directories
- Atomic commits
- Ef...

[3254 users on Ohloh]
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
GCC, the GNU Compiler Collection
[2157 users on Ohloh]
The GNU Compiler Collection includes front ends for C, C++, Objective-C, Fortran, Java, and Ada, as well as libraries for these languages (libstdc++, libgcj,...).
[1959 users on Ohloh]
Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set. It's useful whether you're already using vi or using a different editor.
[1814 users on Ohloh]
TortoiseSVN is a very easy to use SCM / source control software for Microsoft Windows. It is implemented as a Windows shell extension, which makes it integrate seamlessly into the Windows explorer. Since it's not an integration for a specific IDE you can use it with whatever development tools you like.
Python programming language
[1662 users on Ohloh]
Python is a dynamic, object-oriented programming language that can be used for many kinds of software development. It offers strong support for integration with other languages and tools, comes with extensive standard libraries, and can be learned in a few days. Many Python programmers report substantial productivity gains and feel the language encourages the development of better code.
Eclipse Platform Project
[1437 users on Ohloh]
The Eclipse platform is a generic foundation for an IDE. That is, the platform is an IDE without any particular programming language in mind. You can create generic projects, edit files in a generic text editor, and share the projects and files with a Concurrent Versions System (CVS) server. The platform is essentially a glorified version of a file-system browser.
[1069 users on Ohloh]
Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.
[872 users on Ohloh]
jQuery is a fast, concise, JavaScript library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your Web pages.

It is not a huge, bloated framework promising the best in AJAX, nor is it just a set of needlessly complex enhancements. jQuery is designed to change the way that you write JavaScript.

"You start with 10 lines of jQuery that would have been 20 lines of tedious DOM JavaScript. By the time you are done it's do...

[836 users on Ohloh]
Subclipse is an Eclipse Team Provider plug-in that provides support for Subversion to the Eclipse IDE. Subclipse includes support for all Subversion commands and features and is a mature project with an established user community.
Apache Ant
[751 users on Ohloh]
Apache Ant is a Java-based build tool. In theory, it is kind of like Make, but without Make's wrinkles.
[730 users on Ohloh]
Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more. Its major features include support for multiple programming paradigms (procedural, object-oriented, and functional styles), automatic memory management, built-in support for text processing, and a large collection of third-party modules.
[727 users on Ohloh]
JUnit is a Java testing framework. Since testing is not closely integrated with development, it prevents you from measuring the progress of development. You can't tell when something starts working or when something stops working. Using JUnit you can cheaply and incrementally build a test suite that will help you measure your progress, spot unintended side effects, and focus your development efforts.
[707 users on Ohloh]
GDB, the GNU Project debugger, allows you to see what is going on `inside' another program while it executes -- or what another program was doing at the moment it crashed.

GDB can do four main kinds of things (plus other things in support of these) to help you catch bugs in the act:

* Start your program, specifying anything that might affect its behavior.
* Make your program stop on specified conditions.
* Examine what has happened, when your program ha...

[665 users on Ohloh]
Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks (as in Perl). It is simple, straight-forward, extensible, and portable.
GNU Emacs
[572 users on Ohloh]
Emacs is the extensible, customizable, self-documenting real-time display editor.
Spring Framework
[535 users on Ohloh]
Spring is a lightweight Java/J2EE application framework based on code published in "Expert One-on-One J2EE Design and Development" by Rod Johnson. It includes powerful JavaBeans-based configuration management applying Inversion-of-Control principles, a generic abstraction layer for transaction management allowing for pluggable transaction managers, a JDBC abstraction layer, integration with Hibernate, JDO, Apache OJB, and iBATIS SQL Maps, AOP functionality, and a flexible MVC Web application fra...
[524 users on Ohloh]
Notepad++ is a generic source editor (it tries to be anyway) and Notepad replacement written in C++ with the win32 API. The aim of Notepad++ is to offer a slim and efficient binary with a totally customizable GUI.
CVS: Concurrent Versions System
[514 users on Ohloh]
CVS is a version control system, an important component of Source Configuration Management (SCM).
GNU binutils
[418 users on Ohloh]
The GNU linker and related programs and libraries: ar, as, gprof, ld, nm, ranlib, strip, libbfd. You depend on this utterly.