1. Gaim https://sourceforge.net/projects/gaim Gaim is a GTK2-based instant messenger application. It supports multiple protocols via modules, including AIM, ICQ, Yahoo!, MSN, Jabber, IRC, Napster, Gadu-Gadu and Zephyr. It has many common features found in other clients, as well as many unique features.
2. eGroupWare: Enterprise Collaboration https://sourceforge.net/projects/egroupware eGroupWare is a multi-user, web-based groupware suite developed on a custom set of PHP-based APIs.Currently available modules include: email, addressbook, calendar, infolog (notes, to-do’s, phone calls), content management, forum, bookmarks, wiki
3. FCKeditor https://sourceforge.net/projects/fckeditor This HTML editor (DHTML editor), for ASP, ASP.NET, ColdFusion, PHP and JavaScript brings to the web many of the powerful functionalities of known desktop editors like Word. It works with Mozilla, Netscape and IE.
4. MinGW – Minimalist GNU for Windows https://sourceforge.net/projects/mingw MinGW: import libraries and header files for use with GCC to build native Windows applications; now with added extentions to the MSVC runtime to support C99 functionality.
5. Azureus – BitTorrent Client https://sourceforge.net/projects/azureus Azureus is a powerful, full-featured, cross-platform java BitTorrent client.
6. Exponent Content Management System https://sourceforge.net/projects/exponent Exponent is a fully-featured, modern CMS written in PHP, that enables non-technical people to manage and update their websites with minimal effort.Exponent is also an attractive development platform for traditional and non-traditional web applications.
7. 7-Zip https://sourceforge.net/projects/sevenzip 7-Zip is a file archiver with the highest compression ratio. The program supports 7z, ZIP, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format.
8. phpMyAdmin https://sourceforge.net/projects/phpmyadmin phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web. Currently it can create and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields.
9. openCRX – Limitless Relationship Mgmt https://sourceforge.net/projects/opencrx openCRX is a professional customer relationship management (CRM) solution deployable to all major platforms built with state-of-the-art technology. openCRX is a real enterprise-class CRM-solution, multi-entity capable, fully scalable. Demo available.
10. WebCalendar https://sourceforge.net/projects/webcalendar WebCalendar is a PHP application used to maintain a calendar for a single user or an intranet group of users.It can also be configured as an event calendar.
11. hipergate CRM https://sourceforge.net/projects/hipergate Best of breed CRM suite including: sales automation, customer service, intranet,email marketing, content management, bug tracker, project manager, groupware, webmail, calendar, forums, file sharing and directory.
12. Compiere ERP + CRM Business Solution https://sourceforge.net/projects/compiere Smart ERP+CRM solution for Small-Medium Enterprises in the global market covering all areas from order and customer/supplier management, supply chain to accounting. For $5-500M revenue companies looking for “brick and click” first tier functionality.
13. ScummVM https://sourceforge.net/projects/scummvm ScummVM is a cross-platform interpreter for several point-and-click adventure engines. This includes all SCUMM-based adventures by LucasArts, Simon the Sorcerer by AdventureSoft, and Beneath a Steel Sky and Broken Sword 2 by Revolution
14. guliverkli https://sourceforge.net/projects/guliverkli Home of VobSub, Media Player Classic (MPC) and other misc utils.
15. PDFCreator https://sourceforge.net/projects/pdfcreator PDFCreator easily creates PDFs from any Windows program. Use it like a printer in Word, StarCalc or any other Windows application.
16. MegaMek https://sourceforge.net/projects/megamek MegaMek is a networked Java clone of BattleTech, a turn-based sci-fi boardgame for 2+ players.Fight using giant robots, tanks, and/or infantry on a hex-based map.
17. Dev-C++ https://sourceforge.net/projects/dev-cpp Dev-C++ is an full-featured Integrated Development Environment (IDE) for Win32. It uses GCC, Mingw or Cygwin as compiler and libraries set.
18. AMSN https://sourceforge.net/projects/amsn AMSN (Alvaro’s Messenger) is a multiplatform MSN messenger clone.
19. Battletech-Online.org Battletech MUX https://sourceforge.net/projects/btonline-btech Battletech MUX’s are a text based (w/optional 2D graphical interface) realtime implementation of the FASA boardgame Battletech. This project is a merge of the main opensource tree with the original closed distribution “Exile” tree btech-online.org uses.
20. FileZilla https://sourceforge.net/projects/filezilla FileZilla is a fast FTP and SFTP client for Windows with a lot of features.FileZilla Server is a reliable FTP server.
21. FreeMind https://sourceforge.net/projects/freemind A mind mapper, and at the same time an easy-to-operate hierarchical editor with strong emphasis on folding. These two are not really two different things, just two different descriptions of a single application. Often used for knowledge and content mgmt.
22. HSQL Database Engine https://sourceforge.net/projects/hsqldb HSQLDB is a relational database engine written in Java, with a JDBC driver, supporting a subset of ANSI-92 SQL.It offers a small (about 100k), fast database engine which offers both in memory and disk based tables.This product includes Hypersonic SQL
23. Bochs x86 PC emulator https://sourceforge.net/projects/bochs Bochs is a portable x86 PC emulation software package that emulates enough of the x86 CPU, related AT hardware, and BIOS to run Windows, Linux, *BSD, Minix, and other OS’s, all on your workstation.
24. MediaPortal https://sourceforge.net/projects/mediaportal This program opens the portal to all your media. Listen,record and organise music, movies,radio, streams, pictures and even Pause TV!.Use internet sources to enrich your media with albumart or songnames. Enjoy your mediacenter or htpc as never before
25. WinMerge https://sourceforge.net/projects/winmerge WinMerge is a Win32 tool for visual difference display and merging, for both files and directories. Unicode support. Flexible syntax coloring editor. Windows Shell integration. Regexp filtering. Side-by-side line diff and in-line word diff visualisation.