一些有趣的应用

http://sourceforge.net/projects/akmeffmpeg/ - Akme FFmpeg Transcoder (conver/encode video/audio)
http://camstudio.org/ - an open source screen recorder in AVI format which can also convert to SWT (flash) format.
http://gnuwin32.sourceforge.net/packages.html - GNU Win32
http://anyterm.org/compared.html#secid2251182 - Anyterm (web shell/terminal), compare with others like ajaxterm
http://antony.lesuisse.org/software/ajaxterm/ - Ajaxterm, It was totally inspired and works almost exactly like http://anyterm.org/ except it's much easier to install
http://gearman.org/ - distribute computing library
http://www.acme.com/software/micro_httpd/ - 只有200多行的 HTTP server
http://google-perftools.googlecode.com - 极好的Profiler
http://distcc.samba.org/ - distcc: a fast, free distributed C/C++ compiler
http://en.wikipedia.org/wiki/OpenSUSE_Build_Service - Build Service
http://numrecognition.sourceforge.net/numrecognition/index.html - Handwritten Number Recognition
http://alternativeto.net - 一个寻找替代软件的网站
http://blog.yimingliu.com/2008/01/07/nat-pmp-client-library-for-python/ - NAT-PMP (无需硬件配置的端口映射)
http://download.cnet.com/Flash-Video-Downloader-for-Google-Chrome/3000-2378_4-75327988.html- Chome Video Downloader
http://www.syntevo.com/smartgit/index.html - SmartGit (Git GUI Client)
http://www.zeuux.org/group/zeuuxlife/bbs/content/52528/ - 国外最受欢迎的30款免费工具，有很多教育类的。
http://pencil.evolus.vn/en-US/Home.aspx - Pencil, Firefox plugin. 画网页界面的好工具！
http://jingoal.com - 在线办公系统，功能很全。
http://www.arduino.cc/ -
开源硬件运动的代表性的一个工具