Multimedia
40. MediaPortal
41. NicePlayer NicePlayer calls itself Quite simply, the nicest media player for Mac. The base version plays the same types of files as QuickTime, and add-ons provide support for most other types of video files.
42. xine Xine plays CDs, DVDs, and VCDs, as well as decoding and playing most types of audio and video files. Written in Assembly and C, Xine works with OS X, Linux, FreeBSD, and Solaris.
Photography
43. Gallery
44. Souvenance Unlike most photo gallery programs, the XML-based Souvenance doesnt require a separate database, making it really fast to deploy. It was just released in October of 2007, so its still a very much work in progress.
Office Productivity
45. OpenProj
46. OpenOffice.org Portable Now you can take the entire OpenOffice.org suite (Writer, Impress, Math, Draw, Calc, Base) with you wherever you go. Simply load OpenOffice.org onto a USB drive, CD, iPod, or other portable drive and you can use the programs without installing them in your system.
47. PDF Split and Merge Need to cut a long pdf file down to size? Or would you like to combine two shorter documents? PDF Split and Merge lets you do both without having to purchase the costly software.
48. PDFCreator As you might expect, PDFCreator creates PDF files from any Windows program. It can also create PNG, JPG, TIFF, BMP, PCX, PS, and EPS files, as well as encrypting PDF files.
49. MultiMedia Office This package from Plata Software combines some of the most popular open source software into a single package. It includes OpenOffice.org, Audacity, GIMP, VirtualDub, Thunderbird, and Opera.