IM - Instant Messaging

Free Mac Software: Adium

Adium Why install three separate instant messengers when you can connect to AIM, MSN, Yahoo and GoogleTalk in a single, beautiful app? Plus it's a 100% free Mac Software. Everybody needs Adium.

Video Player, BitTorrent, Podcasting

Best Free Mac Software: Miro

Miro can play any video format (much more than quicktime), download torrents, permanently save videos from YouTube, and watch video podcasts. Beautiful interface, 100% free and open source.

Free Mac Software: VLC Media Player

VLC Media Player is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols.

Video Converter, Editor, Downloader

Best Mac Software: video converter mac

Best Video Converter for Mac to convert video files such as MPEG1, MPEG2, MP4, 3GP, 3G2, AVI, Mpeg, HD video formats including MKV, TOD, MOD, TS, TP and TRP. and output video formats including MOV, FLV, MP4, AVI, and MPG. It is the almighty solution for converting video files to iPad, iPod, iPhone, Apple TV, PSP, etc.

Best Mac Software: Mac Video Editor

Professional Mac Video Editor for editing videos accurately with three timeline tracks and over 48 transition effects, upload videos to YouTube, and export videos to iPhone, iPad, iPod, PSP, etc. for wider share and enjoyment. It also supports various audio formats, such as WMA, WAV, M4A, AAC, AC3, OGG and MP3.

Best Mac Software Download: youtube downloader mac

Download videos from YouTube and other similar video-sharing sites; Convert downloaded videos for iPad, iPod, iPhone (iPhone 4 supported) and more; Play and manage downloaded videos or flash videos on your Mac's hard drive.

Video Ripping, Burning

Free Software for Mac OS: Burn

Burns to DVD, VCD, and SVCD. Take your downloaded videos and burn them to disks you can watch on regular DVD players. For VCD and SVCD you don't even need a DVD burner. Free and open source!

Free Mac Software Download: DVD Copy Mac

Professional DVD Copy Mac software designed for Mac OS users to copy D9 and D5 DVD movies (D9 to D9 and D5 to D5). It can copy your DVD to either a new DVD disc or save as DVD folder, ISO file or DVD player media on Mac with the original quality 100% preserved.

Converting video files from one video format to another has been easily on Mac OS X platform, which there are a lot of free mac video converter available to download over the net.

Best Free Mac Video Converter: HandBrake

HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded video transcoder, available for MacOS X, Linux and Windows. It is the best free Video Converter for Mac. The advantages of using Handbrake is that most of the settings are already preset for you. What you need to do is just load the video file, choose the format that you want (or the device that you want to convert for) and click Start to start the encoding. Handbrake will take care of the rest.

Free Mac Video Converter: FFmpeg

ffmpegx uses more than 20 powerful Unix open-source video and audio processing tools, including ffmpeg, mpeg-2 encoder and mpeg-4 encoder, so it's not surprising to see that it can supports almost a great tons of video formats.It supports convert among various video formats, such as wma to mp3 mac, flac to mp3 mac, avi to mp4 mac,, mpeg to avi , etc.  

Free Mac Video Converter: MediaCoder

Mediacoder is a free Video Converter Mac which works on a large variety of formats. New features, conversion options, and conversions formats are constantly being added to support newly-released devices. Mediacoder dubs itself as the "swiss army knife for media transcoding"… simple, quick, and does everything that it is asked. Mediacoder gives straightforward tools that you won't easily find in other converters like video compression, extracting audio from video files, and repairing corrupted or partially downloaded video files.

Best Mac Video Converter Free Download: Video Converter Mac

Free download this video converter for mac, you can convert different video formats for all popular mobile players including iPad, iPod touch, iPod classic, iPod nano, iPhone, Apple TV, PSP, etc. And you can also convert video files such as MPEG1, MPEG2, MP4, 3GP, 3G2, AVI, MPEG, HD video formats including MKV, TOD, MOD, TS, TP and TRP. and output video formats including MOV, FLV, MP4, AVI, and MPG.