- Nokia Multimedia Transfer - essential for integrating a Nokia smartphone into a Mac
- Seashore - somewhat basic but useful image cropper/manipulator
- KompoZer - not supported anymore and 1% buggy, but a terrific visual HTML/WYSIWYG editor
- Cyberduck - the best FTP client for the Mac
- Copernicus - small screen video grabber, useful for odd extractions from web animations
- Audacity - the famous audio editor
- Open Office - the equally famous full Office suite
- Burn - additional disc burning functions beyond the built-in bits of Mac OS - still not sure if I need this, but it's got a great reputation
- Audio Hijack Pro - ditto. Not found an actual use yet, but it seems like something I'll find just the job in hurry in the future
- Disk Inventory X - super for finding where all my hard disk space has gone
- OnyX - the Apple-recommended semi-official hard disk verification and clean-up utility - hasn't found a problem yet on my Mac, but you never know....
- Smultron - a text editor that copes well with the huge text files used in my Trivopaedia
- Syncplicity - a somewhat erratic but potentially life-saving 'back up everything as you go along' online utility
- Wimpy FLV Player - as it sounds.... there's no native FLV playback in Mac OS X
A somewhat shockingly long list, I'd thought that Mac OS X would do most everything I needed (what with the superb iLife 09 suite etc), but it turns out that, just as under Windows, there were a whole raft of little addons I needed in order to get everything done!
I do hope this list helps someonem anyway.

