Cross platform
- Dropbox
https://www.getdropbox.com/
Similar to Mobile Me but free. Cross-platform network folder that integrates smoothly with your OS. Drag files into your folder on one computer and retrieve them on another. Or put pictures in your public folder and IM your friend the link.
Mac
- Seashore
http://seashore.sourceforge.net/
MS Paint-like program. Doesn’t support BMP file format FYI. - Hex Fiend
http://ridiculousfish.com/hexfiend/
Hex editor.
Windows
- PuTTY
http://www.chiark.greenend.org.uk/~sgtatham/putty/
SSH client. - WinSCP
http://winscp.net/eng/index.php
Nice graphical SFTP client. - HxD
http://mh-nexus.de/en/hxd/
Hex editor.
