FireFTP – Free FTP For Firefox
FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers. After it installs, FireFTP is available in the ‘Tools’ menu within Firefox. This package is very useful for anyone who needs to transfer files to an FTP account.

Cyberduck – FTP and SFTP Browser for Mac OS X
Cyberduck is an open source FTP and SFTP (SSH Secure File Transfer) browser licenced under the GPL with an easy to use interface, integration with external editors and support for many Mac OS X system technologies such as Spotlight, Bonjour, the Keychain and AppleScript. It works great with Smultron.

Smultron – Free Text Editor For Mac OS X
Smultron is a free text editor for Mac OS X which is both easy to use and powerful. It is designed to not confuse newcomers nor disappoint advanced users. It also integrates well as an editor for Cyberduck.