I use quite a few applications on a daily basis, thought I’d put them out there and see what else is out there.  I didn’t include all of the standard apps such as creative suite or gmail.

Windows

• Digsby (chat client w/ social and email integration)
• Aptana (IDE built on Eclipse w/ integrated FTP, plugins for Rails & PHP)
• WinSCP (Standard FTP with ability to open up terminal over sftp)
• Launchy (quickly launch applications, similar to Launchbar or Quicksilver)
• FoxIt Reader (Extremely fast PDF opener, no reason to use Adobe Reader)
• 7-zip (Help windows open archives besides .zip)
• uTorrent (Very light torrent client)
• Dropbox (Sync files over the web w/ client apps for win/mac/linux)
• fabForce DBDesigner 4 (Relational DB modeling tool)
• Notepad++ (Basic text edtior with built in FTP)
• Picasa (Photo viewer from google well google bought them)
• TightVNC (very lightweight VNC client/server)

Web Based

• Tada List (Very Basic Todo List)
• Writeboard (Web-based text documents with collaboration integration)
• HiTask (Another todo list application, more features such as calendar and export functionality)
• 280 slides (Make presentations online and share with anyone, very keynote like)
• Remember the Milk (Another todo list application but with twitter integration)

Firefox Plugins

• Chatzilla (IRC chat client)
• CSSViewer (Shows CSS styles on hover)
• Delicious (a necessity, active search rocks)
• Download Statusbar (similar to Chrome’s download bar)
• JSView (Quick link to view javascript for site)
• Firebug (A must for developers)
• LinkChecker (Checks all of the links on the current page, color codes them based on response code. finds broken links easier)
• Locationbar (greys out everything in the location bar except for the domain)
• MeasureIt (measure anything in the browser)
• Password Exporter (Very useful if transferring passwords or you need to wipe your firefox profile)
• Quick Restart (Restarts firefox with ctrl+alt+r)
• Remember The Milk for Gmail (adds Remember the Milk functionality into gmail)
• ScribeFire (amazing blog editor within firefox, opens as a panel in the bottom of the window)
• Secure Login (automates logins with key presses, similar to Opera’s wand)
• Speed Dial (Direct access to your most visited sites)
• Tab Catalog (Catalog view of open tabs)
• Table2Clipboard (easily copy tabular data from sites into excel)
• Ubiquity (Your Command line to the internet)
• Web Developer (web developer toolbar, very useful tools)
• Twitterfox (update and display your twitter from firefox)

OS X

• Textmate (A trusty text editor)
• Adium (multi network chat client)
• CSSEdit (very slick CSS coding, shows you live preview while modifying css)
• Keep an eye out for espresso (Mac Web Development) from the same guys that make CSSEdit
• Dropbox (Sync files between mac/pc/linux/internet)
• YummyFTP (Reliable FTP client)

I know I’m missing quite a few OS X apps, didn’t have my macbook in front of me at the moment.

What else am I missing?