Free apps I like

Here are some of the most useful FREE applications I use. I'll update this as I find good ones.

General Utilities

• CD/DVD burning, including ISO images: ImgBurn & InfraRecorder
  
• Hard drive visual analyser: WinDirStat
• Open a command prompt in any directory: Command window here @ MS XP Powertoys
• Copy paths, names, and UNC from right click context menu: Ninotech Path Copy
  
• Provide a shortcut key to switch windows between multiple monitors: JumpWin (although I hear UltraMon is good too it is not free; the free JumpWin does all I need. Don't forget to chuck it in your startup folder.)
• File compression (including ZIP): IZarc
  
• Multiple file rename with wildcard search and replace: Rename Master
• Duplicate file finder and remover: DupKiller
  

Music

• Online music (including streaming): Last.fm (but the client is unreliable for scrobbling played tracks off iPods)
• iPod audio scrobbling for Last.fm: LastPod
  

Photos/image/video software

• Photo stitching - awesome, automatic, free, and developed at UBC: AutoStitch
• Embed and edit tags in photos (including IPTC/XMP editing): iTag
• Painting program: Paint.NET
• Screen video capture: CamStudio
• Photo editing: IrfanView
• Convert any video to iPod format video: Videora
• Play DVDs: Media Player Classic or VLC Media Player
  

Online apps

• Online backups: Moxy
• Desktop search: Google Desktop (without any gadgets thank you!)
  
• Photo management: Google Picasa (please fix caption creation and editing, and make Albums more stable)
• Online file conversion, including images, audio, video, documents and compressed files: Zamzar
• Online secure and public file sharing/collaboration and syncing (replaces FTP transfers, file emailing, version control, and cumbersome manual syncing with memory sticks): Dropbox
  

Connectivity

• Secure FTP Client: FileZilla
• Telnet/SSH Client: PuTTy
• Remote Unix virtual desktop: NoMachine NX Free Edition
  

Data tools

• Data digitiser (for extracting data from printed graphs): Engauge Digitizer
  

Geophysics

• Potential field FFT processing, including upward continuation: FourPot (by Markku Pirttijärvi at the University of Oulu, Finland)
  
• Paleomagnetic analysis, including plotting NRM components: Paleomagnetic Analysis Program
• 2D gravity modelling and inversion: GravCadW
• Hammer gravity terrain corrections: Hamxyz2
• UBC-GIF inversion model builder and viewer: Meshtools3D
  

Programming

• C/C++ development: Bloodshed Dev-C++

GIS

• Google Earth (and don't forget the built in flight sim [Lifehacker]!)
• Display ArcView shapefiles in Google Earth from ArcView with a click of a button: Do Google (an Avenue script)