| Proprietary Tool(s) | FOSS Tool(s) | Area |
|---|---|---|
| Adobe Acrobat Pro | Tesseract | OCR |
| Abby Reader | GOcr | |
| Adobe Photoshop | GIMP | Images |
| Microsoft Office | LibreOffice | Office |
| ArcGIS | QGIS | GIS |
| MS Outlook/Apple Mail | Thunderbird | |
| Audio editing software | Audacity | Audio |
| Instant Messaging | Adium; Pidgin | IM |
| Dropbox | Owncloud | Doc sharing |