This table provides feature comparison among various translation tools, both Free (FOSS) and commercial.
| Virtaal | Wordforge | Poedit | G-Translator | Lokalize | KBabel | OLT XLIFF Editor | Loc Factory Editor | Emacs PO mode | Transolution | Omega-T | Wordfast | Swordfish | Heartsome | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FOSS | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | – | ✔ | ✔ | ✔ | – | – | – |
| Active | ✔ | ✔ | ✔ | ✔ | ✔ | – | ✔ | ✔ | ✔ | – | ✔ | ✔ | ✔ | ✔ |
| Implementation | Python/ GTK+ | Python/ Qt | C++/ wxWidgets | C/ GNOME | C++/ Qt/KDE4 | C++/ Qt/KDE3 | Java/ Swing | Java/ Cocoa | Elisp | Python/ GTK | Java/ Swing | ? | Java | Java/ Swing |
| Platform | ||||||||||||||
| Windows | ✔ | ✔ | ✔ | – | ✔ | unofficial | ✔ | – | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Linux | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | – | ✔ | ✔ | ✔ | – | ✔ | ✔ |
| MacOS X | ? | in X11 | in X11 | – | in X11 | in X11 | ✔ | pre- 10.6 | ✔ | ? | ✔ | ✔ | ✔ | ✔ |
| Supported formats | ||||||||||||||
| PO | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | – | ✔ | – | ✔ | – |
| XLIFF | ✔ | ✔ | – | – | ✔ | – | ✔ | ✔ | – | ✔ | – | – | ✔ | ✔ |
| TBX | ✔ | ✔ | – | – | ✔ | – | – | ? | – | – | ? | Pro (import) | ✔ | ✔ |
| Qt Lin- guist(.ts) | ✔ | – | – | – | – | – | – | – | – | – | – | – | ✔ | – |
| Qt Phrase- book(.qph) | ✔ | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Translation memory | ||||||||||||||
| TMX | ✔ | ✔ | – | ? | ✔ | ✔ | – | ✔ | – | ? | ✔ | ✔ | ✔ | ✔ |
| WordFast TM (.txt) | ✔ | – | – | – | – | – | – | – | – | – | – | ✔ | – | – |
| Internal format | ? | ? | ✔ | ? | – | – | ✔ | ? | ? | ? | ? | ✔ | ✔ | ? |