| MIME type | Macintosh | Windows | Unix |
| Text | |||
| plain | SimpleText, etc. | NotePad, etc. | Pico, etc. |
| html | Netscape, etc. | Netscape, etc. | Netscape, etc. |
| Image | |||
| jpeg | JPEGView, GraphicConverter | ImageEye, Lview, Trudef | Xview |
| gif | JPEGView, GraphicConverter | ImageEye, Lview, Trudef | Xview |
| tiff | JPEGView, GraphicConverter | ImageEye, Lview, Trudef | Xview |
| vnd.dxf/dwg/dwf | WHIP!, Drawing/DXF | ||
| png | GraphicConverter, PngLive | PngLive | PngMagick |
| vnd.fpx | |||
| Audio | |||
| basic (.au) | SoundMachine | Wham, DirectAudio, Beatnik | Audiofile |
| wav | SoundApp | Wham, DirectAudio | |
| realaudio | RealPlayer, RealPlayer | RealPlayer, RealPlayer | RealAudioPlayer, RealAudioPlayer |
| voxware | ToolVoxPlayer | ToolVoxPlayer | ToolVoxPlayer |
| streamworks (.xdm) | StreamworksPlayer | StreamworksPlayer | StreamworksPlayer |
| Video | |||
| mpeg | Sparkle, QuickTimePlayer, QuickTime | NetToob, InterVu | Xantm |
| avi | AVItoQTConverter | MediaPlayer, ClearFusion | Xantm |
| quicktime | QuickTimePlayer, QuickTime | QuickTimePlayer, QuickTime | |
| activex | numerous | numerous | |
| X-World | |||
| x-vrml | Voyager, Live3D | Voyager, Live3D | LiquidReality, VRWeb |
| Applications | |||
| java | Netscape | Netscape | Netscape |
| visual basic | numerous | ||
| rtf | MSWord | MSWord | MSWord |
| AcrobatReader, AcrobatReader | AcrobatReader, AcrobatReader | AcrobatReader, AcrobatReader | |
| postscript (.ps) | DropPS | Prfile, Bprint | built-in |
| octet-stream | MIME-compliant Email | MIME-compliant Email | MIME-compliant Email |
| text-multipart | MIME-compliant Email | MIME-compliant Email | MIME-compliant Email |
| base64 | MIME-compliant Email | MIME-compliant Email | MIME-compliant Email |
| uuencode | UUlite | WinPack | uuencode |
| zip | ZipIt, Stuffit | PKZip, WinZip, WinPack | zip |
| gzip | MacGzip, ZipIt, Stuffit | WinPack | gzip |
| binhex | Stuffit | WinPack | |
| ms-word | MSWord | MSWord | MSWord |
| ms-powerpoint | Powerpoint | Powerpoint | Powerpoint |
| wordperfect | Wordperfect | Wordperfect | Wordperfect |
The following are sources for shareware software