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Fossi... All you need is an Internet connection and your fax service account. No tedious Web interfaces, no sending faxes via email attachments business. Well integrated you can send your documents straight from your print dialog. Pick the recipient from your addressbook or just type in the number. Fossi will send your fax in the background and let you know about the result. The faxes window provides an overview of past and current faxes.

What's New

Version 1.1:
  • Upgrade to 10.6 with 64-bit support. Dropped 10.4 support!
  • [CHG] Signed updates.
  • [CHG] Upgraded to FeedbackReporter 1.2 (64bit).
  • [CHG] Upgraded to Growl 1.2 (64bit).
  • [CHG] Upgraded of EdMessage (64bit).
  • [CHG] Upgraded of XMLRPC (64bit).
  • [CHG] Bumped expiry date.


Mac OS X 10.5 or later

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Fossi User Discussion

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SjK_484 Member IconComment+0

I get a ...

404 Not Found

when trying to download Fossi

Any clues?

Reply0 replies
Version 1.1
JimW Member IconComment+455

An Apple Modem dongle that plugs into a USB port is under $50 and does not require a subscription (other than your regular phone line) to use it and has no quantity limitations. For the occasional or very heavy FAX user, this is probably more economical then an annual electronic FAX subscription service. Basic Faxing is built into OSX. I have used PageSender for years that substantially expands the capability of the OSX tool and supports many FAX services. This is not a criticism of this product, but only offered as information so that potential users can make an informed decision.

Reply3 replies
Version 1.0.4

You seem to overlook that your “regular“ phone line might not be so regular anymore. I know more than enough people, including me, who already ditched their regular analogue or ISDN land line and its provider or are in the process of doing so. A broadband internet connection and a mobile are nowadays both sufficient and more economical for many private and professional telecommunication usages.


Great idea! Ditch residential phone service for VOIP and count yourself among the dead or dying if you need help via 911 in a natural disaster when cell phone towers are overloaded and servers or overloaded or down. Land line is a proven technology with a history of behavior in times of such disasters. VOIP is not. Land line wile not perfect or absolutely 100% reliable is usually the last to go down and the first to come back. In disaster conditions when I need help I want the best chance to get it with a proven technology that has a history rather than a technology with a brief history of failure that is promoted with empty promises and slick marketing. Yes, I am willing to spend a few extra bucks a month for a proven abet older technology that will give me a better change of saving my life in times of floods, earthquakes, wind damage, or military attack. While VOIP may be great for businesses, I want the most proven technology for me and my families lifeline at home. That technology is copper landline. If you don't believe this, just ask your VOIP provider for statistical and historical data of performance in disaster or emergency conditions and see just how far you get and what they are willing to provide. While VOIP providers would like you to believe that you will have reliable phone service in disaster or emergency conditions, I have yet to see any actual data using real life situations that would back up their claims.

Nathan Fleischer

Why not comment on the actual software, weather and how it works, etc., instead of making a point as to why it isn't necessary? I doubt that does any good for the developer, and seems unwarranted. Also, you fail to see that there are people like me who are not going to use the dongle, as you suggest. I do not have a POTS line, neither will I get one; they are expensive, taxed to the hilt, clogged by telemarketing, etc. I have a fax service, and this product is just the kind of enhancement that I need and appreciate.

pintapass Member IconReview+36

Really great app. So far I've sent a handful of faxes through my Sipgate.de account (which doesn't even have the "Plus" fax option), and it's worked beautifully.

When I had what I thought was an issue, he returned my e-mail within a day and encouraged me to continue providing feedback to improve Fossi. He's been extremely courteous, even in the face of poor spellers calling his free app "a waist of time."

Since Apple's taken the modem out of Macs, this is a fantastic solution to the problem of convenient faxing from the print dialogue. And even if you've got an older Mac with a modem, this obviates the need to stay plugged into the phone line.

Reply0 replies
Version 1.0.3
Dalahast Member IconComment+139

I don't have any use for this, but I can't help but say that the name instantly brought to mind ‘Se quel guerrier io fossi' from Aida, and the phrase ‘celeste Aida' is stuck in my head.

Reply0 replies
Version 1.0
::mile:: Member IconComment+142

Yes, this sure looks interesting, but of course it needs way more services included than just Sipgate...! I've been using eFax (http://www.efax.com/) for quite some time and their Mac client sucks big time, so it would be awesome to see support for the eFax service...!

I guess it's also a matter of the service providers letting you use their APIs, but I'll be looking forward to further improvements... :)

Reply0 replies
Version 1.0
Mac-Mail Member IconComment+134

It doesn't work!!!!!!!!!!!!!!!!!
Totally waist of time.

Just use the regular fax machine.

Reply4 replies
Version 1.0

Right, like we all have fax machines at home or on the road...!?!

Vafer.org (Developer)

Could you please be more specific? What did not work for you?


If you could enclose a text file of how to use it. It might save a lot of try to figure it out. At least should mention it only works with pdf file.

Can't even find it in the printer's window.

Vafer.org (Developer)

Please have a look at the screencast on how to use it.


(Click on it to get the bigger version)

It works from every standard print dialog (Apple+p). Which also means it works with all printable documents.

But yeah ...I will provide a README with the next release.

Thanks for the suggestion.

MikaelF Member IconComment+162

Tried to sign up for that German based fax service. No luck...only works in Germany or?

Some more info wouldn't exactly hurt...


Reply0 replies
Version 1.0
There are no Ratings for this App yet.
> 5 1


Current Version (1.x)


Downloads 7,531
Version Downloads 3,190
License Free
Date 09 Oct 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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