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14/07: Great news for Mefarshei HaOtzar clients!! The first Mefarshei HaOtzar update is now on our website!! Apart from fixing several bugs, this update will add the following Masechtos to your program: Rosh-Hashana, Succah, Avodah Zara and Zevachim. It will also complete Maseches Eiruvin. Email notifications have been sent to our clients (take care that the message hasn’t reached your promotions folder by mistake). To download the update, click here. ******    From now on, in 'Otzar online', the first 150 pages of each book will be available for free, as well as the first 40 pages of the add-on packages, for purchasing subscription and printing vouchers click here

comparison chart Institutions

  Otzar HaHochma Hardware Otzar Online
    Concurrent user licenses School online version
Connection options local network IP range of institution local network
Access to the database with a USB port online online
Access with EZ-Proxy through instution's IP range
Downloading software
to your PC
Appropriate for single or multiple workstations on a network Especially suited to large institutions: universities, Jewish research institutes and departments of religious studies, colleges and other places of higher education. School computers connected to a local network
Library Scope      
Number of books 82,700 Judaic books 105,000 Judaic books 13,000 Judaic books
Limited Editions available
First user   $1,950 $395
Each additional
simultaneous user
  $1,285 $75
Periodic fee /
one-time payment
one-time payment annual fee annual fee
Updates Separate charge automatically automatically
Hyperlinks In the near future In the near future
Scan-to-text conversion
Effortlessly access commentaries on Shas and Torah Portions:
Adding personal notes (annotations) links and keys Notes only Notes only
Stored searches In the near future In the near future
Technical requirements      
Recommended browsers   Microsoft Internet Explorer 7.0+
Mozilla Firefox 2.0+
Google Chrome
PC requirements Pentium IV and up.
doesn't suit MACINTOSH computers
Suits MACINTOSH computers Suits MACINTOSH computers
Operating system Windows 2000, XP,
Vista, Windows 7, 8
Windows 2000, XP,
Vista, Windows 7, 8
Windows 2000, XP,
Vista, Windows 7, 8