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From Thursday 13 Tishrei (28 September 2023), until Monday the second day of Rosh Chodesh Cheshvan (16 October 2023), online access to the Otzar HaChochma and Meforshei HaOtzar Website will be open to all, for FREE (not including institutional packages). ******** On Chol Hamoed Succos the Otzar HaChochma offices are closed. For urgent matters only, you can contact us by email at: [email protected], and we will do our best to help you.

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 126,000 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