Sanskrit
- Penn has their Sanskrit manuscripts viewable online.
- A handful of works are available from the Danish Royal Library.
- Some Jain manuscripts from the British Library are available at Jainpedia.
- Cambridge has an ongoing digitization project, and some manuscripts are already available on their online catalogue. Read about the project here.
- The Dharmartha Truth Library in Jammu/Kashmir (website) is putting full pdfs of their digitized manuscripts on scribd.
- The eGangotri project has been digitizing manuscripts in Kashmir and elsewhere in India, all are freely available online.
Persian (and other Islamic)
- AUSTRALIA
- University of Melbourne has put their Middle East manuscripts online.
- EUROPE
- Chester Beatty Islamic Seals Project.
- Bibliotheque Nationale de France has select Persian manuscripts on Gallica.
- Staatsbibliothek Berlin's Islamic manuscripts.
- Bayerische Staatsbibliothek Munchen has put some of their Persian mss. online.
- INDIA
- Khuda Bakhsh in Patna has made a few manuscripts available as PDFs online with more coming hopefully.
- The Allama Iqbal Library at the University of Kashmir has their Persian manuscripts online here.
- Some manuscripts can be found on the Digital Library of India, <note> the transliteration is not always obvious.
- IRAN
- Kitabkhanah-i Majlis in Tehran has put thousands of their Persian manuscripts online: searchable in Persian here.
- The Malik Library in Tehran is putting their manuscripts online here.
- UNITED KINGDOM
- The British Library is putting select Persian manuscripts online (unfortunately using a very clunky viewer). There are also some available on Fihrist.
- The Bodleian, Oxford, has put some Persian manuscripts online with promises of more to come.
- The Cambridge Islamic Manuscript Digitization Project includes many Persian manuscripts.
- The University of Birmingham has made a few of their Persian manuscripts available.
- The University of Edinburgh Oriental Manuscripts (warning--not the easiest interface)
- SOAS has put some Persian manuscripts online. Disappointingly, they appear to be selling the images and do not list the costs on their website.
- NORTH AMERICA
- The Aga Khan Museum in Toronto has digitized their manuscripts.
- Harvard's Islamic Heritage Project manuscripts, including many Persian.
- Michigan has made their newly digitized Islamic manuscripts available here.
- Princeton has put up a few hundred Persian manuscripts here.
- UCLA is digitizing their Near Eastern manuscripts, available for viewing here.
- University of Pennsylvania's manuscripts online, including Persian materials.
- The Walters Museum in Baltimore has digitized their collection of Islamic manuscripts, which can be viewed here.
- The Yale-SOAS Islamic Manuscript Gallery.
Lists of Islamic manuscripts online (including, but not limited to, Persian)
- University of Michigan's Islamic Manuscript Studies Research Guide
- An alphabetical list of Open Access Islamic Manuscripts
- The Archivalia list