Rangjung Yeshe Institute
The Rangjung Yeshe Institute is a religious and educational organization in Nepal founded by Chökyi Nyima Rinpoche. This link goes directly to its courses in Tibetan language, with an introduction to the Tibetan alphabet and a course in Classical Tibetan language.
The Tibetan & Himalayan Library
The Tibetan & Himalayan Library includes collections of images, maps, and texts. It houses a key Tibetan language translation tool and other reference materials, including an archive of the Journal of the International Association of Tibetan Studies (JIATS). It emerged from the University of Virginia and integrates scholarship from a range of sources.
Himalayan Art Resources
The Himalayan Art Resources website, founded in 1997 through the Shelley & Donald Rubin Foundation, shares thousands of images from Tibet, Nepal, and Kashmir in an online research database.
The Tibetan Buddhist Resource Center
The Tibetan Buddhist Resource Center is a non-profit committed to preserving and disseminating Tibetan literature, founded by the late E. Gene Smith, an important scholar and archivist. The center emphasizes the urgency of preserving a fragmented, fragile body of literature through digitally scanning texts and making them broadly available.