Dochula Pass, Bhutan

The language subtag lookup tool now has links to Wikipedia search for all languages and scripts listed. This helps for finding information about languages, now that SIL limits access to their Ethnologue, and offers a new source of information for the scripts listed.

Picture of the page in action.

These are just some notes for future reference. The following scripts in Unicode 9.0 are normally written from right to left.

Scripts containing characters with the property ARABIC RIGHT-to-LEFT have an asterisk. The remaining scripts have characters with the property RIGHT:

In modern use

Adlam
Arabic *
Hebrew
Nko
Syriac *
Thaana *

Limited modern use

Mende Kikakui (small numbers)
Old Hungarian
Samaritan (religious)

Archaic

Avestan
Cypriot
Hatran
Imperial Aramaic
Kharoshthi
Lydian
Manichaean
Meroitic
Mandaic
Nabataean
Old South Arabian
Old North Arabian
Old Turkic
Pahlavi, (Inscriptional)
Palmyrene
Parthian, (Inscriptional)
Pheonician

See also the list of bicameral scripts.