This is one of a group of fonts developed in response to finding so very few nice representations of ancient scripts on the web. Indeed, this is a development of my first font for Avestan, shown on the main Avestan page.
UPDATE August 2020 I have built a new version of Avestan Nouveau which now runs RTL (right-to-left). You just need to activate a فا Farsi keyboard input.
I have also included my older version of Avestan encoded into the Unicode block U+10B00, in the same font, so you can now read text stored in the prescribed format. Later this year I hope to build an RTL version of my older font, plus do a Unicode set for Avestan Nouveau.
There seem to be many problems in creating a natural workflow for typing, viewing and storing Avestan. Even though the script was accepted into Unicode in 2009, nice fonts and simple input are still lacking. In any case, I shall probably build and include a small Java program to convert text typed with the chosen input method, into pure/standard Avestan.
Vowels
There have been various methods of transliterating Avestan; here and below I show some common ones.
Main consonants
Other symbols, punctuation
Ligatures
Example
This is text from the Avestan scripture Yasna 45.II, using the Avestan Nouveau font:
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