PagineJalal al-Din Rumi was a Persian Sufi mystic whose Masnavi and thousands of lyric poems explore longing for the divine. The Mevlevi order founded by his followers is famous for its whirling ceremony. Older public-domain translations include those by R. A. Nicholson.
Yes. Rumi’s poems are in the public domain.
Masnavi, Divan-e Shams-e Tabrizi.