Various continental composers wrote in a similar vein, but all called their work canons. The most prolific was Michael Haydn, whose work remained unpublished until very recently. He encouraged his neighbours in Salzburg, the Mozarts, to sing and write canons, and several by Wolfgang are extant, including two MS originals in BL.
This phenomenon is also seen in other European composers who wrote music in a similar style, but all referred to their creations as canons. The most prolific was Michael Haydn, whose work remained unprinted until very recently. He encouraged his neighbors in Salzburg, the Mozarts, to sing and compose canons.