The schismatic Qaraites initiated or rather necessitated a new Hebrew philology, which later on produced Qimhi, the gaon Saadiah founded a Jewish philosophy, the statesman Hasdai introduced a new Jewish culture - and all this under Mahommedan rule.
The Hebrew alphabet is also used, generally with the addition of some diacritical marks, by Jews to write other languages, chiefly Arabic, Spanish, Persian, Greek, Tatar (by Qaraites) and in later times German.
In the post-Talmudic age the Qaraites, who rejected the tradition of the Talmud, designated the Jews who adhered to that tradition as Rabbanites.
The Palestinian Talmud, although used by the Qaraites in their controversies, fell into neglect, and the Babylonian recension became, what it has since been, the authoritative guide.
Talmud by the Qaraites in their controversies with the Rabbis we owe the preservation of this recension, incomplete though it is.