Qatrib program for the conjugation of Arabic verbs, in tenses and assigning them to pronouns. Qatarb is an open source program that provides the user with free use, in the form of a website and a desktop program. And for developers, it is used as a software library from the website or on Python libraries. Qatrb conjugates Arabic verbs easily and easily, and helps the user in learning and correcting his information. **Program Features** Conjugation of the verb in the known and unknown past,