You can try free sample tests and buy self-study practice sets for PET, FCE, CAE and IELTS. Each test offers authentic practice for all exams, exam tips, sample written answers with commentary and audio scripts.
These pages contain free online practice tests for the most important international ESL/EFL exams: IELTS, TOEFL, and the Cambridge ESOL exams, such as CPE, CAE, FCE, and PET.