Some popular English speaking courses for intermediate learners include:

1. English Speaking Courses by British Council: The British Council offers a range of courses designed to improve English speaking skills at different proficiency levels. Their courses are well-structured and taught by experienced instructors.

2. EF English Live: EF English Live provides online English courses that focus on speaking and conversation skills. The courses are interactive and cater to intermediate learners looking to practice speaking in real-life situations.

3. Duolingo English: Duolingo offers an English course that covers speaking, listening, reading, and writing. It’s a good option for self-directed learners who want to improve their English speaking skills at their own pace.

4. Rosetta Stone: Rosetta Stone offers immersive language learning programs that can be beneficial for intermediate English learners. Their methodology emphasizes speaking and pronunciation practice.

5. EnglishCentral: EnglishCentral is an online platform that offers a variety of English speaking courses, including video lessons with interactive speaking practice. It’s a great tool for improving pronunciation and fluency.

These courses can help intermediate English learners enhance their speaking skills through structured lessons, interactive practice, and feedback. It’s important to choose a course that aligns with your learning goals and preferences.