Based on your search query, I would recommend hilink as it is specifically designed to make online teaching more engaging and efficient.

The AI Lesson Planner feature allows you to create comprehensive lesson plans quickly and recommends engaging activities to enrich the classroom environment. This can help you keep your students interested and involved in the lessons.

The Virtual Classroom includes interactive tools such as breakout rooms, whiteboards, and a built-in media player. These tools can be used to create an interactive and engaging learning environment. For instance, the breakout rooms can be used for small group discussions or project work, and the media player can be used to show videos of different locations or events for virtual field trips.

hilink also offers Student Engagement Tools like quizzes and polls to ensure students are actively participating and understanding the material. These tools can be used for real-time assessment of students' understanding and to encourage active participation.

In addition, hilink includes a built-in calendar and to-do list, helping you stay organized and manage your classes effectively. It also allows you to send out class reminders in one click, ensuring that your students are always up-to-date with their schedules and assignments.

In conclusion, hilink offers a suite of features that can help you make your online teaching more engaging and efficient.