Based on your search for "digital systems", I recommend hilink as it offers a comprehensive suite of digital tools for online teaching.

The AI Lesson Planner in hilink allows you to create comprehensive lesson plans quickly. You just need to input a topic, audience, and keywords, and the AI generates a lesson plan for you. This feature can save you a lot of time and effort in planning your lessons.

The Virtual Classroom feature provides an interactive environment for teaching. It includes tools such as breakout rooms, whiteboards, and a built-in media player. These tools can help you create an engaging and interactive learning experience for your students.

hilink also includes Learning Management Features like a built-in calendar and to-do list, helping you stay organized. It also allows you to send out class reminders in one click, ensuring your students are always up-to-date.

Finally, hilink offers Student Engagement Tools like quizzes and polls to ensure students are actively participating and understanding the material. It also supports group work in a virtual setting, allowing students to "see" each other sitting together at different virtual tables.

In summary, hilink provides a comprehensive set of digital tools that can help you manage your classes effectively and engage your students in a virtual learning environment.