Pencil allows you to bring as many participants as you please into Spaces and calls, and doesn't impose a limit on call length for free users.
Google Suite and MS 365 Integration
Using iFrames, students and educators can now work collaboratively to edit essays, create tables, or build presentations in either of their preferred app systems — all inside a Space!
Web Viewer
Use the Web Viewer to bring any external website into a Space, creating the perfect opportunity for group learning and virtual field trips!