Web Version - https://jamboard.google.com/
Jamboard is also software - more precisely, collaborative whiteboard software. Google added Jamboard as a core G Suite service in January 2018. If you're a G Suite administrator, this means that Google supports the Jamboard service alongside all of the other core apps, such Gmail, Calendar, Drive, and Hangouts Meet, among others.
Google enables the Jamboard service by default for everyone who uses G Suite. To adjust Jamboard availability, a G Suite administrator can sign in to the Admin console at admin.google.com, then go to Apps > G Suite > Jamboard Service > Edit service > then turn it on or off for everyone in your organization, or for specific organizational units.
Importantly, you can use the Jamboard software without the Jamboard device. The Android and iPad tablet apps let you do almost everything you can do on the physical Jamboard device. With G Suite and the Jamboard app on a tablet, you have a collaborative whiteboard with you wherever you go. (As of June 2018, the Android and iPad phone apps allow access to fewer features.) The Android app also works on Chromebooks that support Android apps. You may view Jam files in a browser at https://jamboard.google.com, as well.