A new wave of collaboration tools are taking hold in workplaces, particularly ones that value fast and frictionless communication and spontaneous collaboration.
The Universidad de Guadalajara Agora project organizers have used Slack to organize.
That link above should allow you to self-enrol. If you email firstname.lastname@example.org I can also add you.
Managing and creating channels: open and private.
Pinning key entries.
Mattermost works well on mobile devices, and has Android, iOS, and Desktop applications.
Built as a SPLOT.
http://appsa2j.trubox.ca/how - It is recommended longer pieces be written, or at least copied somewhere, before posting... Word or whatever platform is preferred.