Colloportus is the spell from the Harry Potter universe which is the "locking spell". The name was chosen to represent "locking out" big business from selling your personal information and violating your privacy. The goal of Colloportus is for friends and family to leave the big social MEDIA sites and get back to social NETWORKING, all while enjoying the privacy and freedoms they deserve.
Mastodon is a social network based on open web protocols and free, open-source software. It is decentralized like e-mail.