Signal also has a "note to self" feature but as this is a webpage it is undoubtedly superior to both. No installation, instant access, have multiple users and

Signal also has a "note to self" feature but as this is a webpage it is undoubtedly superior to both. No installation, instant access, have multiple users and keys per browser(profile). Easily generate one off accounts. This is a gloriously good idea. So long as it works...