# Chat introduction Anyone can access chatrooms at [[domain virtual-assembly.org]]. You can create a personal [[account]] to access the chat service directly. You can access the service indirectly via another Matrix chat service. ## Clients Matrix chat is accessed with any of several [Matrix clients]. Recommended chat client is [Riot], available in both desktop and mobile flavors. You can use several clients at once. [Matrix clients]: "Introduction to common Matrix clients" [Riot]: "Riot - recommended Matrix client" ## Setup Use the [[chatserver matrix.virtual-assembly.org]]. With the Riot client that is the "Home server" field after selecting "Custom server". Create a new account, providing your personal email address at [[maildomain assemblee-virtuelle.org]]. (do **not** provide a phone number) ## Channels All channels are listed in a public channel list. You can join channels each with different topics. You can mention a channel in chat by writing its name starting with a "#". ## Communities Matrix communities is a way to help limit view on channels. In Matrix clients supporting it, You join a community either from a link in the topic of corresponding general channel, or via a listing of all communities. You can mention a community in chat by writing its name starting with "+".