Alternatives to Flock

Lark

Lark's Starter plan is described for small teams with simple communication needs.

Teams suits people who need chat, meetings, calls, and screen sharing across desktop, mobile, and web.

Discord

Discord suits people who want voice, video, or text communication organized around communities, including gaming groups.

Slack suits teams that need channel-based communication, guest access and integrations across desktop, mobile and web.

It suits people and organizations that want messaging across devices alongside Google Workspace apps and integrations.

It suits organizations wanting self-hosted or trusted-provider communication tied to Nextcloud collaboration tools.

Zulip

Zulip suits teams that want channel-based chat with guest access across desktop, mobile, or web.

Pumble

Pumble may suit teams looking for channels, direct and group messaging, and meetings in one workspace.

Wire

Wire suits organizations seeking encrypted communications, including those needing private-cloud or on-premises deployment.

Troop Messenger

It suits teams that need messaging across desktop and mobile platforms, with guest access and integrations such as Google Drive or LDAP/Active Directory.

Twist

It suits teams wanting channel-based messaging across desktop and mobile platforms, with guest access and integrations.