Alternatives to Zalo

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

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

Discord

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

Pumble

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

Zulip

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

SimpleX Chat suits people who want messaging without assigned profile identifiers and need apps across mobile and desktop platforms.

Session

Session suits people who want private messaging without registering a phone number or email address, and who need encrypted group chats or disappearing messages.

Wire

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

It suits activists, journalists and others needing encrypted communication across internet and offline connections.

imo suits people seeking free internet calls and messaging across mobile, desktop, and web platforms.

Threema

Threema may suit people seeking messaging without providing a phone number or email address, as well as organizations needing messaging integrations and administration tools.

Signal

Signal suits people seeking encrypted messaging and calls across mobile and desktop platforms.

Telegram

Telegram suits people who want messaging across mobile, desktop, and web, including groups, channels, and file sharing.

Flock

Flock suits teams that need channel-based collaboration across desktop, mobile, web, and browser-extension platforms.

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.

Viber

Viber suits people who want messaging, voice and video calls, and large member communities across mobile and desktop.