GroupMe alternatives

Team communication platform combining group chat, task management, and workflow automation in a single unified workspace.

Yac is an asynchronous voice and video messaging platform for remote teams, replacing unnecessary meetings with recorded messages.

ByteDance's enterprise collaboration platform combining messaging, video meetings, cloud docs, calendar, and workflow automation used by millions of enterprise users in China and globally vi…

Twist is an asynchronous communication platform by Doist that organizes conversations into threads, reducing notification overload and enabling focused work for distributed teams.

Work management platform combining messaging, tasks, and knowledge sharing with AI copilot for streamlined team collaboration.

Flock is a team messaging platform with channels, video conferencing, shared notes, task management, and third-party integrations for business collaboration.

Team collaboration service from Toss Lab popular in Korea, Japan, and Taiwan with chat, file sharing, and Kanban boards.

Clinical communication platform for hospitals providing secure messaging, operator console, and critical alert management for care teams.

End-to-end encrypted collaboration platform for messaging, calls, and file sharing with on-premise and cloud deployment options.

Japanese business messaging platform built for secure corporate use.

Brazilian conversational platform offering chatbots and CRM integration for enterprises.

Low-latency video and audio APIs and SDKs for adding interactive meetings and live streaming to any app.

Japanese business chat tool from L is B for factory and frontline teams.

One-time purchase team chat software (self-hosted) from 37signals ONCE product line.

Business version of LINE offering messaging, calendar, drive, and collaboration for enterprises.

Async standups, team check-ins, and OKRs for Slack.

Open source digital workplace with messaging, files, and calendar from LINAGORA for Europe.

Chat feature of Workplace from Meta for instant messaging and video calls (sunset 2026).

Messaging platform from Estonia combining email interoperability with team chat, tasks, and shared pinboards.

Chat-as-a-service platform with channel messaging, reactions, and push notifications for iOS, Android, and web.

Meetecho's open-source general-purpose WebRTC server supporting multiple use cases like SFU, MCU, and gateway.

Unified messenger app combining Slack, WhatsApp, Telegram, and other chat services.

Context-preserved team chat with async-first design and structured conversations.

Cross-platform messaging interoperability for Microsoft Teams, Slack, Webex, and Zoom.