Better communication
in one place

Manage all your conversation stacks in your own topics

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Share file tree in every chatting room

Share, review all files in every single chatting room.

Open various formats of files directly on chatting room

Making annotations and comments on diverse type of files come to be easy communication with people.

Pointing out spots and keep track of references

Make snapshots of specific spots in chatting room. All comments will reference back to the sources.

Features for remote collaboration & education


Cross-platform supports Mac, Windows, iOS, Android, Web

User action sync

Scroll, zoom and annotation sync
Easy comminication on the documents

Voice communication

Talk on the documents with students and teachers

Recording & sync on cloud

Every actions are recorded on the cloud server. People can access the recorded classes at any places

Live file-sharing

Realtime live meeting & sharing files

Cloud based

Cloud storage provided to store and share PDFs and meeting archives


Integration with popular services Slack, Evernote, Zoom


Extention plugins can cover diverse needs for particular environment