Real-time messaging
One-to-one and group chats, message recall and read receipts. Powered by WebSocket so messages arrive instantly and never get lost.
v0.0.8 is out · Real-time sync across devices
Every conversation,
in perfect flow
Lim is an enterprise instant messaging and collaboration workspace. Chat, contacts, workbench apps and cloud drive in one place — online across Windows, Android and HarmonyOS, with messages synced in real time.
Cross-platform sync · Ready out of the box · Self-hosting supported
Built on a reliable enterprise-grade stack
Made for efficient collaboration
From instant messaging to an app workbench — everything your team needs, in one place.
Multi-device sync
Online status shared between desktop and mobile. Offline messages are re-delivered automatically — switch devices and keep chatting.
Workbench
Plug in cloud drive, OA, app center and more. Third-party apps integrate quickly through the open platform.
Cloud drive & docs
Fast file transfer, cloud storage and online preview. Collaboration assets always within reach — no more back-and-forth.
Organization directory
Departments, members and groups clearly organized. Global search takes you anywhere in one step.
Secure & controllable
Encrypted token storage and local offline message cache. Self-hosting supported — your data stays in your hands.
More than chat — it is your team workbench
Lim ships with a micro-frontend app framework that brings your daily work apps into one window: open and use, load on demand, with unified identity and access management.
- Open platform + JSSDK for fast third-party integration
- Cloud drive, approvals, calendar and more, loaded on demand
- Unified accounts and permissions for effortless administration
Cloud Drive
Approvals
Calendar
App Center
Attendance
Mail
Reports
More apps
Pick your platform and set off
One account, synced everywhere. Download, sign in, and your messages and workbench follow along.
Windows
A productive desktop client with multi-window support and a resident tray icon.
Android
Send and receive messages anywhere, stay in the loop on the go.
HarmonyOS
Built with native ArkTS and system-level push for better battery life and experience.