openimsdk

    openimsdk/open-im-server

    #571 this week

    IM Chat OpenClaw

    messaging
    chat
    im
    messenger
    openclaw
    Go
    Apache-2.0
    16.7K stars
    3.0K forks
    16.7K GitHub watchers
    Updated Oct 13, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    Ranks #571 of 2,845 repositories GStars tracks this week (top 20%).

    2 releases in the last 90 days, the latest today, with 74 contributors on GitHub.

    Peaked at #54 in the weekly ranking the week of Mar 29, its best in the past year.

    Use Cases & Benefits

    • Provides an open-source instant messaging server with microservices architecture for scalable chat and messaging solutions.
    • Enables large-scale user and message support with flexible deployment options including Kubernetes, Docker, and source code.
    • Use for integrating real-time messaging and user management into custom client applications across platforms.
    • Use for deploying scalable IM backend services supporting millions of users and billions of messages in production.
    • Use for extending business systems with REST APIs and webhooks to automate group management and message pushing.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    Apache 2.0

    Permissive: commercial use, modification and redistribution are allowed with attribution; includes an explicit patent grant from contributors.

    Community files

    • README: present
    • Contributing guide: present
    • Code of conduct: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    Unlike standalone chat applications such as Telegram, Signal, and Rocket.Chat, OpenIM offers an open-source instant messaging solution designed specifically for developers rather than as a directly installable standalone chat app. Comprising OpenIM SDK and OpenIM Server, it provides developers with a complete set of tools and services to integrate instant messaging functions into their applications, including message sending and receiving, user management, and group management. Overall, OpenIM aims to provide developers with the necessary tools and framework to implement efficient instant messaging solutions in their applications.

    OpenIMSDK, designed for OpenIMServer, is an IM SDK created specifically for integration into client applications. It supports various functionalities and modules:

    Built with Golang and supports cross-platform deployment to ensure a consistent integration experience across all platforms.

    Excerpt from the openimsdk/open-im-server README on GitHub (Apache-2.0 license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Aug 27: +0Aug 28: +4Aug 29: +3

    +148 stars over 85 days across 10 snapshot days; best day +4 on Aug 28.

    Forks

    3.0K+48

    Open issues

    125+17

    Compared with peers in Messaging

    Fastest-growing repositories GStars tracks in this cohort for the week of Oct 11, by 7-day star growth

    openimsdk/open-im-server compared with Messaging repositories by stars, 7-day star growth, health score and last release
    RepositoryStars+7dHealthLast release
    openimsdk/open-im-server16.7K+045today
    InsForge/InsForge13.1K+0756 days ago
    TEN-framework/ten-framework11.2K+07520 days ago
    nats-io/nats.go6.8K+07524 days ago
    macro-inc/macro4.9K+0751 day ago
    Mininglamp-OSS/octo-web1.2K+075today
    Category median6.8K+075—

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