OpenSourcePicks

Open source alternatives to popular software, with live GitHub data

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Open source alternatives to popular software

OpenSourcePicks lists open source apps that can stand in for proprietary tools. Each one is checked against its own repository and documentation: what it does, its license, how to host it and how actively it is maintained.

225 apps in 21 categories. GitHub figures updated 21 October 2026.

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Most starred

  • Excalidraw

    Hand-drawn style whiteboard with end-to-end encrypted collaboration and an embeddable editor

    Stars
    134k
    Last commit
    today
    License
    MIT

  • Immich

    Self-hosted photo and video library with native mobile backup apps and local machine-learning search

    Stars
    117k
    Last commit
    today
    License
    AGPL-3.0

  • Supabase

    Postgres-based backend with auth, instant APIs, realtime, storage and edge functions

    Stars
    113k
    Last commit
    today
    License
    Apache-2.0

  • Uptime Kuma

    Self-hosted uptime monitor with dozens of check types, 90+ alert channels and status pages

    Stars
    92.7k
    Last commit
    today
    License
    MIT

  • Syncthing

    Peer-to-peer folder sync between your own devices, with no server or cloud account

    Stars
    89.6k
    Last commit
    today
    License
    MPL-2.0

  • Netdata

    Per-second infrastructure monitoring with auto-discovery, built-in alerts and on-node anomaly detection

    Stars
    81.1k
    Last commit
    today
    License
    GPL-3.0-or-later

Recently active

  • PostHog

    All-in-one product platform with product and web analytics, session replay, feature flags and experiments

    Stars
    40.4k
    Last commit
    today
    License
    MIT

  • Graphite

    Procedural vector graphics editor where every layer is backed by an editable node graph

    Stars
    27.7k
    Last commit
    today
    License
    Apache-2.0

  • Ampache

    Long-running PHP music and video streaming server that speaks almost every client protocol

    Stars
    3.8k
    Last commit
    today
    License
    AGPL-3.0-or-later

  • Ente Photos

    End-to-end encrypted photo backup with apps on every platform, hosted or self-hosted

    Stars
    29.5k
    Last commit
    today
    License
    AGPL-3.0

  • OneUptime

    Uptime checks, status pages, incidents, on-call paging, logs, traces and metrics in one platform

    Stars
    7.8k
    Last commit
    today
    License
    Apache-2.0

  • GO Feature Flag

    Stateless OpenFeature flag server that reads flags from files in Git, S3, Kubernetes or a database

    Stars
    2.1k
    Last commit
    today
    License
    MIT