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Open source ModernMT alternatives: 1 app ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

1 of the 6 ModernMT alternatives we track are open source. LibreTranslate ranks highest, with facts last verified Nov 8, 2026.

ModernMT has been discontinued. New sign-ups are closed and the service sunsets by the end of 2026, replaced by Lara, according to ModernMT's own site.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1LibreTranslate logoLibreTranslateOpen source—YesWeb, Self-hosted4 of 465.4
  1. LibreTranslate logo

    1. LibreTranslateTop pick

    Best for: Developers and privacy-focused teams who want a free, self-hosted translation API

    Open sourceSelf-hostableWeb, Self-hosted

    65.4

    score / 100

    Why switch from ModernMT

    Open-source MT API you can host yourself at no licence cost.

    Pros

    • Runs entirely offline on your own hardware
    • Simple REST API supported by many self-hosted apps
    • No per-character costs when self-hosted
    • AGPL licence with an active community

    Cons

    • Translation quality trails commercial engines
    • Fewer supported languages
    • Needs a decent server for acceptable speed
    Visit LibreTranslate Details and reviews
    How this score is calculated
    Editorial fit ×0.357
    Reviews ×0.363
    Clicks (90 days) ×0.1563
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is LibreTranslate a good ModernMT alternative?

    Verified facts

    4 of 4 verified
    License
    AGPL-3.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Self-hosting
    Yes, offline capable
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Translation engine
    Argos Translate
    Checked Nov 8, 2026libretranslate.com(opens source in a new tab)
    Hosting options
    Self-hosted or managed hosting
    Checked Nov 8, 2026docs.libretranslate.com(opens source in a new tab)