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Sotto alternatives

Sotto combines CEFR courses with mastery-gated grammar, reading, listening, speaking, and writing practice. Its SM-2 memory graph schedules vocabulary and grammar reviews, while adaptive listening and source-based classes turn articles, papers, YouTube links, or personal interests into leveled lessons. Learners can run the application, database, and files on their own stack, use configured AI and speech providers, and continue offline with local components. Browser, desktop, terminal, mobile, and workbook options extend access beyond one interface. The software is free to run under AGPL-3.0, with provider charges paid directly.

  1. 1

    Duolingo

    by Duolingo
    Free plan AndroidiPhoneMac+1

    Guided mobile lessons with broad mainstream access — Duolingo offers freemium hosted lessons on Android, iOS, macOS, and web instead of Sotto’s self-hosted, configurable learning stack.

    7.7 Free plan · 14-day trial Visit site
  2. 2

    Busuu

    by Busuu
    Free plan AndroidiPhoneWeb

    Hosted practice across 14 languages — Busuu provides hosted lessons across 14 languages, while Sotto centers on self-hosted CEFR courses and user-supplied content.

    7.5 Free plan Visit site
  3. 3

    Learning with Texts

    by Learning with Texts
    Free plan Open source LinuxMacSelf-hosted+2

    Reading-focused study with imported texts — Learning with Texts focuses on importing texts, optional audio, and vocabulary records rather than Sotto’s full CEFR skill course.

    9.3 Free plan Visit site
  4. 4

    LingQ

    by LingQ
    Free plan AndroidExtensioniPhone+1

    Large catalog of language learning content — LingQ offers 52 languages through hosted web, extension, and mobile apps, while Sotto offers self-hosting and configurable providers.

    7.7 Free plan · paid from $8.99/mo (annual) Visit site
  5. 5

    mLearn

    Free plan AndroidExtensioniPhone+3

    Immersion through interactive videos and books — mLearn emphasizes videos, books, vocabulary, and subtitle-click flashcards with screenshots instead of Sotto’s CEFR mastery structure.

    7.6 Free plan Visit site
  6. 6

    TextLingo 2

    Free plan AndroidiPhoneLinux+3

    AI-assisted learning from chosen media — TextLingo 2 analyzes imported articles, lyrics, news, videos, and novels with an AI companion, unlike Sotto’s self-hosted provider setup.

    7.6 Free plan Visit site
  7. 7

    LearnEnglish Grammar

    Free plan AndroidiPhone

    Structured English grammar practice — LearnEnglish Grammar concentrates on English grammar exercises across four levels and lacks Sotto’s speech practice, placement test, and broader skills.

    Free plan Visit site
  8. 8

    Language Transfer

    Free plan Open source AndroidiPhoneWeb
    8.8 Free plan Visit site
  9. 9

    SuperMemo

    by SuperMemo
    Free plan AndroidAPIiPhone+4
    7.7 Free plan · paid from 35.99 PLN/mo · 30-day trial Visit site
  10. 10

    Mondly

    Free plan AndroidiPhoneMac+1
    7.7 Free plan · 7-day trial Visit site
  11. 11

    Talkpal

    by Talkpal
    Free plan AndroidiPhoneMac+1
    7.7 Free plan · 14-day trial Visit site
  12. 12

    Mango Languages

    by Mango Languages
    Free plan AndroidExtensioniPhone+1
    7.6 From $10/user/mo (annual) Visit site
  13. 13

    Clozemaster

    Free plan AndroidAPIiPhone+1
    7.6 Free plan Visit site
  14. 14

    Talktiko

    Free plan AndroidAPIiPhone+1
    7.6 Free plan · paid from $4.17/mo (annual) · 7-day trial Visit site
  15. 15

    Langua

    Free plan AndroidiPhoneMac+1
    7.6 Free plan Visit site
  16. 16

    Innovative Language Learning

    Free plan AndroidiPhoneMac+2
    7.6 Free plan · 7-day trial Visit site
  17. 17

    Qlango

    by Qlango
    Free plan WebWindowsMac+3
    7.6 Free plan · paid from $5/mo (annual) Visit site
  18. 18

    Memrise

    by Memrise
    Free plan AndroidiPhoneWeb
    7.5 Free plan · paid from €69.99/yr Visit site
  19. 19

    FluentU

    by FluentU
    Free plan WebiPhoneAndroid
    7.5 Free plan · paid from $11.99/mo · 14-day trial Visit site
  20. 20

    EnglishCentral

    Free plan AndroidiPhoneWeb
    7.5 Free plan Visit site
  21. 21

    Lingopie

    Free plan AndroidiPhoneWeb
    7.5 Free plan · 7-day trial Visit site
  22. 22

    KoreanClass101

    by KoreanClass101
    Free plan WebiPhoneAndroid
    7.5 Free plan · paid from $4/mo · 7-day trial Visit site
  23. 23

    JapanesePod101

    by JapanesePod101
    Free plan AndroidiPhoneWeb
    7.5 Free plan · paid from $4/mo (annual) · 7-day trial Visit site
  24. 24

    Xeropan

    by Xeropan
    Free plan WebiPhoneAndroid
    7.5 Free plan · 7-day trial Visit site
  25. 25

    Meslingo

    by Meslingo
    Free plan AndroidiPhoneWeb
    7.5 Free plan · paid from $3.99/mo Visit site

Readers may seek alternatives when self-hosting, provider configuration, or Windows setup through WSL2 is inconvenient. Other products emphasize guided daily exercises, hosted reading workflows, interactive video, grammar drills, or larger language catalogs. Compare whether you need Sotto’s infrastructure control, source-based classes, CEFR progression, speaking practice, and offline operation, or prefer a simpler service with a narrower learning focus. Platform support, language coverage, content handling, review tools, and subscription terms can determine which option fits your routine better.

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