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Software · Education & science

KLettres

Learn The Alphabet.

  • Completely free
  • Linux
  • Open source

At a glance

All of KLettres is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-2.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

KLettres is an application specially designed to help the user to learn an alphabet in a new language and then to learn to read simple syllables. The user can be a young child aged from two and a half or an adult that wants to learn the basics of a foreign language. There are currently 25 languages available: Arabian, Brazilian Portuguese, Czech, Danish, Dutch, British English, US English, Phonics English, French, German, Hebrew, Hungarian, Italian, Kannada, Low Saxon, Malayalam, Norwegian Bokmål, Punjabi, Luganda, Romanized Hindi, Russian, Spanish, Slovak, Telugu and Ukrainian. KLettres provides a special user interface and themes for younger users.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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