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Mobile app · Utilities & files

LeanType

Private, customizable open-source keyboard with smart productivity tools.

  • Completely free
  • Android
  • Open source
  • No account

Overview

LeanType is an on-screen keyboard, available on Android.

Features described in its F-Droid listing and in its GitHub repository: offline use, themes and dark mode, data import and export, voice input and commands, text recognition (OCR), self-hosting on your own server.

Services and protocols mentioned: Bluetooth.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Private, customizable open-source keyboard with smart productivity tools” — F-Droid, 10 November 2026
  • “🛡️ Privacy & Offline First:” — F-Droid, 10 November 2026
  • “Material You & Themes: Dynamic system color matching, dark/light themes, and custom background wallpaper with blur.” — F-Droid, 10 November 2026
  • “Modular Backup & Restore: Selectively export and import your layouts, themes, dictionaries, and clipboard history.” — F-Droid, 10 November 2026
  • “Voice Typing: Accurate on-device speech-to-text powered by Whisper models.” — F-Droid, 10 November 2026
  • “Camera & Screenshot OCR: Extract text from real-world documents or screenshots with an in-keyboard viewfinder.” — F-Droid, 10 November 2026
  • “Multi-Provider Cloud & Self-Hosted AI: Integrated proofreading, grammar correction, and text rewriting powered by Google Gemini, Groq (Llama 3.3, Mixtral, DeepSeek), OpenAI, or any Self-Hosted local LLM server…” — GitHub, 10 November 2026

At a glance

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

Its licence (GPL-3.0) 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
  • No account needed
  • No advertising
  • Commercial use allowed

Sources and checks

  • Facts collected from F-Droid (credit card, source code, licence, free status, platforms, ads, commercial use, version) —
  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 6 November 2026
  • Description from F-Droid — F-Droid (citation courte)

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