Software · Customisation

CoreKeyboard

A simple virtual keyboard with word suggestions for x11 based systems.

Completely free
Linux
Open source

Overview

CoreKeyboard is an on-screen keyboard, available on Linux.

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

“A simple virtual keyboard with word suggestions for x11 based systems” — Flathub, 10 November 2026

At a glance

All of CoreKeyboard 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
Commercial use allowed

About

Working on touch devices is never easy unless you have a virtual keyboard application. CoreKeyboard is an X11 based virtual keyboard, one of the only two built using Qt (the other being kvkbd). Despite being built using Qt, CoreKeyboard works on all DEs, platforms and all text entry widgets. It also supports word suggestions.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Last technical check: 5 November 2026
Description from Flathub — AppStream (Flathub)

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