Dasher

Enter text without a keyboard

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About

Dasher is an information-efficient text-entry interface, driven by natural continuous pointing gestures. Dasher is a competitive text-entry system wherever a full-size keyboard cannot be used - for example, * on a palmtop computer * on a wearable computer * when operating a computer one-handed, by joystick, touchscreen, trackball, or mouse * when operating a computer with zero hands (i.e., by head-mouse or by eyetracker). The eyetracking version of Dasher allows an experienced user to write text as fast as normal handwriting - 25 words per minute; using a mouse, experienced users can write at 39 words per minute. Dasher uses a more advanced prediction algorithm than the T9(tm) system often used in mobile phones, making it sensitive to surrounding context.

Additional information

Project

License: GPL-2.0-or-later (free software)What this license lets you do

Install

Available via: Arch Linux · Debian · Ubuntu · Fedora · openSUSE · Nixpkgs

About this data

Sources: 8 independent sources agree
Catalog data as of: October 12, 2026

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How each source lists it (6)

Source	Name	Version	Built by	License	Description
AUR	dasher	5.0.0.beta+172+g6958c4ba-1	—	GPLv2	Information-efficient text-entry interface, driven by natural continuous pointing gestures
Debian	dasher	5.0.0~beta~repack2-4+b1	Distribution build	—	graphical predictive text input system
Ubuntu	dasher	5.0.0~beta~repack2-6	Distribution build	—	graphical predictive text input system
Fedora	dasher	5.0.0	Distribution build	GPL-2.0-or-later	A predictive text input system
Nixpkgs	dasher	5.0-beta-unstable-2021-04-25	Distribution build	GPL-2.0-only	Information-efficient text-entry interface, driven by natural continuous pointing gestures
openSUSE	dasher	5.0.0+199	Distribution build	GPL-2.0-or-later	Zooming Predictive Text Entry System

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