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McBopomofo vs Fcitx 5: catalog facts
McBopomofo	Fcitx 5
Free Free and open source under the MIT License.	Free Free and open source under the LGPL 2.1 or later.
macOS, Linux, Web	Linux
Supports six keyboard layouts User-editable dictionary	Supports many languages through numerous input engines Slim core extended with addons
Traditional Chinese Bopomofo input only Website and documentation are in Chinese	Linux and Unix only Setup involves installing separate engines and configuring the environment
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MIT	License: LGPL-2.1-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.