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Fcitx 5 vs McBopomofo: catalog facts
Fcitx 5	McBopomofo
Free Free and open source under the LGPL 2.1 or later.	Free Free and open source under the MIT License.
Linux	macOS, Linux, Web
Supports many languages through numerous input engines Slim core extended with addons	Supports six keyboard layouts User-editable dictionary
Linux and Unix only Setup involves installing separate engines and configuring the environment	Traditional Chinese Bopomofo input only Website and documentation are in Chinese
Downloadable app	Downloadable app, Web application
Open source	Open source
License: LGPL-2.1-or-later	License: MIT
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.