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Kresus vs Firefly III: catalog facts
Kresus	Firefly III
Free Free and libre software with no paid tier.	Free Free and open source under the AGPL 3.0. You provide the hosting.
Web, Self-hosted	Windows, macOS, Linux, Web, Self-hosted
Bank data and credentials stay on your own server Automatic daily transaction import	Budgets, categories, tags, bills and recurring transactions in one place Rules that categorise transactions as they arrive
Requires running your own server Website and documentation are mainly in French	A PHP application with a database that you have to run and update Bank imports need a separate companion tool
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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