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Ocular vs Firefly III: catalog facts
Ocular	Firefly III
Free Free and open source under the MIT licence.	Free Free and open source under the AGPL 3.0. You provide the hosting.
Web, Self-hosted	Windows, macOS, Linux, Web, Self-hosted
Single container that is quick to deploy Multi-year budgets with carry-over	Budgets, categories, tags, bills and recurring transactions in one place Rules that categorise transactions as they arrive
Budget planning rather than transaction-level bank tracking Export is limited to JSON	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: MIT	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 October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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