can i fork it?
open sourceAGPL-3.0+Self-host★ 24kactive aug 2026

Firefly III

A meticulous imported ledger with rules and reports in Docker; powerful, private and willing to teach accounting words.

Technical Profile & Specs

verified 2026-08-11

Cost
$0 / forever (Open Source)
License
AGPL-3.0+
Hosting Model
Self-host (your server)
Platforms
webself-hosteddocker to self-host
Installation
Official Docker Compose deployment; a separate Firefly III Data Importer is normally added for bank files
Operational Setup
The first obstacle is operating a real web service, Docker, a database, application secrets, TLS, mail, backups, upgrades, and usually the separate importer plus an API token.
Where Your Data Lives
Transactions, accounts, budgets, rules, and metadata live in the configured MariaDB/MySQL or PostgreSQL database; uploads and generated files live in persistent server volumes.
The Catch / Trade-off
Firefly III is more operationally demanding and less approachable than Lunch Money for quick imports, flexible rules, multi-currency personal use, and API-driven automation.

Replaces 3 paid apps

up to $28.98/mo ($348/yr) in subscriptions

Firefly III FAQ

Common questions

Is Firefly III free and open source?+

Firefly III is an open-source tool licensed under AGPL-3.0+ that runs on self-host. A meticulous imported ledger with rules and reports in Docker; powerful, private and willing to teach accounting words.

What paid software does Firefly III replace?+

Firefly III serves as a free replacement for 3 paid SaaS applications: Lunch Money, Monarch Money, Quicken Simplifi, saving up to $28.98/month ($348/year) in subscription bills.

How do you install and set up Firefly III?+

Installation: Official Docker Compose deployment; a separate Firefly III Data Importer is normally added for bank files. Setup notes: The first obstacle is operating a real web service, Docker, a database, application secrets, TLS, mail, backups, upgrades, and usually the separate importer plus an API token.

What is the catch or trade-off with Firefly III?+

Firefly III is more operationally demanding and less approachable than Lunch Money for quick imports, flexible rules, multi-currency personal use, and API-driven automation.