Crater vs Firefly III
| Tagline | Open-source invoicing app for freelancers and small businesses with tax support | Self-hosted personal finance manager with budgets, rules, and bank import |
| Category | Finance & Budgeting | Finance & Budgeting |
| Replaces | QuickBooks, Mint | Mint, YNAB, QuickBooks |
| GitHub stars | 8.3k | 24k |
| Language | PHP | PHP |
| License | AGPL-3.0 | AGPL-3.0 |
| Self-host difficulty | 2/5 Easy | 3/5 Moderate |
| Deploy options | Docker Manual | Docker Docker Compose Manual |
| Managed hosting | ||
| Last updated | 2 years ago | 4 days ago |
| View repo | View repo |
Where each falls short
The honest trade-offs — what you give up with each, versus the proprietary tools they replace.
Crater
- No double-entry accounting; not suitable for complex bookkeeping
- Bank reconciliation and bank import features are basic
- Project development pace has slowed in recent releases
Firefly III
- Bank import requires a separate importer container and CSV/OFX manipulation; no one-click bank sync
- UI can feel complex and verbose for casual users compared to Mint's simplicity
- No built-in mobile app; third-party apps exist but vary in quality
- Investment and brokerage account tracking is limited compared to dedicated wealth tools
Bottom line
Choose Crater if you want the lower-effort setup; choose Firefly III for the larger community and ecosystem. Firefly III has seen more recent development. Open each guide below for deploy steps and the full feature gap.
Crater
Open-source invoicing app for freelancers and small businesses with tax support
Firefly III
Self-hosted personal finance manager with budgets, rules, and bank import