Kanakku vs Firefly III
Firefly III is a beloved open-source personal finance manager with superb budgeting and bank importers. Kanakku is a self-hosted business platform — invoicing, double-entry accounting and tax. They are different tools, and this page is honest about that.
These solve different problems. Firefly III (AGPL-3.0) is built for personal money management: accounts, budgets, categories and a powerful rules engine, with no invoicing, customers or sales tax. Kanakku is built for businesses: raise invoices and quotes, manage AR/AP, collect payments, handle GST/VAT across six country packs, and produce double-entry statements — all self-hosted, source-included and rebrandable. If you run a business rather than a household, the comparison favours Kanakku; if you manage personal finances, Firefly III is the right tool.
Feature comparison
| Capability | Firefly III | |
|---|---|---|
| Primary use case | Business billing + accounting | Personal finance manager |
| Self-hosted / own database | ✓ | ✓ |
| Source available | Included (commercial) | AGPL-3.0 |
| White-label & resell rights | Included (Extended) | No (AGPL copyleft) |
| Invoicing, quotes & credit notes | ✓ | — |
| Customers, suppliers & AR/AP | ✓ | — |
| Double-entry business ledger | ✓ | Personal ledger only |
| GST / VAT / sales tax | Six country packs | — |
| Payment collection | Razorpay / Stripe BYOK | — |
| Budgeting & rules engine | Budgets & cost centers | Best-in-class (personal) |
| Bank import | Manual CSV import | CSV + Nordigen / Spectre importers |
| Tech stack | React / TypeScript / Node | PHP / Laravel |
Comparison is provided in good faith for information. Firefly III and its logo are trademarks of their respective owner.
Where Kanakku pulls ahead
- Kanakku is built for businesses — invoicing, quotes, customers, suppliers and AR/AP — none of which Firefly III sets out to do.
- A double-entry business ledger with P&L, balance sheet and trial balance, versus Firefly III's personal-finance ledger.
- GST / VAT / sales tax across six country packs (India, EU, UK, US, Australia, New Zealand) — outside Firefly III's scope.
- Collect payments with bring-your-own-key Razorpay / Stripe and send invoices over WhatsApp.
- White-label and resale rights with the Extended license; Firefly III's AGPL-3.0 forbids a closed commercial rebrand.
- Commercial license with 6 months of support and lifetime free updates.
Where Firefly III is stronger
Straight answer, so you can choose well.
- Best-in-class personal budgeting, envelope/category tracking and a genuinely powerful rules engine.
- Excellent automated bank importers (Nordigen / GoCardless, Spectre, CSV) for personal accounts.
- Free, mature and AGPL open-source, with a strong privacy-first community.
- Purpose-built for personal money management — a job Kanakku does not target at all.
Frequently asked questions
Is Firefly III a business accounting tool like Kanakku?
Can Firefly III raise invoices or handle GST/VAT?
When is Firefly III the better choice?
Can I rebrand and resell Kanakku, unlike Firefly III?
Own your accounting stack — start today.
Self-hosted, source-included, white-label ready. No per-seat SaaS lock-in.