Bigcapital
58 · CautionDouble-entry accounting with financial reports, inventory and invoicing.
Open source alternatives to Zoho Invoice
1 open source project replaces Zoho Invoice, ranked by how safe each is to depend on.
Source-available and unverified licenses
The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.
Akaunting
87 · HealthyAccounting app for small businesses with invoicing, expenses and an app store.
Invoice Ninja
74 · StableInvoicing, quotes, payments and time tracking for freelancers and small businesses.
Akaunting
87 · HealthyAt a glance
Health and license are separate verdicts: a project can be well maintained and still not be open source.
| Project | Health | License | Stars |
|---|---|---|---|
| Bigcapital | 58 · Caution | Free, share hosted changesAGPL-3.0 | 3.9k |
| Akaunting | 87 · Healthy | Free up to a limitBusiness Source License 1.1Relicensed 2023 | 10k |
| Invoice Ninja | 74 · Stable | Free, no resellingElastic License 2.0 | 10k |
More in Accounting & invoicing
Zoho Invoice is a paid accounting & invoicing product. See all open source accounting & invoicing tools, ranked the same way.
Scores last refreshed from GitHub on 9 October 2026. How we score.