Top pick · highest health
Invoice Ninja
Powerful tool to invoice clients online.
DockerPHPK8S
Money, Budgeting & Management
Open source alternatives to FreshBooks
We track 4 open-source FreshBooks alternatives, of which 4 currently score 70 or above on Repoly's GitHub health scale and 2 ship a Docker image. Invoice Ninja leads on health at 96/100 with 472 commits in the last 90 days; across all 4 projects you are choosing between AGPL-3.0, BUSL-1.1, Elastic-2.0 and 1 other licences.
updated Oct 2026 4 alternatives best health 96 ★ 26k combined 1,688 commits / 90d 2 with Docker
Top picks to replace FreshBooks
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Healthiest
Health 96/100: 472 commits in 90 days, latest release v5.13.51, Docker image available.
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Most active
551 commits in the last 90 days, more than any other option here.
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Permissive licence
MIT, so you can fork or embed it without publishing changes; health 82/100.
Showing 4 of 4 tools
All 4 FreshBooks alternatives, ranked by health
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Bigcapital
Financial accounting and inventory management software for small to medium businesses.
Docker -
Akaunting
Accounting software designed for small businesses and freelancers.
PHP -
SolidInvoice
Open source invoicing and quote application.
PHP
FreshBooks alternatives compared
Invoice Ninja edges Bigcapital 96 to 94, and most of the difference is stars: 10k stars against 4k stars. Bigcapital is the busier codebase, though, with 551 commits in 90 days to 472.
The most recent release is Invoice Ninja v5.13.51, published today. None of the measured options scores under 40. By stack, PHP (3) is the most common. SolidInvoice is permissively licensed; Bigcapital is copyleft. Invoice Ninja and Akaunting are source-available rather than open source, which limits commercial reuse.
3 of these 4 also appear among the QuickBooks alternatives; SolidInvoice is specific to FreshBooks.
| Tool | Health | Stars | Licence | Last commit | Docker |
|---|---|---|---|---|---|
| Invoice Ninja Steady at 96 since 11 Sep | 96 | 10k | Elastic-2.0 | today | Yes |
| Bigcapital Steady at 94 since 11 Sep | 94 | 4k | AGPL-3.0 | 2 days ago | Yes |
| Akaunting Steady at 86 since 11 Sep | 86 | 10k | BUSL-1.1 | yesterday | No |
| SolidInvoice Steady at 82 since 11 Sep | 82 | 977 | MIT | today | No |
FreshBooks alternatives: common questions
What is the most maintained open source alternative to FreshBooks?
Invoice Ninja scores highest at 96/100, with 472 commits in the last 90 days, 10k stars on GitHub and its latest release (v5.13.51) published today. Bigcapital has the most raw commit activity at 551 commits in 90 days.
Which FreshBooks alternatives use a permissive licence?
1 of 4 are permissively licensed (MIT, Apache, BSD or similar): SolidInvoice (MIT). 1 use copyleft licences such as GPL or AGPL, which require you to publish changes if you distribute a modified version.
Which FreshBooks alternatives run in Docker?
2 of 4 publish a Docker image or Compose file: Invoice Ninja, Bigcapital. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.
Is Invoice Ninja or Bigcapital the better FreshBooks alternative?
On measured health Invoice Ninja leads, 96 to 94. Invoice Ninja has 472 commits in 90 days, 10k stars and v5.13.51 from today; Bigcapital has 551 commits in 90 days, 4k stars and v0.25.45 from 7 days ago. Invoice Ninja is ahead or level on every term Repoly measures.
Are the FreshBooks alternatives still maintained?
4 of the 4 measured options score 70 or above. Every measured option had commits in the last 90 days. None scores under 40.
What languages are the FreshBooks alternatives written in?
PHP: Invoice Ninja, Akaunting and SolidInvoice. The stack matters if you plan to extend or patch the tool yourself.
