# Kill Bill vs Wren AI OSS

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Kill Bill | Wren AI OSS |
|---|---|---|
| Score | 68/100 | 73/100 ✓ |
| Rank in category | #3 of 13 in Billing | #4 of 15 in Business Intelligence |
| GitHub stars | 5 827 | 18 006 ✓ |
| Stars, last 30 days | +66 | +261 ✓ |
| Stable releases, 12 months | 7 | 56 ✓ |
| Latest release | killbill-0.24.22 · 28 Sept 2026 | wren-v0.17.0 · 27 Oct 2026 ✓ |
| Setup | Moderate | Easy ✓ |
| Official Docker image | Yes ✓ | No |
| License | Apache-2.0 | Other |
| Main language | Java | Python |

## Which one should you pick?

Wren AI OSS scores 73/100 against 68/100 for Kill Bill, so it is the safer default.

Wren AI OSS ships more often: 56 stable releases in the past year, against 7 for Kill Bill.

If you want the quickest setup, Wren AI OSS is easier to run; Kill Bill needs more configuration.

Wren AI OSS is growing faster right now (+261 stars in 30 days).

## Details

- [Kill Bill](https://selfhost.directory/project/kill-bill) (markdown: https://selfhost.directory/project/kill-bill.md)
- [Wren AI OSS](https://selfhost.directory/project/wren-ai-oss) (markdown: https://selfhost.directory/project/wren-ai-oss.md)

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Source: https://selfhost.directory/compare/kill-bill-vs-wren-ai-oss