hammox
The premium Open Source alternative to Pact
🎯 Best for:Elixir developers needing strict interface enforcement between modules and external services.
What is hammox?
Replaces manual mock verification with automated type-checked contract testing for Elixir functions. It ensures that mocks strictly adhere to defined behaviors using Elixir typespecs and behaviors.
Tech Stack
ElixirTesting & QA
Why hammox?
- • Automated mock verification
- • Leverages native Elixir behaviors
- • Reduces boilerplate in unit tests
Limitations
- • Limited to Elixir ecosystem
- • Requires strict typespec maintenance
- • Learning curve for complex behaviors
2/17/2026
Last Update
30
Forks
17
Issues
Apache-2.0
License
Financial Leak Detected
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Competitor Cost
-$1,440
/ year (est. based on Pact)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%