hap.py

The premium Open Source alternative to RTG Tools vcfeval

🎯 Best for:Validating the accuracy of genomic variant calling pipelines against gold standards.

What is hap.py?

Replaces basic VCF comparison scripts with a standardized haplotype-aware benchmarking suite. Uses sophisticated graph-based alignment to resolve complex variant representations and provide precision-recall metrics.

Tech Stack
C++Biology & Biotechnology

Why hap.py?

  • Handles complex indels correctly
  • Industry standard for benchmarking
  • Extensive stratification options

Limitations

  • Difficult to install (Docker recommended)
  • High memory usage for large VCFs
  • Requires specific reference formatting
2/26/2026
Last Update
133
Forks
120
Issues
Other
License
Financial Leak Detected

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Competitor Cost
-$1,440
/ year (est. based on RTG Tools vcfeval)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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