Tech riderRev. 20 Sept 2026
HOL Light
- 1Runs onWeb, Windows, Mac, Linux
- 2CostsNot stated by the maker
- 3Verification methoddeductive
- 4Supported formalismstheorem-proving
- 5Input languagesOCaml; higher-order logic
- 6Deploymentself-hosted
5 lines stated Written from the maker's own pages: hol-light.github.io

Overview
HOL Light is ranked #13 of 33 in formal verification tools on Specifiction. It runs on Web, Windows, macOS, Linux.
Compared on formal verification tools
- Free plan
- Yeshol-light.github.io
- Verification method
- deductivehol-light.github.io
- Supported formalisms
- theorem-provinghol-light.github.io
- Input languages
- OCaml; higher-order logichol-light.github.io
- Deployment
- self-hostedhol-light.github.io
Best HOL Light alternatives
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Where it ranks on Specifiction
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