There are 2 repositories under hol topic.
Model finder for higher-order logic
An implementation of Hoare and He's Unifying Theories of Programming in Isabelle
The opentheory tool processes higher order logic theory packages
Hands-on Labs (HOLs) and presentations for Microservices, Serverless and Containers readiness.
[wip] A LCF-style kernel of trust intended for certified ATP and proof checking for FOL/HOL.
Coq version of (part of) the HOL-IMP theories accompanying the book "Concrete Semantics with Isabelle/HOL". Formalized using a now outdated version of CoqHammer.
Local mirror of Featherweight OCL entry of the Archive of Formal Proofs (AFP).
ISVs Innovation Day decks and Hands-on-Labs instructions
Isabelle's Pure logic, directly extended to FOL/HOL
Equivalence of natural deduction and sequent calculus in HOL4
Scripts for deploying HOL Light with Docker (and optional checkpointing)