Open source smart card tools and middleware. PKCS#11/MiniDriver/Tokend
X Certificate and Key management
XiPKI: Compact open source PKI (CA, OCSP responder, certificate protocols ACME, CMP, EST, SCEP).
Go implementation of the keyless protocol
A PKCS#11 interface for TPM2 hardware
Managed .NET wrapper for unmanaged PKCS#11 libraries
en-crypt, de-crypt, si-gn, ve-rify - smime, pdf, xades and plain files in pure python
Fortify enables web applications to use smart cards, local certificate stores and do certificate enrollment. This is the desktop application repository.
Bouncy Hsm is a software simulator of HSM and smartcard simulator with HTML UI, REST API and PKCS#11 interface.