rfc822-json
Parses an RFC-822 message stream (standard email) into JSON and returns a readable stream.
forwarded-parse
Parse the Forwarded header (RFC 7239) into an array of objects
rrule
JavaScript library for working with recurrence rules for calendar dates.
@peculiar/asn1-x509
ASN.1 schema of `Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile` (RFC5280)