digitalbazaar / forge

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

LibPDF-js / core

A modern PDF library for TypeScript. Parse, modify, and generate PDFs with a clean, intuitive API.

PeculiarVentures / PKI.js

PKI.js is a pure JavaScript library implementing the formats that are used in PKI applications (signing, encryption, certificate requests, OCSP and TSP requests/responses). It is built on WebCrypto (Web Cryptography API) and requires no plug-ins.

square / certigo

A utility to examine and validate certificates in a variety of formats

vbuch / node-signpdf

Simple signing of PDFs in node.