JsrsasignThe 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES JSON Web Signature/Token in pure JavaScript.
ForgeA native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps
asn1scc.IDEQt Creator plugin for asn1scc - ASN.1/ACN compiler for embedded systems
pem-utilsManaged .NET (C#) utility library for working with PEM files with DER/ASN.1 encoding
der-parserBER/DER parser written in pure Rust. Fast, zero-copy, safe.
asinineEmbeddable ASN.1 (DER) and X.509v3 decoder
Asn1DerParser.NETAbstract Syntax Notation One (ASN.1) binary parser to support Distinguished Encoding Rules (DER) in .NET
geonetworkingETSI ITS G5 GeoNetworking stack, in Java: CAM-DENM / ASN.1 PER / BTP / GeoNetworking
asn1-tsASN.1 TypeScript library, including codecs for Basic Encoding Rules (BER) and Distinguished Encoding Rules (DER).
rasnA Safe #[no_std] ASN.1 Codec Framework