Graphical WPF-based Abstract Syntax Notation One (ASN.1) DER editor

Kotlin Multiplatform Crypto/PKI/ASN.1 Library with Attestation and Hardware-Backed Crypto Support on Mobile

A C++11 ASN.1 BER Encoding and Decoding Library

🧪 PotentCodables - A potent set of implementations and extensions to the Swift Codable system

Managed .NET (C#) utility library for working with PEM files with DER/ASN.1 encoding

ASN.1 data types and UPER encoder/decoder

ASN.1 schema parsing and code generation

Qt Creator plugin for asn1scc - ASN.1/ACN compiler for embedded systems

Python based editor for ASN.1 encoded data

Assistant for 3GPP telecommunication development

ASN.1 implementation of the PUS-C ECSS standard using ACN encoding.

C# library to ease decoding/encoding/validation of ePassport data (certificates, face, fingerprint, etc..).

Dump the structure of an ASN.1 file.

Solidity functions for traversing an ASN1-encoded data structure

Backend app of https://amenitypj.in/asn1Play https://impratikjaiswal.github.io/asn1Play

Minimalistic Swift parser for ASN.1 data. Currently supports DER and therefore also BER binary format

3GPP Utilities

This tool parses ASN.1 data and displays it in a tree view. It is developed in C# and runs exclusively on Windows.

Rust ASN.1 serialization/deserialization library (experimental)

ASN.1-Toolkit for Java