Cross-platform PDF digital signing tool. JavaFX desktop UI with drag-to-place visible signatures, PKCS#11/PKCS#12 keystores, RFC 3161 timestamping, OCSP/CRL long-term validation, and a scriptable CLI.

A TimeStamp Responder written in C#, which supports both Authenticode and RFC3161

Time-Stamp Protocol (TSP) implementation for Go as specified in RFC3161

Trusted Timestamping for git repositories using RFC3161 and RFC5816 token

A simple client library for cryptographic timestamping service implementing the protocol from RFC3161. Based on python-rfc3161 with some additional fixes.

Java implementation of a RFC3161 Time Stamp Authority

Golang implementation of the Time-Stamp Protocol (TSP) client as specified in RFC3161

A Python IETF Time-Stamp Protocol (TSP) (RFC 3161) client

An Opinionated Python RFC3161 Client

Trusted Timestamping Framework for Scientific Research

Cryptographic audit receipts for AI coding agents. Ed25519 + Merkle + RFC 3161 TSA. Supports Claude Code & Cursor.

Automatically create trusted timestamps for your commits

Check Authenticode signature on Windows with Go

RFC3161 Timestamp Authority Client

Implementation of RFC3161 Timestamping using C#/.NET

Türkiye için XAdES + CAdES + PAdES + ASiC elektronik imza kütüphanesi — clean-room; ETSI EN 319 132 / TS 101 733 / EN 319 162 / EN 319 142 uyumlu (Node 20+, TypeScript)

Command line tool for signing and timestamping PDF Files using certificates from Windows Certififcate Store, PKCS#12 files and PKCS#11 dongles

Sample RFC 3161 (HTTP) TSA Server built using .NET Web API

Privacy Aware Block Chain logging RFC3161 pki timestamp service TSP as Java HTTPServlet

RFC3161 compliant http client to request timestamp to a trusted timestamp autiority, support JAVA, PHP, GOLANG development language.