#signature

Official Node.js, Python, and Go SDKs plus the primitive CLI for Primitive — email infrastructure for AI agents. Generated from the OpenAPI spec.

The Standard Webhooks specification

Picky portable PKI implementation and microservice

Public Key Infrastructure

sigmaker is a zero-dependency IDA Pro 9.0+ cross-platform signature maker plugin with optional SIMD (e.g. AVX2/NEON/SSE2) speedups that works on MacOS/Linux/Windows. It allows configurable wildcard operand patterns, nibbles, and signature generation just by right clicking.

Official SignNow SDK for PHP. Sign documents, request eSignatures, and build role-based multi-signer workflows via REST API.

Feature rich iOS/tvOS sideloading application written in Rust.

A Laravel package to sign documents and optionally generate certified PDFs associated with Eloquent models.

A Filament package to collect signatures.

Ruby implementation of PASETO tokens

Monorepo for the Krova Cloud JS/TS packages — SDK, CLI, MCP, webhook verifier, n8n node.

Library for HTTP request signing (JavaScript implementation)

A PHP library for XML Security

Dynamically create python functions with a proper signature.

Majik Signature is a hybrid post-quantum content signing and verification library for the Majikah ecosystem. Built on top of Majik Key, it provides tamper-proof, forgery-resistant digital signatures for any content format — using a dual-algorithm architecture that combines classical Ed25519 with post-quantum ML-DSA-87 (FIPS-204).