Modern Buffer API polyfill without footguns

Secure, audited & 0-dep implementation of base64, bech32, base58, base32 & base16

Hardened JavaScript for Fearless Cooperation

ASN.1 schema for PKCS #8 private key information structures defined in RFC 5208.

Prisma Language Server

Koas security checks if a request matches the security requirement of an operation. For example, given the following partial OpenAPI document:

Important security headers for Fastify

A library to prevent SSRF vulnerabilities in Node.js applications

React component to render markdown

Elliptic Curve Integrated Encryption Scheme for secp256k1/curve25519

Small, simple, and secure no-dependency library to encrypt and decrypt strings using PBKDF2 for key derivation and AES (defaulted to 256-bit / SHA512)

MetaMask fork of @scure/bip39: a secure, audited & minimal implementation of BIP39 mnemonic phrases

A TypeScript string enum for compile-time safety when working with event.key

Audit the filesize of items specified in package.json.

Searchable encryption for Node.js projects

Middleware to add Strict-Transport-Security header.

RAD Security MCP Server for AI-powered security insights

React Doctor rules for oxlint.

Helps secure applications by setting HTTP response headers. Inspired by [`helmet`](https://github.com/helmetjs/helmet) and [`http-helmet`](https://github.com/mcansh/http-helmet).

Synchronize AI coding–agent knowledge files (rules, templates, guidelines) across your project.