cidaas SDK for JS Alternatives

js-xss

Sanitize untrusted HTML (to prevent XSS) with a configuration specified by a Whitelist

Themis

Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.

DOMPurify

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

xss-filters

Retire.js

scanner detecting the use of JavaScript libraries with known vulnerabilities. Can also generate an SBOM of the libraries it finds.

sanitize-html

Clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis. Built on htmlparser2 for speed and tolerance

SuperTokens Community

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

openzeppelin-solidity

Discontinued OpenZeppelin Contracts is a library for secure smart contract development. [Moved to: https://github.com/OpenZeppelin/openzeppelin-contracts]

data-guardian

Tiny, zero-dependencies, package which tries to mask sensitive data in arbitrary collections (map, set), errors, objects and strings.