Security middleware

5 reusable Security middleware libraries across every platform — libraries, SDKs, and drop-in systems. You should never have to know which ecosystem it lives in.

• Casbin

  by Casbin · Free · Apache-2.0 · middleware

  Authorization library supporting access-control models like ACL, RBAC, and ABAC.

  AuthorizationSecurity   GoJavaNode.jsPythonPHPC#

• CryptoKeyLab

  by COxRIPMIZO · Free · github

  Enterprise-grade Cryptography-as-a-Service (CaaS) & Offline WebAssembly Playground. Built with .NET 9, Clean Architecture, Dapper, and Redis supporting 115+ algorithms.

  SecurityEncryption   C#Web

• DmarcAnalyzerApp

  by dmarc-analyzer-net · Free · github

  Open-source, self-hosted DMARC monitoring for agencies — unlimited domains, automatic report ingestion, no per-domain pricing.

  EmailSerializationSecurity   C#

• synentra

  by synentra · Free · github

  Intent‑aware governance gateway for autonomous AI agents that interact with enterprise APIs.

  AIAPISecurity   C#

• WinNT-add-system-user-injector

  by Leywkeny · Free · github

  A C# tool for creating local Windows user accounts with secure random passwords, automatic group assignment, and improved DirectoryServices handling. Designed for system administrators, automation tasks.

  AutomationSecurity   C#