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CT compliance linter

Postfix Sender Rewriting Scheme daemon

Open source ARC implementation

Lightweight MTA-STS + DANE/TLSA resolver and TLS policy server for Postfix, prioritizing DANE.

An implementation of the Static CT API based on Tessera.

A scalable file analysis and data generation platform that allows users to easily orchestrate arbitrary docker/vm/shell tools at scale.

ShowNet Icons

Automated Tailscale updater for GL.iNet routers: periodically checks for new releases, downloads the correct build, and installs/updates Tailscale reliably via script (for OpenWrt/GL.iNet firmware)

Tiled transparency logs libraries and applications

opkssh (OpenPubkey SSH)

Limited DNS server with RESTful HTTP API to handle ACME DNS challenges easily and securely.

A collection of files with indicators supporting social media posts from Palo Alto Network's Unit 42 team to disseminate timely threat intelligence.

Python tool for converting files and office documents to Markdown.

Private Cloud Compute (PCC)

DNS library in Go

CVE cache of the official CVE List in CVE JSON 5 format

A FUSE filesystem for your Google calendar

PKI Meta-Linter

REI3 - Free and open low code

Jazigo is a tool written in Go for retrieving configuration for multiple devices, similar to rancid, fetchconfig, oxidized, Sweet.

🔐 Authentication, Authorization, and Accounting (AAA) App and Plugin for Caddy v2. 💎 Implements Form-Based, Basic, Local, LDAP, OpenID Connect, OAuth 2.0 (Github, Google, Facebook, Okta, etc.), SAM…

The authentication glue you need.

A Certificate Transparency log implementation and monitoring API designed for scalability, ease of operation, and reduced cost.

Certificate Revocation check support for caddy

mailing lists - the unix way

FIDO2-certified passkey server and SDKs

Digging Deeper....

Automated YARA Rule Standardization and Quality Assurance Tool