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Email security is a key part of internet communication. But what are SPF, DKIM, and DMARC, and how do they work? This guide will explain it all in simple terms to make these concepts clearer.
An open source ticket management & help desk solution. A zendesk/freshdesk alternative
A sleek and minimalist ePaper calendar using ESPHome.
Fast, fun, small ActivityPub server.
Simple and opinionated OpenID Connect server designed for self-hosters
Open-source platform for IT, security, and infrastructure teams. (Linux, macOS, Chrome, Windows, cloud, data center)
Kanidm: A simple, secure and fast identity management platform
A collaborative book on algorithms
Python programs, usually short, of considerable difficulty, to perfect particular skills.
A very fast multi agent messaging kernel in Python
Do It Yourself Open Source Hardware and Software Modular Hacker's Friendly Laptop
Indexed file of common passwords from public database dumps
Cypht: Lightweight Open Source webmail aggregator [PHP, JS]
Python-based continuous integration testing framework; your pull requests are more than welcome!
Open Source Continuous File Synchronization
Source code for video tutorial series
CommonMark spec, with reference implementations in C and JavaScript
🏡 Open source home automation that puts local control and privacy first.
Errbot is a chatbot, a daemon that connects to your favorite chat service and bring your tools and some fun into the conversation.
Tiny replacement for system shells on secure gateway machines.
The Schemaverse is a space-based strategy game implemented entirely within a PostgreSQL database. Compete against other players using raw SQL commands to command your fleet. Or, if your PL/pgSQL-fo…
Helper utilities for managing siteXY.tgz files related to OpenBSD installation