pmacct is a small set of multi-purpose passive network monitoring tools [NetFlow IPFIX sFlow libpcap BGP BMP RPKI IGP Streaming Telemetry].

HOMER - 100% Open-Source SIP, VoIP, RTC Packet Capture & Monitoring

Qucs-S is a circuit simulation program with Qt-based GUI

Problem sets for the programming blitz at KITE

Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -

The Symfony PHP framework

My vim, zsh, tmux, and macOS dotfiles

A minimal opinionated theme for Hugo

HP HSTNS-PL11/PL30/PL42 Server PSU Modified for Vehicle Programming and Charging

Open and inexpensive DIY IP-KVM based on Raspberry Pi

Cracking guides

Information about Owon XDM2041 internals

KiCAD to Boardview exporter reads KiCAD PCB layout files and writes ASCII Boardview files

Xbox 360 Emulator Research Project (AVX check removed for macOS Sequoia)

Various SIP resources.

Guide on how to design keyboard PCBs with KiCad

Curated list of design and UI resources from stock photos, web templates, CSS frameworks, UI libraries, tools and much more

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

A complete computer science study plan to become a software engineer.

A simple dashboard for the dhcpd.leases file of the OpenBSD dhcpd server.

A collection of open-sourced freeswitch modules that I use in various drachtio applications

Low cost USB3.2Gen1 HDMI-USB Video Acquisition With Loop Out (Loop Out HDMI Capture Card) base on MS2130 & MS9332

List of Rust books

Lua DNS client, load balancer, and utility library

The Sipwise media proxy for Kamailio

Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto.

A collection of scripts to ease bootstrapping of a new OpenBSD server. Includes nginx with SSL, mail with DKIM, WireGuard and IKEv2 VPN setup.

Open-source KVM software

Graphpath generates an ASCII network diagram from the route table of a Unix/Linux