Tutorial by Gunthard Kraus
contains an introduction as well as many examples and projects

A Review of QucsStudio
on the internet platform Electroagenda containing many infos and describing many features.

Blog by Jose Manuel Campelo
contains tutorials for designing RF circuits (amplifier & oscillator for L band) with QucsStudio

QucsStudio Courses by Engeer in Japanese
available at Udemy and as Kindle (Tutorial 1 and Tutorial 2)

QucsStudio Transmission Line Calculator
The company muRata uses parts of QucsTransline illegally, i.e. without mentioning the origin. (e.g. here)

EM Simulations with QucsStudio
in journal 2-2020 of UKW-Berichte, written by Michael Margraf (DD6UM)

Amateurfunk 2020
with an artikel about QucsStudio and the program on DVD

S-Parameter with Complex-Valued Port Impedances
in journal 1-2019 of UKW-Berichte, written by Michael Margraf (DD6UM) and Daniel Dieterle

Circuit Optimization with a Computer
in journal 3-2019 of CQ DL, written by Michael Margraf (DD6UM)

Periodic-Stationary Simulation of Oscillators
in journal 2-2018 of UKW-Berichte, written by Michael Margraf (DD6UM)

Harmonic Balance Simulation with QucsStudio
in journal 3-2016 of UKW-Berichte, written by Gunthard Kraus (DG8GB)

Circuit Simulation with QucsStudio
lecture by Gunthard Kraus (DG8GB) at the amateur radio convention in Munich on 12th of March 2016

Article about QucsStudio
in journal 2-2015 of UKW-Berichte, written by Gunthard Kraus (DG8GB)

RF simulation with QucsStudio, part 1…3
article serie in the magazine FUNKAMATEUR, edition 7/2014…9/2014

Amateurfunk 2014 – Software für den Funkamateur
QucsStudio on DVD

Die Schaltungssimulation QucsStudio von DD6UM
by Hubert Fink (DG7MGY), at 6th Gießener Amateurfunktreffen, February 2013

SPICE to QucsStudio via Qucs
by Brinson at MOSK-AK in March 2012

Verilog-a compact semiconductor device modelling and circuit macromodelling with the QucsStudio-ADMS “turn-key” modelling system
by Brinson and Margraf at MIXDES 2012