Examples of powerful LaTeX packages and techniques in use — a great way to learn LaTeX by example. Search or browse below.

Multiple Bibliographies with multibib
Example creating multiple bibliography/reference lists in the same document, using the multibib package.
LianTze Lim

Modulador QAM
Block diagram of a QAM modulator used in digital communication technologies.
Diagrama en bloques de un modulador QAM usado en tecnologías digitales de comunicaciones.
Ramón

Sample homework submission with title page and logo
A sample homework/assignment/report/paper, with a title page and institutional logo.
Palak Kapoor

Mathematics Homework Sheet in Vietnamese
This is a mathematics homework questions sheet in Vietnamese.
-- De Thi Toan 2015
hailuagiao

Japanese XeLaTeX
Japanese XeLaTeX
osskil

Figures TikZ du cours "Potentiel et énergie électriques"
Ce document regroupe les codes TIKZ des figures utilisées pour le cours "Potentiel et énergie électriques" situé à la page http://femto-physique.fr/electromagnetisme/potentiel_electrostatique.php
J Roussel

A longtable + tabularx example
The xltabular combines the functionalities of longtable and tabularx.
LianTze Lim

How to Write Multilingual Text with Different Scripts in LaTeX on Overleaf using Polyglossia
A multilingual example document with Arabic, Sanskrit, Hindi, Chinese, Japanese, Korean, Greek and Thai, using XeLaTeX + fontspec + polyglossia.
LianTze Lim

Dragon Curve
Four dragon curves tessellating the plane using tikz.
Order of recursion limited by TeX memory/compile timeout.
Gian