Examples of powerful LaTeX packages and techniques in use — a great way to learn LaTeX by example. Search or browse below.
Perpetual Calendar
A cut-out template for a circular calendar that can be used indefinitely.
Senan Sekhon
MWE: Diluição da rede
Exemplo de representação da diluição da rede quadrada com o pacote pstricks.
Guilherme Wiener
unit-Circle
My spin on the unit circle.
Michael McCabe
Statistics Formula Sheet
Formula sheet for a statistics course
Elizabeth McDonald
Flag of China
Flag of the People's Republic of China, according to official government specifications
Senan Sekhon
Flag of the United Kingdom
Flag of the United Kingdom of Great Britain and Northern Ireland, according to official government specifications
Senan Sekhon
NTU Formosan Glossing
This is a template for language glossing
Li-xing Yang
NSF biosketch
NSF-formatted biosketch, according to 2020 proposal preparation guide: https://www.nsf.gov/pubs/policydocs/pappg20_1/index.jsp
Jennifer Hoffman
Example Venn Diagram with isolated areas filled
This example helps to show how the isolated areas of a Venn diagram can be filled / coloured.
It was created as part of this answer on TeX StackExchange.
Other options for creating Venn diagrams with multiple areas shaded can be found in the Overleaf gallery via the Venn Diagrams tag.
John Hammersley