LaTeX
Resources
https://www.latex-tutorial.com/tutorials/first-document/
https://www.latex-project.org/help/documentation/
Templates
https://www.overleaf.com/latex/templates
https://www.latextemplates.com/
texmaker
https://www.xm1math.net/texmaker/
Overleaf
They have an online editor in addition to plenty of documentation about how to use some LaTeX modules.