Mallar tagged Academic Journal
Here we provide a selection of academic journal templates for articles and papers which automatically format your manuscripts in the style required for submission to that journal. Thanks to the partnerships we're building within the publishing community, you can also now submit your paper directly to a number of journals and other editorial and review services via the publish menu in the editor.
Recent

Computación y Sistemas
This is the LaTeX style for journal paper submissions to Computación y Sistemas.
Ulises Cortés & Grigori Sidorov

NCC template
\(LaTeX\) template for Novel Computation and Control journal of the Politehnica University Press.
Contains the starting main.tex file filled with instructions and dummy text.
Alexandru Topirceanu

Astro2020 Decadal Science White Paper
This is an exact copy of the official NRC Astro2020 white paper LaTeX template. Re-published for community use on Overleaf by Jason Tumlinson (STScI / JHU).
Astro2020 Committee (via JT)

Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales (ACCEFYN)
Plantilla de la Rev. ACCEFYN para editores en Latex.
La plantilla contiene todos los estilos para la diagramación de su artículo científico. Por favor no editar la hoja de estilos a menos que sea estrictamente necesario.
Ing Javier Andrés Almeida M.Sc.

LaTeX Template for the Transactions of the American Mathematical Society (TRAN)Officiell
This is the template for the preparation of manuscripts for submission to the Transactions of the AMS; it is pre-loaded with the necessary files, and can be opened for editing in Overleaf simply by clicking the button above.
Once your manuscript is ready, the 'Submit to the Transactions of the AMS' button in the top bar of the Overleaf editor provides a quick route to the official Transactions of the AMS submission portal with the files you need for submission.
American Mathematical Society (AMS)

Template for Geophysical Journal International (GJIRAS)
Geophysical Journal International, published by Oxford University Press, is one of the world's leading primary research journals in geophysics. Geophysical Journal International publishes top quality research papers, letters and book reviews on all aspects of theoretical, computational, applied and observational geophysics. For more information about the journal, see http://gji.oxfordjournals.org/.
Oxford University Press (uploaded by Ryan Looney)

Environmetrics template
A LaTeX template for the journal Environmetrics
Andrew Parnell

Template for Journal of Machine Learning Research (JMLR) with jmlr2e.sty
JMLR format according to http://www.jmlr.org/format/format.html
(retrieved nov. 2016)
Maxim Berman

Template for Oxford University Press (OUP) Journals (2009)
This sample is a guideline for preparing technical papers using LaTeX for manuscript submission for all Journals of OUP*. This sample article uses a class file named ouparticle.cls that authors should use for their manuscript preparation. It is similar in use to the article class file of LaTeX, but has some extra fields in the preamble and some extended commands for other parts of the article.
*Note: this template is from 2009, and we recommend checking the latest author guidelines for your intended target OUP journal before starting to prepare your manuscript.
Oxford University Press (uploaded by LianTze Lim)