Disclaimer: Many of these are still in progress or incomplete.
Ax-Sen-Tate Theorem à la John Tate - Incomplete. A detailed proof of the Ax-Sen-Tate theorem presented by J. Tate in his paper on p-divisible groups.
Translation of J. -P. Wintenberger's paper - Incomplete. Translation of J. -P. Wintenberger`s paper Le Corps Des Normes de certaines extensions infinies de corps locaux; Applications.
Translation of H. Cartan and R. Godement's paper - Translation of the paper Théorie de la dualité et Analyse Harmonique dans les Groupes abéliens localement compacts.
Translation of J.-P. Serre's paper - Translation of the paper Une «formule de mass» pour les extensions totalement ramifiees de degre donne d’un corps local.
An introduction to relative algebraic geometry - An introduction to the theory of schemes relative to a symmetric monoidal category introduced by B. Toen and M. Vaquie.
Solução Álgebra Comutativa em quatro Movimentos - Incomplete. Solution of the problems of the book Álgebra Comutativa em quatro movimentos by H. Borges and E. Tengan.
Módulos sobre PID - A project for the undergraduate course Rings and Fields at UNICAMP.
Introdução à Homologia Algébrica - Incomplete. An introduction to Homological algebra.
Lista de Álgebra Comutativa - Problem list of the commutative algebra course given at UNICAMP (based on Atiyah and Macdonald's book)
算数・数学オリンピック入門 - I Wrote an introductory guide to Math Olympiads for children while working as an instructor at Kumon.
一元体上の幾何学を求めて - Poster presented for High School students at Open Campus of Science Tokyo.
An introduction to Categories and Homological Algebra by Pierre Schapira
A Master Course on Algebraic Stacks by Bertrand Toen
Several Lecture notes from Cambridge Univ. by Dexter Chua
Superfícies de Riemann by Jorge Vitório Pereira
An Introduction to Tate's Thesis by James-Michael Leahy
Best Sets of Lecture Notes and Articles - Math stack exchange