The Classes in XCOM: Enemy Within & XCOM 2: WOTC, Ranked
Steam Workshop::Saboteur Class (WOTC)
Steam Workshop::Playable XCOM 2 Aliens - Viper Class Overhaul
Analyzing XCOM 2 Classes : r/XCOM2
Xcom TheGamer
XCOM 2 Tutorial: Using the Starting Soldiers mod.
The most unnecessarily lengthy XCOM 2 WOTC class tierlist and discussion
Xcom TheGamer
Othercide - Missions Guide