A pictorial introduction to data modes: https://youtu.be/mpx8Bgkn3K4
Operating guide: https://www.g4ifb.com/FT8_Hinson_tips_for_HF_DXers.pdf
Software:
WSJT-X: https://physics.princeton.edu/pulsar/k1jt/wsjtx.html
JTDX: https://stationproject.blog/2019/03/01/jtdx-feature-rich-software-for-ft8-and-other-jt-modes/
Monitoring:
Online near-realtime: https://pskreporter.info/pskmap.html
Analysis: https://gridtracker.org/