The improved crosshairs are finally available to download! (link in comments) and there are some upgrades too (I will still accept feedback and suggestions) : r/tf2
Steam Community :: Guide :: TF2 Default Crosshair Info
What is the best crosshair? (including custom ones) : r/tf2
RELEASE] Fog's Crosshairs v3
Need help finding the crosshair : r/tf2
GitHub - omnibombulator/Easy-TF2-Crosshairs: Easy to Install Custom Font Crosshairs for Team Fortress 2
TF2] How to get weapon specific crosshair (1 min tutorial) - YouTube
Using a custom crosshair drastically improved my K:D : r/tf2
Sniper's Crosshair [Team Fortress 2] [Mods]
HUD Crosshairs - comfig docs
Steam Community :: Guide :: TF2 Default Crosshair Info