https://www.mediafire.com/file/5bk00cwcbhy9r99/l2boyard_source.rar/file
This is very old source , not recommend for live server.
It contains many custom mods.
PvPColor System
Offline Shop && Craft
TVT , Deathmatch , Capture the flag Event Engine
Vote System
Anti-farm PVP
Custom Starting Spawn Location
New Char Hat
Voiced Command Settings (online , auto pots , password change , menu , view npc drops , banking system , gold bar trade)
PVP Reward System
PVP Announcements
Captcha Antibot
View Boss Status
Auto Restart
Many custom item handlers like noblesse/hero item
VIP System
And many more!
There are not much c6 sources at this section , i hope you find it useful and learn from this.