EDIT : "[REPO] FORK" means that the source is no longer available > go FORK
https://github.com/DarkCoderSc/SubSeven
https://gitlab.com/KevinJClark/badrats
https://github.com/Ziconius/FudgeC2
https://github.com/ZHacker13/ReverseTCPShell
[https://github.com/zerosum0x0/koadic] FORK (https://github.com/offsecginger/koadic)
https://github.com/xRET2pwn/PickleC2
https://github.com/UnkL4b/BabyShark
https://github.com/tiagorlampert/CHAOS
https://github.com/theshadowboxers/bunraku
https://github.com/sweetsoftware/Ares
[https://github.com/sogonsec/ViolentFungus-C2] FORK https://github.com/sasqwatch/ViolentFungus-C2
https://github.com/silentbreaksec/Throwback
https://github.com/SharpC2/SharpC2
https://github.com/shadow-workers/shadow-workers
https://github.com/sensepost/goDoH
https://github.com/SaturnsVoid/GoBot2
https://github.com/redherd-project/redherd-framework
https://github.com/rapid7/metasploit-framework
https://github.com/r3nhat/GRAT2
https://github.com/r00t-3xp10it/meterpeter
https://github.com/qwqdanchun/DcRat
https://github.com/quasar/QuasarRAT
https://github.com/pucarasec/zuthaka
https://github.com/Project-Prismatica
https://github.com/praetorian-inc/slack-c2bot
https://github.com/postrequest/link
https://github.com/p3nt4/Nuages
https://github.com/onSec-fr/Http-Asynchronous-Reverse-Shell
https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
https://github.com/nickvangilder/most-average-c2-ever
https://github.com/nettitude/PoshC2
https://github.com/NetSPI/SQLC2
https://github.com/neoneggplant/EggShell
https://github.com/Ne0nd0g/merlin
https://github.com/n1nj4sec/pupy
https://github.com/n00py/Slackor
https://github.com/MythicAgents/Medusa
https://github.com/MythicAgents/Apollo
https://github.com/mttaggart/OffensiveNotion
https://github.com/Mr-Un1k0d3r/ThunderShell
https://github.com/monoxgas/FlyingAFalseFlag
https://github.com/mlgualtieri/PurpleTeamSummit
https://github.com/mitre/caldera
https://github.com/mhaskar/Octopus
https://github.com/Marten4n6/EvilOSX
https://github.com/loseys/BlackMamba
https://github.com/looCiprian/GC2-sheet
https://github.com/lapolis/palinka_c2
https://github.com/Kudaes/LOLBITS
[https://github.com/KadeDev/Void-RAT] FORK https://github.com/TheRipperJhon/Void_RAT
https://github.com/jm33-m0/emp3r0r
[https://github.com/jafarlihi/serpentine] FORK https://github.com/killvxk/serpentine
[https://github.com/itsKindred/redViper] FORK https://github.com/PeterG75/redViper
https://github.com/its-a-feature/Mythic
https://github.com/IncideDigital/Mistica
https://github.com/hyp3rlinx/DarkFinger-C2
https://github.com/h0mbre/Dali
https://github.com/Gr1mmie/AtlasC2
https://github.com/gl4ssesbo1/Nebula
https://github.com/geemion/Khepri
https://github.com/killvxk/WarFox https://github.com/bopin2020/WARFOX-C2 https://github.com/bopin2020/WARFOX-C2
https://github.com/FSecureLABS/C3
https://github.com/FrenchCisco/RATel
https://github.com/fozavci/petaqc2
https://github.com/facebookincubator/WEASEL
https://github.com/entynetproject/proton >>> PROJECT DEAD
https://github.com/enkomio/AlanFramework
https://github.com/EnginDemirbilek/NorthStarC2
https://github.com/ElevenPaths/ibombshell
https://github.com/DeimosC2/DeimosC2
https://github.com/degenerat3/meteor
https://github.com/d4rk007/sak1to-shell
https://github.com/crawl3r/DaaC2
https://github.com/Cr4sh/MicroBackdoor
https://github.com/cobbr/Covenant
https://github.com/CMatri/MeetC2
https://github.com/cedowens/MacShellSwift
[https://github.com/cedowens/MacC2] FORK https://github.com/gavz/MacC2
https://github.com/byt3bl33d3r/SILENTTRINITY
https://github.com/BishopFox/sliver
https://github.com/BC-SECURITY/Empire
https://github.com/bats3c/shad0w
https://github.com/Arno0x/DBC2
https://github.com/ahmedkhlief/Ninja
https://github.com/AdrianVollmer/PowerHub
https://github.com/3xpl01tc0d3r/Callidus
https://github.com/3v4Si0N/HTTP-revshell
https://github.com/3ct0s/disctopia-c2
https://github.com/ValtteriL/go-implant
https://github.com/dobin/antnium
https://github.com/dobin/antniumui
https://github.com/Rvn0xsy/Linco2
https://github.com/BradHacker/titan
https://github.com/AshleyNikr/Bifrost
https://github.com/iammaguire/MeetC2
https://github.com/JrM2628/httpworker
https://github.com/d4rckh/nimc2
https://github.com/BomboBombone/Rattuso
https://github.com/0xSegFaulted/SkyRat
https://github.com/b23r0/Heroinn
https://github.com/CPunch/Laika
https://github.com/Idov31/Sandman
https://github.com/HavocFramework/Havoc
https://github.com/Ptkatz/OrcaC2
https://github.com/CodeXTF2/PyHmmm
https://github.com/susMdT/SharpAgent
https://github.com/HavocFramework/Talon
https://github.com/t3l3machus/hoaxshell
https://github.com/reveng007/SharpGmailC2
https://github.com/LostAquilae/Windows_kernel_rootkit
https://github.com/Enelg52/KittyStager
https://github.com/naksyn/Pyramid
https://github.com/kleiton0x00/RedditC2
https://github.com/kira2040k/RedbloodC2
https://github.com/h3xduck/TripleCross
https://github.com/SpenserCai/DRat
https://github.com/DragoQCC/HardHatC2
https://github.com/0xTriboulet/Revenant
https://github.com/screamz2k/PhoenixC2
https://github.com/badboycxcc/ivy
https://github.com/0x1CA3/Reaper
https://github.com/wildangelcult/was
https://github.com/4g3nt47/Striker
https://github.com/ps1337/reinschauer/
https://github.com/t3l3machus/Villain
https://github.com/DarkCoderSc/SharpFtpC2
https://github.com/malcomvetter/Periscope >>> PROJECT DEAD
https://github.com/voukatas/Commander
https://github.com/CalfCrusher/MaccaroniC2
https://github.com/MrDomainAdmin/LyinEagle
https://github.com/gatariee/Winton
https://github.com/spellshift/realm
https://github.com/itaymigdal/Nimbo-C2
https://github.com/chumachok/cat-soup
https://github.com/cbrnrd/maliketh
https://github.com/chvancooten/NimPlant
https://github.com/Z3ratu1/geacon_plus
https://github.com/Faisal-P27/WAREED-DNS-C2
https://github.com/hoodoer/JS-Tap
https://github.com/MauroEldritch/mFT
https://github.com/hideckies/hermit
https://github.com/0x1uke/lurker
https://github.com/cxnturi0n/convoC2
https://github.com/quantumcore/paradoxiaRAT
https://github.com/quantumcore/remote_hacker_probe
https://github.com/XZB-1248/Spark
C2 Matrix List : https://docs.google.com/spreadsheets/d/1b4mUxa6cDQuTV2BPC6aA-GR4zGZi0ooPYtBe4IgPsSc/edit?gid=0#gid=0
https://github.com/Ne0nd0g/merlin
https://github.com/enkomio/AlanFramework
https://github.com/sweetsoftware/Ares
https://github.com/UnkL4b/BabyShark
https://github.com/FSecureLABS/C3
https://github.com/mitre/caldera
https://github.com/3xpl01tc0d3r/Callidus
https://github.com/tiagorlampert/CHAOS
https://github.com/cobbr/Covenant
https://github.com/h0mbre/Dali
https://github.com/hyp3rlinx/DarkFinger-C2
https://github.com/DeimosC2/DeimosC2
https://github.com/BC-SECURITY/Empire
https://github.com/Marten4n6/EvilOSX
https://github.com/monoxgas/FlyingAFalseFlag
https://github.com/Ziconius/FudgeC2
https://github.com/sensepost/goDoH
https://github.com/r3nhat/GRAT2
https://github.com/onSec-fr/Http-Asynchronous-Reverse-Shell
https://github.com/HavocFramework/Havoc
https://github.com/ElevenPaths/ibombshell
https://github.com/offsecginger/koadic
https://github.com/cedowens/MacShellSwift
https://github.com/rapid7/metasploit-framework
https://github.com/mlgualtieri/PurpleTeamSummit/tree/main/Summit-May2021
https://github.com/its-a-feature/Mythic
https://github.com/ahmedkhlief/Ninja/
https://github.com/p3nt4/Nuages
https://github.com/mhaskar/Octopus
https://github.com/nettitude/PoshC2/
https://github.com/AdrianVollmer/PowerHub
https://github.com/preludeorg/
https://github.com/Project-Prismatica
https://github.com/entynetproject/proton
https://github.com/quasar/QuasarRAT
https://github.com/ZHacker13/ReverseTCPShell
https://github.com/scythe-io
https://github.com/byt3bl33d3r/SILENTTRINITY
https://github.com/slyd0g/
https://github.com/BishopFox/sliver
https://github.com/silentbreaksec/Throwback
https://github.com/trustedsec/trevorc2/
https://github.com/facebookincubator/WEASEL
https://github.com/smokeme/airstrike
https://github.com/Leo4j/Amnesiac
https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
https://github.com/Gr1mmie/AtlasC2
https://gitlab.com/KevinJClark/badrats
https://github.com/loseys/BlackMamba
https://github.com/theshadowboxers/bunraku
https://github.com/matt-culbert/CloakNDaggerC2
https://github.com/crawl3r/DaaC2
https://github.com/Arno0x/DBC2
https://github.com/qwqdanchun/DcRat
https://github.com/3NailsInfoSec/DCVC2
https://github.com/emmaunel/DiscordGo
https://github.com/3ct0s/disctopia-c2
https://github.com/neoneggplant/EggShell
https://github.com/jm33-m0/emp3r0r
https://github.com/looCiprian/GC2-sheet
https://github.com/byt3bl33d3r/gcat
https://github.com/SaturnsVoid/GoBot2
https://github.com/SaumyajeetDas/GodGenesis
https://github.com/MrSaighnal/GCR-Google-Calendar-RAT
https://github.com/lukebaggett/google_socks
https://github.com/d4rckh/grc2
https://github.com/DragoQCC/HardHatC2
https://pivotlabs.dev/haven/
https://github.com/b23r0/Heroinn
https://github.com/3v4Si0N/HTTP-revshell
https://github.com/geemion/Khepri
https://github.com/postrequest/link
https://github.com/Kudaes/LOLBITS
https://github.com/cedowens/MacC2
https://github.com/CalfCrusher/MaccaroniC2
https://github.com/nickvangilder/most-average-c2-ever
https://github.com/CMatri/MeetC2
https://github.com/demon-i386/MeliziaC2
https://github.com/degenerat3/meteor
https://github.com/r00t-3xp10it/meterpeter
https://github.com/Cr4sh/MicroBackdoor
https://github.com/RickConsole/minic2
https://github.com/IncideDigital/Mistica
https://github.com/YDHCUI/manjusaka
https://github.com/MythicAgents/Apollo
https://github.com/MythicAgents/Medusa
https://github.com/gl4ssesbo1/Nebula
https://github.com/1N73LL1G3NC3x/Nightmangle
https://github.com/itaymigdal/Nimbo-C2
https://github.com/chvancooten/NimPlant/blob/main/LICENSE
https://github.com/EnginDemirbilek/NorthStarC2
https://github.com/mttaggart/OffensiveNotion
https://github.com/lapolis/palinka_c2
https://github.com/fozavci/petaqc2
https://github.com/screamz2k/PhoenixC2
https://github.com/xRET2pwn/PickleC2
https://github.com/n1nj4sec/pupy
https://github.com/FrenchCisco/RATel
https://github.com/spellshift/realm
https://github.com/g0h4n/REC2
https://github.com/kira2040k/RedbloodC2
https://github.com/kleiton0x00/RedditC2
https://github.com/redherd-project/redherd-framework
https://github.com/itsKindred/redViper
https://github.com/bitsadmin/revbshell
https://github.com/d4rk007/sak1to-shell
https://github.com/Idov31/Sandman
https://github.com/jconwell/secret_handshake
https://github.com/jafarlihi/serpentine
https://github.com/bats3c/shad0w
https://github.com/0xEr3bus/ShadowForgeC2
https://github.com/shadow-workers/shadow-workers
https://github.com/rasta-mouse/SharpC2
https://github.com/reveng007/SharpGmailC2
https://github.com/praetorian-inc/slack-c2bot
https://github.com/n00py/Slackor
https://github.com/NetSPI/SQLC2
https://github.com/4g3nt47/Striker
https://github.com/tdragon6/Supershell/
https://github.com/Mr-Un1k0d3r/ThunderShell
https://github.com/lu4p/ToRat
https://github.com/h3xduck/TripleCross
https://github.com/PaulSec/twittor
https://github.com/sogonsec/ViolentFungus-C2
https://github.com/FunnyWolf/Viper/
https://github.com/D1rkMtr/VirusTotalC2
https://github.com/KadeDev/Void-RAT
https://github.com/FULLSHADE/WarFox/
https://github.com/pucarasec/zuthaka
https://github.com/Teach2Breach/Tempest