sajjadium/ctf-archives

CTF Archives: Collection of CTF Challenges.

Python

1,609

339 commits

updated Oct 11, 2026

twitter.com/sajjadium

See the code

README

CTF	Event	Writeups
07CTF	2026	CTFtime
0CTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021 Quals	CTFtime
	2020 Quals	CTFtime
	2019 Quals	CTFtime
	2018 Finals	CTFtime PersianCats
	2018 Quals	CTFtime PersianCats
	2017 Quals	CTFtime PersianCats
0x41414141	2021	CTFtime
0xFUN	2026	CTFtime
0xL4ugh	2024	CTFtime
0xL4ugh	2021	CTFtime
0xV01D	2026	CTFtime
0xV01D	2026	CTFtime
24hCTF	2024	CTFtime
24hCTF	2023	CTFtime
1337UP	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
1753CTF	2025	CTFtime
3kCTF	2020	CTFtime
47CON	2026	CTFtime
4N0NYM0US3	2023	CTFtime
4TS	2024	CTFtime
ADDA	2022	CTFtime
AI	2024	CTFtime
AITU	2026 Quals	CTFtime
ALLES	2021	CTFtime
ALLES	2020	CTFtime
ARA	2026	CTFtime
ASIS	2026 Quals	CTFtime
	2025 Finals	CTFtime
	2025 Quals	CTFtime
	2024 Finals	CTFtime
	2024 Quals	CTFtime
	2023 Finals	CTFtime
	2023 Quals	CTFtime
	2022 Finals	CTFtime
	2022 Quals	CTFtime
	2021 Finals	CTFtime
	2021 Quals	CTFtime
	2020 Finals	CTFtime
	2020 Quals	CTFtime
	2019 Finals	CTFtime
	2019 Quals	CTFtime
	2018 Finals	CTFtime PersianCats
	2018 Quals	CTFtime PersianCats
	2017 Quals	CTFtime
AUCTF	2026	CTFtime
AUCTF	2020	CTFtime
AccessDenied	2022	CTFtime
Aero	2022	CTFtime
	2021	CTFtime
	2019	CTFtime
AfricabattleCTF	2024 Quals	CTFtime
AfricabattleCTF	2023 Quals	CTFtime
AirOverflow	2024	CTFtime
Akasec	2024	CTFtime
AlpacaHack	2025	CTFtime
AlpacaHack	2024	CTFtime
AmateursCTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
ApoorvCTF	2026	CTFtime
ApoorvCTF	2025	CTFtime
AppSecVillage (CTF)2	2020	CTFtime
AptosCodeCollision	2024	CTFtime
ArabSecurityCyberWargames	2023 Quals	CTFtime
Auvergnhack	2025	CTFtime
Axiom	2026	CTFtime
AzureAssassinAlliance	2023	CTFtime
AzureAssassinAlliance	2022	CTFtime
BCACTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
BCTF	2018	CTFtime
BDSec	2026	CTFtime
	2025	CTFtime
	2023	CTFtime
	2022	CTFtime
BITSCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
BKCTF	2026	CTFtime
BKISC	2026	CTFtime
BRICS+	2024	CTFtime
BRICS+	2023	CTFtime
BSides Ahmedabad	2021	CTFtime
BSides Ahmedabad	2020	CTFtime
BSidesAlgiers	2025	CTFtime
	2023	CTFtime
	2020 Quals	CTFtime
BSidesBOS	2020	CTFtime
BSides Canberra	2021	CTFtime
BSides Delhi	2020	CTFtime
BSides Delhi	2018	CTFtime PersianCats
BSides Indore	2023	CTFtime
BSides Mumbai	2025	CTFtime
	2024	CTFtime
	2022	CTFtime
BSides Noida	2021	CTFtime
BSidesSF	2026	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime PersianCats
BSidesTLV	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
BTCTF	2024	CTFtime
BYUCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
BackdoorCTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2019	CTFtime
BalCCon	2020	CTFtime
Balsn	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
BambooFox	2021	CTFtime
Bauhinia	2023	CTFtime
Bearcat	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
Bhackari	2026	CTFtime
BlackhatMEA	2022	CTFtime
BlazCTF	2024	CTFtime
BlazCTF	2023	CTFtime
Blaze	2019	CTFtime
Blaze	2018	CTFtime
BlitzCTF	2025	CTFtime
BlockHarbor	2024	CTFtime
BlockHarbor	2023	CTFtime
BlueArena	2025	CTFtime
BlueHens	2026	CTFtime
	2024	CTFtime
	2023	CTFtime
	2021	CTFtime
BlueWater	2024	CTFtime
BoroCTF	2026	CTFtime
BraekerCTF	2024	CTFtime
BreachCTF	2025	CTFtime
BreakTheSyntax	2026	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
BroncoCTF	2024	CTFtime
BrunnerCTF	2026	CTFtime
BrunnerCTF	2025	CTFtime
Bucket	2023	CTFtime
BuckeyeCTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
BushBash	2026	CTFtime
Byte Bandits	2023	CTFtime
Byte Bandits	2020	CTFtime
Byte	2020	CTFtime
C3CTF	2019	CTFtime
	2018	CTFtime
	2017	CTFtime PersianCats
COMPFEST	2026	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
CONFidence	2020 Finals	CTFtime
CONFidence	2020 Quals	CTFtime
CPCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
CRHC	2025	CTFtime
CSAW	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022 Quals	CTFtime
	2021 Quals	CTFtime
	2020 Quals	CTFtime
	2019 Quals	CTFtime
	2018 Quals	CTFtime PersianCats
	2017 Quals	CTFtime PersianCats
CSCG	2026	CTFtime
CSCG	2025	CTFtime
CSCML	2020	CTFtime
CSS	2026	CTFtime
CTF@AC	2026 Quals	CTFtime
CTF@AC	2025 Quals	CTFtime
CTF@CIT	2024	CTFtime
CTFZone	2025 Quals	CTFtime
	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2018 Quals	CTFtime
CakeCTF	2023	CTFtime
CakeCTF	2022	CTFtime
CatTheQuest	2024	CTFtime
Chaff	2021	CTFtime
CCCamp	2023	CTFtime
CCCamp	2019	CTFtime
Chujowy	2020	CTFtime
CircleCityCon	2021	CTFtime
CODE BLUE	2018 Quals	CTFtime
CodeVinci	2016	CTFtime
Codefest	2025	CTFtime
Codegate	2026 Quals	CTFtime
	2025 Quals	CTFtime
	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022 Quals	CTFtime
	2019 Quals	CTFtime
	2018 Quals	CTFtime PersianCats
Crackmes.oneReverseEngineering	2026	CTFtime
CrateCTF	2025	CTFtime
CrateCTF	2024	CTFtime
CrewCTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
Cryovault	2026 Quals	CTFtime
Crypto	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
CryptoNite	2026	CTFtime
Cryptoverse	2023	CTFtime
Cryptoverse	2022	CTFtime
Ctrl+Space	2025 Quals	CTFtime
CubeCTF	2025	CTFtime
CursedCTF	2024 Quals	CTFtime
CYBERGON	2023	CTFtime
CyBRICS	2021	CTFtime
CyBRICS	2020	CTFtime
CyKor	2025	CTFtime
CybHackCTF	2024	CTFtime
CyberApocalypse	2025	CTFtime
CyberHeroines	2023	CTFtime
CyberLeague	2025	CTFtime
CyberSecurityRumble	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
CyberSpace	2024	CTFtime
CyberYoddha	2020	CTFtime
Cybercoliseum	2024	CTFtime
Cybercoliseum	2023	CTFtime
Cygenix	2024	CTFtime
Cyshock	2025	CTFtime
D3CTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
DCTF	2021	CTFtime
DEADFACE	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
DEFCON	2026 Quals	CTFtime
	2025 Quals	CTFtime
	2024 Quals	CTFtime
	2022 Quals	CTFtime
	2021 Quals	CTFtime
	2020 Quals	CTFtime
	2019 Quals	CTFtime
	2018 Quals	CTFtime
DIVEROSINT	2025	CTFtime
DIVEROSINT	2024	CTFtime
DUCKERZ	2025	CTFtime
DaVinciCTF	2025	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
DalCTF	2026	CTFtime
DamCTF	2024	CTFtime
	2021	CTFtime
	2020	CTFtime
Damncon	2022	CTFtime
Damncon	2021	CTFtime
DanteCTF	2023	CTFtime
Dark	2020	CTFtime
DawgCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
De1CTF	2020	CTFtime
De1CTF	2019	CTFtime
DeadSec	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
DeconstruCT.F	2023	CTFtime
DeconstruCT.F	2021	CTFtime
Defcamp	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022	CTFtime
	2020	CTFtime
	2018 Quals	CTFtime
Defenit	2020	CTFtime
DiceCTF	2026 Quals	CTFtime
	2025 Quals	CTFtime
	2024 Quals	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
DigitalOverdose	2022	CTFtime
DigitalOverdose	2021	CTFtime
DownUnderCTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
Dragon	2021	CTFtime
	2020	CTFtime
	2018 Quals	CTFtime
DreamhackInvitational	2025	CTFtime
DreamhackInvitational	2025 Quals	CTFtime
DreamhackInvitational	2024 Quals	CTFtime
E0F	2026	CTFtime
EBCTF	2022	CTFtime
ECW	2025 Quals	CTFtime
EHAX	2026	CTFtime
EHAX	2025	CTFtime
EKOPARTY	2024	CTFtime
ESCAPE	2023 Quals	CTFtime
Engineer	2022	CTFtime
EnigmaXplore	2025	CTFtime
EnigmaXplore	2024	CTFtime
Evlz	2020	CTFtime
FE-CTF	2023	CTFtime
FE-CTF	2022	CTFtime
Facebook	2019	CTFtime
FireShell	2020	CTFtime
FireShell	2019	CTFtime
FooBarCTF	2025	CTFtime
	2022	CTFtime
	2021	CTFtime
FortID	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
Freedom	2021	CTFtime
FromDuskTillDawn	2026 Quals	CTFtime
FullWeakEngineer	2025	CTFtime
Fword	2021	CTFtime
Fword	2020	CTFtime
GACTF	2020	CTFtime
GCC	2024	CTFtime
GDGAlgiers	2022	CTFtime
Great Lakes Security Conference	2021	CTFtime
GPN	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
GaslightCTF	2026	CTFtime
Glacier	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
Google	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019 Quals	CTFtime
	2018 Quals	CTFtime
GREP	2023	CTFtime
GreyCatTheFlag	2026 Quals	CTFtime
	2025	CTFtime
	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022	CTFtime
CyberGame	2026	CTFtime
CyberGrabs	2022	CTFtime
CyberGrabs	2021	CTFtime
H7CTF	2025	CTFtime
H7CTF	2024	CTFtime
HASBLCTF	2026	CTFtime
HCMUS	2023	CTFtime
HITCON	2025	CTFtime
	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019 Quals	CTFtime
	2018	CTFtime PersianCats
	2017 Quals	CTFtime
HKCERT	2024 Quals	CTFtime
HKUSTFirebird	2024	CTFtime
HSCTF	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
Hack.lu	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
	2018	CTFtime PersianCats
HackASat	2023	CTFtime
HackASat	2021	CTFtime
HackAstra	2026	CTFtime
HackCon	2018	CTFtime
HackForAChange	2026	CTFtime
HackHavoc	2024	CTFtime
HackPack	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
HackTM	2020 Quals	CTFtime
Hack The Vote	2020	CTFtime
Hack Zone Tunisia	2020	CTFtime
Hackappatoi	2023	CTFtime
Hackappatoi	2022	CTFtime
Hacker's Playground	2023	CTFtime
	2021	CTFtime
	2020	CTFtime
Hackorn	2025 Quals	CTFtime
Hackover	2018	CTFtime
HacktivityCon	2021	CTFtime
HacktivityCon	2020	CTFtime
HaixlaChapelle	2025	CTFtime
Hardware	2026	CTFtime
Harekaze	2019	CTFtime
Harekaze	2018	CTFtime
Haruulzangi	2026 Quals	CTFtime
HauntedPumpkin	2025	CTFtime
Hayyim	2022	CTFtime
HeroCTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
Hexion	2020	CTFtime
HiveCTF	2026	CTFtime
ICHSA	2021	CTFtime
IERAE	2025	CTFtime
IERAE	2024	CTFtime
IJCTF	2021	CTFtime
IJCTF	2020	CTFtime
IMF	2025	CTFtime
INS'hAck	2019	CTFtime
IRON	2024	CTFtime
ISITDTU	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022 Quals	CTFtime
	2021 Quals	CTFtime
	2019 Quals	CTFtime
	2018 Quals	CTFtime
ImaginaryCTF	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
InCTF	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
	2018	CTFtime PersianCats
INCOGNITO	2026	CTFtime
	2024	CTFtime
	2022	CTFtime
InfoSec	2022	CTFtime
Infobahn	2025	CTFtime
IngonyamaZK	2023	CTFtime
Intent	2021	CTFtime
InterlogicaCTFs	2024	CTFtime
InternetFestival	2023	CTFtime
IrisCTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
Jade	2022	CTFtime
JailCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
JerseyCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2022	CTFtime
Junior.Crypt	2025	CTFtime
Junior.Crypt	2024	CTFtime
K	2026	CTFtime
K17	2026	CTFtime
K17	2025	CTFtime
K3RN3LCTF	2021	CTFtime
KBxAc	2026	CTFtime
KalmarCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
Kashi	2026	CTFtime
Kashi	2025	CTFtime
Kaspersky	2018	CTFtime
Kind4SUS	2026	CTFtime
Kind4SUS	2025	CTFtime
KITCTFCTF	2023	CTFtime
KITCTFCTF	2022	CTFtime
KillerQueen	2021	CTFtime
KipodAfterFree	2020	CTFtime
KipodAfterFree	2019	CTFtime
KubSTU	2026	CTFtime
KubSTU	2026	CTFtime
KubanCTF	2023 Quals	CTFtime
L3HCTF	2025	CTFtime
	2024	CTFtime
	2021	CTFtime
L3akCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
KnightCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2022	CTFtime
LA	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
LINE	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
LexingtonInformaticsTournament	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
LYKNCTF	2026	CTFtime
LagNCrash	2026	CTFtime
LakeCTF	2025 Quals	CTFtime
	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022	CTFtime
Layer7	2020	CTFtime
Layer7	2019	CTFtime
LilacCTF	2026	CTFtime
Ledger Donjon	2021	CTFtime
Ledger Donjon	2020	CTFtime
MCTF	2025 Quals	CTFtime
	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2023-Junior Quals	CTFtime
	2022 Quals	CTFtime
	2021 Quals	CTFtime
	2020 Quals	CTFtime
MIPT	2026 Quals	CTFtime
MUST	2023 Quals	CTFtime
MeePwn	2018 Quals	CTFtime PersianCats
MaltaCTF	2025 Quals	CTFtime
MapleCTF	2023	CTFtime
MapleCTF	2022	CTFtime
Mapna	2024	CTFtime
MetaCTF	2021	CTFtime
MetaCTF	2020	CTFtime
MetaRed	2024	CTFtime
	2022	CTFtime
	2021	CTFtime
Midnight Flag	2026	CTFtime
	2024	CTFtime
	2023	CTFtime
MidnightSun	2026 Quals	CTFtime
	2024 Quals	CTFtime
	2022 Quals	CTFtime
	2021 Quals	CTFtime
	2020 Quals	CTFtime
	2019 Quals	CTFtime
MntcrlCTF	2026	CTFtime
N0PSctf	2025	CTFtime
N0PSctf	2024	CTFtime
N1CTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
	2018	CTFtime
NACTF	2020	CTFtime
NCTF	2026	CTFtime
NDIASAutomotiveIoT	2026	CTFtime
NNS	2026	CTFtime
NNS	2025	CTFtime
NewYear	2026	CTFtime
NewYear	2024	CTFtime
NewportBlakeCTF	2023	CTFtime
NexHunt	2025	CTFtime
Nexus	2024	CTFtime
NOESCAPE	2022	CTFtime
NOESCAPE	2024	CTFtime
NahamCon	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022-EU	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
NoHackNoCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
Norzh	2021	CTFtime
NovruzCTF	2026	CTFtime
Nowruz	2025	CTFtime
Nuit du Hack	2018 Quals	CTFtime
Null	2025	CTFtime
OFPPT	2022	CTFtime
OMH	2021	CTFtime
OSCTF	2024	CTFtime
OverTheWire Advent Bonanza	2021	CTFtime
OverTheWire Advent Bonanza	2018	CTFtime
P3rf3ctr00t	2025	CTFtime
PBjar	2021	CTFtime
P.W.N	2018	CTFtime
Paradigm	2023	CTFtime
Paradigm	2022	CTFtime
PascalCTF	2026	CTFtime
PatriotCTF	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
Pearl	2024	CTFtime
Plaid	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
	2018	CTFtime PersianCats
Platypwn	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
PointerOverflow	2024	CTFtime
PointerOverflow	2023	CTFtime
Poseidon	2020	CTFtime
Potluck	2023	CTFtime
Pragyan	2026	CTFtime
	2025	CTFtime
	2023	CTFtime
	2021	CTFtime
	2019	CTFtime
PsychCTF	2026	CTFtime
Pwn2Win	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
	2018	CTFtime
PwnMe	2025	CTFtime
PwnMe	2022	CTFtime
PwnSec	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
PwnThyBytes	2019	CTFtime
QUESTCON	2024	CTFtime
QUESTCON	2023	CTFtime
QnQSec	2025	CTFtime
R3CTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
RACTF	2021	CTFtime
RACTF	2020	CTFtime
RAMunchers	2026	CTFtime
RCTF	2025	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
	2018	CTFtime PersianCats
RITSEC	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2019	CTFtime
	2018	CTFtime
RTL	2021	CTFtime
RVCExIITBxYCF	2024	CTFtime
RaRCTF	2021	CTFtime
Razi	2020	CTFtime
Real World	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2019 Quals	CTFtime
RedShift.Eclipse2	2024 Quals	CTFtime
Remedy	2025	CTFtime
Ricerca	2023	CTFtime
Rooters	2019	CTFtime
Rush	2023	CTFtime
S4CTF	2021	CTFtime
SAS	2026 Quals	CTFtime
SAS	2025	CTFtime
2024	CTFtime
SCTF	2024	CTFtime
	2021	CTFtime
	2020	CTFtime
Scarlet	2026	CTFtime
ScriptCTF	2026	CTFtime
ScriptCTF	2025	CTFtime
SEC-T	2022	CTFtime
SECCON	2025 Quals	CTFtime
	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022 Quals	CTFtime
	2021	CTFtime
	2020 Quals	CTFtime
	2018 Quals	CTFtime PersianCats
	2017 Quals	CTFtime PersianCats
SHELL	2022	CTFtime
SHELL	2021	CTFtime
SEETF	2023	CTFtime
SEETF	2022	CTFtime
SPbCTF	2021 Quals	CTFtime
SPbCTF	2020 Quals	CTFtime
SUSCTF	2025	CTFtime
SUSCTF	2022	CTFtime
SanDiego	2024	CTFtime
SanDiego	2023	CTFtime
SecLeaf	2026	CTFtime
Securinets	2025 Quals	CTFtime
	2024 Quals	CTFtime
	2023 Quals	CTFtime
	2022 Quals	CTFtime
	2021 Quals	CTFtime
	2020 Quals	CTFtime
	2019 Quals	CTFtime
Security Fest	2022	CTFtime
Security Fest	2018	CTFtime
SekaiCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
SpringForwardCTF	2024	CTFtime
SpringForwardCTF	2023	CTFtime
Shakti	2025	CTFtime
	2021	CTFtime
	2020	CTFtime
Sharky	2020	CTFtime
Shaastra	2024	CTFtime
ShunyaCTF	2024	CTFtime
SillyCTF	2025	CTFtime
SpaceHeroes	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
SpamAndFlags	2020 Quals	CTFtime
SpartanCTF	2024	CTFtime
SpookyCTF	2024	CTFtime
SpookyCTF	2023	CTFtime
Block	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
Srdnlen	2026	CTFtime
	2025	CTFtime
	2023	CTFtime
	2022	CTFtime
StackSmash	2025	CTFtime
*CTF	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2019	CTFtime
	2018	CTFtime PersianCats
Starpwn	2026	CTFtime
SuSeC	2020	CTFtime
Summit	2023	CTFtime
SunshineCTF	2026	CTFtime
	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
SwampCTF	2025	CTFtime
SwampCTF	2024	CTFtime
Syskron Security	2020	CTFtime
T3N4CI0US	2022	CTFtime
TAMUctf	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime PersianCats
	2018	CTFtime PersianCats
TCP1P	2024	CTFtime
TCP1P	2023	CTFtime
TFC	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2021	CTFtime
TG:HACK	2020	CTFtime
THCon	2025	CTFtime
	2024	CTFtime
	2022	CTFtime
	2021	CTFtime
THEMCTF	2026	CTFtime
THJCC	2026	CTFtime
	2026	CTFtime
	2024	CTFtime
TJCTF	2026	CTFtime
	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2020	CTFtime
TPCTF	2025	CTFtime
TPCTF	2023	CTFtime
TMUCTF	2021	CTFtime
TRX	2026	CTFtime
TRX	2025	CTFtime
TSCCTF	2025	CTFtime
TSG	2025	CTFtime
	2024	CTFtime
	2023	CTFtime
	2021	CTFtime
	2020	CTFtime
	2019	CTFtime
TU	2024	CTFtime
	2023	CTFtime
	2022	CTFtime
	2018	CTFtime
TallDwarfHostingHostingTakeover	2026	CTFtime
Tamil	2021	CTFtime
TaipanByte	2026	CTFtime
Tasteless	2021	CTFtime
Tasteless	2020	CTFtime
TeamItaly	2023	CTFtime
Tenable	2022

Truncated — view the full README on GitHub.

Significant stargazers

Chen

1,497 followers · starred Jan 2026

Terry Yue Zhuo

130 followers · starred Oct 2024

oddlama

258 followers · starred Aug 2024

Jay Bosamiya

881 followers · starred Feb 2023

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