CSCG
The CSCG is an annual german CTF competition that spans two months and serves as the qualifier for the DHM, serving as the qualifier for selecting the German team for the ECSC.
GPNCTF
GPNCTF is an annual CTF competition hosted by KITCTF at the GPN chaos computer club event in Karlsruhe.
SEKAICTF
SekaiCTF is an annual CTF competition, hosted by PROJECT SEKAI - a well known international CTF team. The competition itself is known for its sizable prize pools and for serving as a prequalifier for events like MaltaCTF and XCTF.
SMILEYCTF
SmileyCTF is hosted by "America's #1 CTF team" named .;,;.
UMDCTF
UMDCTF is an annual CTF competition hosted by the University of Maryland.
FCSC
The FCSC is the French equivalent of the CSCG/DHM and serves as the qualifier for selecting the French team for the ECSC.
EHAX
EHAX is an online 24-hour CTF competition hosted as part of Invictus DTU's mega tech fest in India.
LACTF
LACTF is an annual american CTF competition hosted by ACM Cyber at UCLA.
DVCTF
DVCTF is annualy held by DaVinciCode, the academic team of the École supérieure d'ingénieurs Léonard-de-Vinci in France.