Discord Servers
Every Discord server disdex indexes — 11 in total, each with a continuously re-verified invite link. Filter by detected language, members, online count, age, boosts and activity, and sort any column.
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| Name ↑ | Members ↓ | Language | Online ↓ | Created ↓ | Boosts ↓ | Tag users ↓ | Added ↓ | Checked ↓ | Traits | Invite | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Hacking Club CTF /hackingclub | 4,145 | — | 660 | May 02, 2020May '20 | 21 | 1 | Mar 30, 2026Mar '26 | Jul 26, 2026Jul '26 | — | |
 | Cyber Discovery 2: Electric Boogaloo CTF | 3,166 | — | 166 | Feb 04, 2018Feb '18 | 5 | 2 | Mar 30, 2026Mar '26 | Jul 24, 2026Jul '26 | — | |
 | Hackuten CTF /hackuten | 2,212 | English | 256 | May 07, 2025May '25 | 23 | — | Jul 05, 2026Jul '26 | Jul 12, 2026Jul '26 | ||
 | What The Flag! CTF /hctf | 67 | English | 30 | Oct 20, 2025Oct '25 | 35 | — | Jun 18, 2026Jun '26 | Jul 22, 2026Jul '26 | ||
 | CyberStudents CTF /cyberstudents-916144903686336513 | 4,731 | English | 612 | Dec 03, 2021Dec '21 | 3 | — | Mar 30, 2026Mar '26 | Jul 24, 2026Jul '26 | ||
 | CTF - Season 2 - Week 1 CTF /ctf-season-2-week-9-1441798082885976184 | 1,176 | — | 114 | Nov 22, 2025Nov '25 | 2 | — | Apr 30, 2026Apr '26 | Jul 24, 2026Jul '26 | ||
 | Capture The Flag CTF | 1,106 | English | 89 | May 20, 2018May '18 | — | — | Mar 30, 2026Mar '26 | Jul 26, 2026Jul '26 | — | |
 | 𝙲𝙰𝚃𝙰𝙲𝙷𝙰𝙽 40𝚔 CTF | 411 | English | 59 | Jan 13, 2023Jan '23 | 4 | — | Apr 30, 2026Apr '26 | Jul 24, 2026Jul '26 | ||
 | California Tactical Forces HQ CTF /ctfhq | 310 | — | 44 | Feb 06, 2021Feb '21 | 16 | — | Apr 30, 2026Apr '26 | Jul 23, 2026Jul '26 | — | |
 | Flagnatics CTF | 124 | — | 16 | Mar 11, 2018Mar '18 | 4 | — | Jun 26, 2026Jun '26 | Jun 27, 2026Jun '26 | ||
 | CeddyNYC💫 CTF | 52 | — | 15 | Sep 22, 2021Sep '21 | — | — | Jul 08, 2026Jul '26 | Aug 20, 2026Aug '26 | — |