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Phdays alternatives & similar sites

Positive Hack Days Fest — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Information And Network Security →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
exploit.by ↗	65 match 1 shared topics	Exploit.By — Кибербезопасность, пентест и аудит безопасности	Belarus ru	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
catsudo.cloud ↗	64 match 1 shared topics	root@CatSudo — Ваш милый цифровой защитник	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
assistoficial.com ↗	64 match 1 shared topics	SkyVault — Неприступная защита цифровых активов	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
tunnlx.com ↗	64 match 1 shared topics	TunnelX — Безопасный интернет без границ	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
astrafic.com ↗	64 match 1 shared topics	astrafic - понятные материалы про крипту и арбитраж: термины, практические объяснения и основы безопасности. Ast VPN — защита данных в публичных сетях.	ru	information-and-network-security WordPress	robots llmsaihumans	emailphone	none
cryptopro-key-manager.com ↗	64 match 1 shared topics	KeyManager — Централизованное управление ключами КриптоПро	Russia~ ru	information-and-network-security	robotsllmsaihumans	emailphone	none
bytis.by ↗	64 match 1 shared topics	БАЙТИС \| Информационная безопасность	Belarus ru	information-and-network-security	robotsllmsaihumans	emailphone	none
catchupchat.com ↗	64 match 1 shared topics	CatchupChat — безопасный мессенджер на базе Matrix	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
glan.by ↗	64 match 1 shared topics	X-Ray - Безопасное интернет-соединение	Belarus ru	information-and-network-security	robotsllmsaihumans	email phone	none
pipstervpn.com ↗	64 match 1 shared topics	Pipster — бесплатный VPN для России с безлимитным трафиком	ru	information-and-network-security	robotsllmsaihumans	email phone	none
2ds-pays.shop ↗	64 match 1 shared topics	ПРОЕКТЫ.РФ — системный интегратор: 44-ФЗ, 223-ФЗ, КИИ	ru	information-and-network-security	robotsllmsaihumans	email phone	partial · 15
tunnelrover.com ↗	64 match 1 shared topics	Tunnel Rover - быстрый и безопасный VPN	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
mikubooster.com ↗	64 match 1 shared topics	Miku Booster VPN 🚀 — быстрый и безопасный доступ в интернет без блокировок	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
hubvpn.lol ↗	64 match 1 shared topics	Hub VPN — Скачать ВПН бесплатно	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
cat-app.lol ↗	64 match 1 shared topics	Cat VPN — официальный ВПН-сервис	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
piratstop.com ↗	64 match 1 shared topics	ПиратСтоп — удаление сливов курсов и пиратского контента	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
gua-vpn.com ↗	63 match 1 shared topics	GuaVPN — Быстрый и безопасный VPN	ru	information-and-network-security	robotsllmsaihumans	emailphone	none
cryptopunks.org ↗	63 match 1 shared topics	c r y p t o p u n k s	ru	information-and-network-security	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.