mapping, open, osint, ssid, wifi
https://www.wigle.net/ 132 weeks, 5 days and 14 hours ago

download, free, open, Podcast, Podcasts
https://podcastindex.org/ 139 weeks, 3 days and 1 hour ago

internet, open, osint, search, search engine, security, servers
https://www.shodan.io/ 239 weeks, 4 days and 15 hours ago

, authority, ca, cert, free, open, ssl
https://letsencrypt.org/ 575 weeks, 5 days and 9 hours ago

directory, journals, open
http://www.doaj.org/doaj?func=home&uiLanguage=en 729 weeks, 3 days and 23 hours ago

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