The most comprehensive free OSINT tool directory. No signups, no paywalls, no limits. Every tool curated, categorized, and documented for investigators, security researchers, and journalists.
18 intelligence domains. Every category includes tools from beginner-friendly to expert-level.
Helios provides tools for educational, research, and lawful security purposes only. All users must comply with GDPR, CFAA, ECPA, and applicable regional laws. This platform does not condone unauthorized access, targeted harassment, or illegal surveillance.
Only collect data you are authorized to access or that is genuinely public. Never use these tools against systems or people without legal basis.
Do not aggregate data to build profiles that violate individuals' reasonable expectations of privacy under applicable law.
GDPR, CFAA, ECPA, and regional privacy laws govern data collection. Understand your jurisdiction before conducting any investigation.
Collect only data necessary for your specific, legitimate goal. Minimize retention and securely dispose of data when done.
All tools free to access · No account required · Sorted by category
Helios exists on a simple principle: the best intelligence tools should be accessible to everyone — students, journalists, security researchers, investigators — without gatekeeping, fees, or forced signups.
We've curated 302 real, working OSINT tools across 16 intelligence categories. Every entry is verified, described, and linked directly. No fake tools, no affiliate links, no sponsored placements.
Helios is not affiliated with any listed tools. We provide this directory as a community service to the open-source intelligence community.