BitWarden
Best open-source password manager
Security
Botd
Botd is a browser library for JavaScript bot detection
Bugcrowd
Bugcrowd API for interacting and tracking the reported issues programmatically
Censys
Search engine for Internet connected host and devices
Complete Criminal Checks
Provides data of offenders from all U.S. States and Pureto Rico
dead-drop
Ephemeral zero-knowledge encrypted data sharing
Domain Intelligence
DNS, WHOIS/RDAP, SSL, subdomain enumeration, and email security in one parallel call
EmailRep
Email address threat and risk prediction
FilterLists
Lists of filters for adblockers and firewalls
FingerprintJS Pro
Fraud detection API offering highly accurate browser fingerprinting
FraudLabs Pro
Screen order information using AI to detect frauds
FullHunt
Searchable attack surface database of the entire internet
GitGuardian
Scan files for secrets (API Keys, database credentials)
GreyNoise
Query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data
HackerOne
The industry’s first hacker API that helps increase productivity towards creative bug bounty hunting
HaveIBeenPwned
Passwords which have previously been exposed in data breaches
Intelligence X
Perform OSINT via Intelligence X
IPLogs
Free VPN, proxy, Tor and datacenter IP detection. 13 sources, active probing
LoginRadius
Managed User Authentication Service
Microsoft Security Response Center (MSRC)
Programmatic interfaces to engage with the Microsoft Security Response Center (MSRC)
Mozilla http scanner
Mozilla observatory http scanner
National Vulnerability Database
U.S. National Vulnerability Database
PhishStats
Phishing database
Privacy.com
Generate merchant-specific and one-time use credit card numbers that link back to your bank
Pulsedive
Scan, search and collect threat intelligence data in real-time
SecurityTrails
Domain and IP related information such as current and historical WHOIS and DNS records
Shodan
Search engine for Internet connected devices
UK Police
UK Police data
URLhaus
Database of malicious URLs used for malware distribution
VulDB
VulDB API allows to initiate queries for one or more items along with transactional bots