Best AlienVault Open Threat Exchange (OTX) Alternatives (2026)

IP/domain/URL reputation

Malware execution and analysis

Fraud & reputation detection

A volunteer cybersecurity project focused on providing resources and services that improve safety across Discord

Google Link/Domain Flagging

Provide malware datasets and threat intelligence feeds

Malware Archive / file sourcing

Collect and share malware samples

Metacert Link Flagging

Check links to see if they're known phishing attempts

IP/domain/URL reputation

Simple REST API that can scan submitted documents/files for the presence of threats

Bulk queries and Download Malware Samples

Scan and Analyse URLs

Antivirus as a service - REST API that scans provided files for malware and NSFW content

VirusTotal File/URL Analysis

IP/domain/URL reputation