Alternatives to Onionprobe

• OnionScan
• Webmon has support for Onion Services monitoring if used along with Orbot.
• BrassHornCommunications/OnionWatch: A GoLang daemon for notifying Tor Relay and Hidden Service admins of status changes
• systemli/prometheus-onion-service-exporter: Prometheus Exporter for Tor Onion Services
• prometheus/blackbox_exporter: Blackbox prober exporter, which could be configured using proxy_url pointing to a Privoxy instance relaying traffic to tor daemon. See this issue for details.