Grafana, Zabbix, Lansweeper, Paessler PRTG Network Monitor, Nagios, Datadog, The Dude, ntop, Spiceworks, NetWorx, Kiwi Syslog Server, TrafficMonitor, AppDynamics, Pinguzo, Ganglia, Bugfender, System Center Operations Manager, Kibana, Humio, NetXMS, Instana, AppSignal, Glowroot, LogDNA, Zipkin, Alerta, SenseLogs, WhatsUp Gold, Sysdig, Cabot, Sawmill, Octopussy, Pandora FMS, OP5 Monitor, Xymon, Glimpse, Shinken, Pinpoint APM, syslog-ng Store Box, Corlysis, Timber, Controlup, Scalyr, pgDash, NodeQuery, Rails Performance, SeaLion, Stackdriver, New Relic Insights, ElastAlert, SyWatchdog, RootCause, LogLogic, BigPanda, HappyApps, FusionReactor, Wavefront by VMware, VividCortex, SpectX, CoScale, Hosted Graphite, 2 Steps, cfxPulse, Sentinet3, Hyperic, concurix, Anturis, Logscape, SteelCentral, AppPerfect Agentless Monitor, Trace by RisingStack, CloudPelican, Server Density, OTUS SIEM, OpsDash, XpoLog, Mothership, Congether, Atatus, SureLog, Loom Systems, HostedMetrics, Dataloop.io, Tivoli Business Service Manager, ErrorFeed, AggreGate Network Manager, RST Cloud, Shipbook, GFI MAX RemoteManagement, Cloudkick, Blue Matador, Monique.io, Servers and network monitoring, eG Enterprise, SpectrumApp, Monometric.IO, LiveMon are some alternatives to SigNoz.