| arbor-monad-metric | 13 | 0.0 | 1 | Core metric library for publishing metrics. | (library, metrics, mit) | 2019-10-17 | 1.2.1 | newhoggy, haskellworks, arbornetworks |
| arbor-monad-metric-datadog | 11 | 0.0 | 0 | Metric library backend for datadog. | (library, metrics, mit) | 2019-11-18 | 1.1.2 | newhoggy, haskellworks, arbornetworks |
| data-prometheus | 4 | 0.0 | 0 | Prometheus metrics text format | (bsd3, library, metrics) | 2025-03-29 | 0.1.0.0 | srk |
| freckle-otel | 16 | 0.0 | 2 | Some extensions to the hs-opentelemetry-sdk library | (library, metrics, mit, monitoring, observability, opentelemetry, telemetry) | 2026-09-03 | 0.1.0.0 | PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering, OlaoluwaM |
| hs-opentelemetry-api | 50 | 0.0 | 58 | OpenTelemetry API for libraries to instrument code or build wrappers. | (bsd3, library, metrics, monitoring, observability, opentelemetry, telemetry) | 2026-05-29 | 1.0.0.0 | IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj, mercury |
| hs-opentelemetry-exporter-otlp | 38 | 0.0 | 4 | OpenTelemetry exporter supporting the standard OTLP protocol | (bsd3, library, metrics, monitoring, observability, opentelemetry, telemetry) | 2026-05-29 | 1.0.0.0 | IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj, mercury |
| hs-opentelemetry-exporter-prometheus | 4 | 0.0 | 0 | Prometheus text exposition for OpenTelemetry metrics export batches | (bsd3, library, metrics, monitoring, observability, opentelemetry, telemetry) | 2026-05-29 | 1.0.0.0 | IanDuncan |
| hs-opentelemetry-sdk | 41 | 0.0 | 12 | OpenTelemetry SDK for use in applications. | (bsd3, library, metrics, monitoring, observability, opentelemetry, telemetry) | 2026-05-29 | 1.0.0.0 | IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj, mercury |
| metricsd-client | 3 | 0.0 | 1 | Client for the metrics aggregator Metricsd | (bsd3, library, metrics, monitoring, network) | 2014-01-02 | 0.1 | JanVornberger |
| nagios-check | 10 | 0.0 | 2 | Package for writing monitoring plugins | (library, metrics, mit, monitoring, system) | 2015-09-01 | 0.3.2 | fractalcat |
| network-metrics | 39 | 0.0 | 1 | Send metrics to Ganglia, Graphite, and statsd. | (library, metrics, monitoring) | 2014-08-06 | 0.4 | BrendanHay, KimAltintop |
| prometheus | 90 | 2.25 | 6 | Prometheus Haskell Client | (bsd3, library, metrics, monitoring, system, web) | 2026-06-25 | 2.3.1 | wraithm, LukeHoersten, cdepillabout |
| statsdi | 5 | 0.0 | 1 | A lovely [Dog]StatsD implementation | (library, metrics, mit) | 2018-10-25 | 0.2.0.0 | iostat |