Top 3 C prometheus-exporter Projects

Collectd

7 2,982 9.2 C

The system statistics collection daemon. Please send Pull Requests here!

Project mention: μMon: Stupid simple monitoring | news.ycombinator.com | 2023-09-24

https://collectd.org/ does the gathering (and writing to RRDTool database, if you so desire) part very well. Many plugins, easy to add more (just return one line of text)
Still need RRD viewere but that's not a huge stack
And it scales all the way to hundreds of hosts, as on top of network send/receive of stats it supports few other write formats aside from just RRD files.

inspektor-gadget

8 1,932 9.9 C

The eBPF tool and systems inspection framework for Kubernetes, containers and Linux hosts.
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
kepler

2 984 9.8 C

Kepler (Kubernetes-based Efficient Power Level Exporter) uses eBPF to probe performance counters and other system stats, use ML models to estimate workload energy consumption based on these stats, and exports them as Prometheus metrics (by sustainable-computing-io)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).