* [Prometheus v3.10.0](https://github.com/prometheus/prometheus) – Monitoring system and time series database that collects metrics and triggers alerts based on specified conditions. * [Grafana v12.4.0](https://github.com/grafana/grafana) – Platform to query, visualize, alert on, and explore metrics and logs from multiple data sources. * [OpenTelemetry Collector v0.148.0](https://github.com/open-telemetry/opentelemetry-collector) – Vendor-agnostic implementation for receiving, processing, and exporting telemetry data. * [OpenObserve v0.70.0](https://github.com/openobserve/openobserve) – Modern observability platform for logs, metrics, traces and frontend monitoring with high performance and low storage costs. * [Telegraf v1.38.0](https://github.com/influxdata/telegraf) – Agent for collecting, processing, aggregating, and writing metrics, logs, and other data. * [Wallace CLI v4.0.0](https://github.com/projectwallace/wallace-cli) – Pretty CSS analytics in the terminal. * [Prometheus Valkey & Redis Metrics Exporter v1.82.0](https://github.com/oliver006/redis_exporter) – Prometheus exporter exposing Valkey and Redis-compatible metrics for monitoring multiple Redis instances. * [OpenTelemetry-Go v1.42.0](https://github.com/open-telemetry/opentelemetry-go) – Go implementation of OpenTelemetry for measuring software performance and behavior. * [phantomas v2.23.0](https://github.com/macbre/phantomas) – Headless Chromium-based web performance metrics collector and monitoring tool. * [GitHub Exporter v11.0.0](https://github.com/promhippie/github_exporter) – Prometheus exporter collecting GitHub metrics for monitoring. * [Kibana v9.3.1](https://github.com/elastic/kibana) – Browser-based analytics and search dashboard for Elasticsearch. * [Coroot v1.18.0](https://github.com/coroot/coroot) – Observability tool that transforms application data into actionable insights. * [Yabeda v0.16.0](https://github.com/yabeda-rb/yabeda) – Extendable solution for easy setup of monitoring in Ruby applications. * [HyperDX @hyperdx/common-util...](https://github.com/hyperdxio/hyperdx) – Observability platform that centralizes logs, metrics, traces, exceptions, and session replays for production issue resolution. * [Intel® PerfSpect v3.15.0](https://github.com/intel/PerfSpect) – Command-line tool to analyze and optimize Linux server and application performance. * [Pulse v5.1.19](https://github.com/rcourtman/Pulse) – Lightweight monitoring application for Proxmox VE that displays real-time status for VMs and containers via a web interface. * [StatsD exporter v0.29.0](https://github.com/prometheus/statsd_exporter) – Receives StatsD-style metrics and exports them as Prometheus metrics for scraping. * [pganalyze collector v0.69.0](https://github.com/pganalyze/collector) – Go-based daemon for collecting PostgreSQL metrics and log data. * [Prometheus GitHub Exporter v2.3.0](https://github.com/githubexporter/github-exporter) – Exposes repository and API rate limit metrics from GitHub to a Prometheus-compatible metrics endpoint. * [MongoDB exporter v0.49.0](https://github.com/percona/mongodb_exporter) – Prometheus exporter exposing MongoDB monitoring and diagnostic metrics, covering sharding, replication and storage engines. * [Xray Checker v1.2.4](https://github.com/kutovoys/xray-checker) – Prometheus exporter for monitoring Xray proxy servers (VLESS, VMess, Trojan, Shadowsocks), exposing metrics and health APIs. * [Pyrra v0.9.5](https://github.com/pyrra-dev/pyrra) – SLO management and visualization for Prometheus, with error-budget calculations, burn-rate alerts, and Grafana dashboards. * [WakaTime CLI v1.139.2](https://github.com/wakatime/wakatime-cli) – Command-line interface for official text editor plugins to record and send coding activity. * [pg_stat_ch v0.3.0](https://github.com/ClickHouse/pg_stat_ch) – PostgreSQL extension capturing per-query execution telemetry and exporting raw events to ClickHouse for analytical aggregation. * [OpenTelemetry Ruby opentelemetry-propag...](https://github.com/open-telemetry/opentelemetry-ruby) – Ruby client for OpenTelemetry that provides API and SDK functionality. * [Policy Reporter v3.7.3](https://github.com/kyverno/policy-reporter) – Monitors PolicyReport CRD and provides observability, reporting, and optional web UI. * [F5 NGINX Agent v3.7.2](https://github.com/nginx/agent) – Companion application for remote management, configuration, and real-time metrics collection from NGINX instances. * [analyze-css v2.4.33](https://github.com/macbre/analyze-css) – CSS selectors complexity and performance analyzer providing detailed metrics and offender reports. * [AWS Amplify @aws-amplify/storage...](https://github.com/aws-amplify/amplify-js) – JavaScript library for frontend and mobile developers building cloud-enabled applications. * [Grafana Mimir mimir-3.0.4](https://github.com/grafana/mimir) – Scalable long-term storage solution for Prometheus with high availability and multi-tenancy features. * [OpenLLMetry-JS 0.22.8](https://github.com/traceloop/openllmetry-js) – Extensions for complete observability of LLM applications using OpenTelemetry. * [Mprove app-11.0.101](https://github.com/mprove-io/mprove) – Business intelligence platform centralizing metrics and dashboards, powered by Malloy. * [qbittorrent-exporter v1.13.3](https://github.com/martabal/qbittorrent-exporter) – Fast, lightweight Prometheus exporter exposing qBittorrent metrics for monitoring and dashboards. * [kube-metrics-adapter v0.2.8](https://github.com/zalando-incubator/kube-metrics-adapter) – General purpose Kubernetes adapter collecting custom and external metrics for Horizontal Pod Autoscaling. * [CatOps CLI v0.9.9](https://github.com/mfhonley/catops) – Fast, zero-configuration CLI for AI-powered server and Kubernetes monitoring with alerts and web dashboard. * [StatsHouse v2026.02.5](https://github.com/VKCOM/statshouse) – Highly available, scalable multitenant monitoring system offering one-second resolution, low latency, and long-term storage.