Metrics GitHub Repositories (2026) · Open Source Tools

The OpenTelemetry C++ Client

Lightweight self-hosted application monitoring for small servers. Spring Boot, Quarkus, SQLite history, simple charts. No Prometheus/Grafana stack required.

Add-on agent to generate and expose cluster-level metrics.

An AI-powered next-generation open source real-time observability system.

Native Operating System and Hardware Information

Making SLOs with Prometheus manageable, accessible, and easy to use for everyone!

Prometheus Exporter for Valkey & Redis Metrics. Supports Valkey 9.x, 8.x, 7.x and various Redis versions

OpenTelemetry Collector

High-level library to help with training and evaluating neural networks in PyTorch flexibly and transparently.

A set of tools, types and libraries for building and manipulating Grafana objects.

OpenTelemetry Go API and SDK

A Prometheus exporter for MongoDB including sharding, replication and storage engines

Pluggable foundation blocks for building distributed apps.

JavaMelody : monitoring of JavaEE applications

Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.

CodeCharta is a visualization tool that transforms complex software architecture and code metrics into interactive, customizable visual maps, empowering everyone to communicate and analyze your codebase. Improve code quality, maintainability, and architectural decisions

OpenTelemetry Python API and SDK

A Ruby code quality reporter

We write your reusable computer vision tools. 💜

An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.