In the fields of information technology and systems management, application performance management (APM) is the monitoring and management of performance and availability of software applications. APM strives to detect and diagnose complex application performance problems to maintain an expected level of service.
Code metrics for Java code by means of static analysis
Calculates various features from time series data. Python implementation of the R package tsfeatures.
Open-source Linux performance suite for engineers—profiling and tuning workloads and system configurations.
Command line interface used by all WakaTime text editor plugins
PySODMetrics: A Simple and Efficient Implementation of Grayscale/Binary Segmentation Metrics
Distributed tracing and monitor SDK in Go for Apache SkyWalking APM
Go modular http middleware to measure HTTP requests independent of metrics backend (with Prometheus and OpenCensus as backend implementations) and htt...
📈CNCF-created tool for analyzing and graphing developer contributions
PyTorch Image Quality Assessement package
mackerel-agent is an agent program to post your hosts' metrics to mackerel.io.
A modern, responsive web interface for managing CrowdSec alerts and decisions.
SDK for Android to measure your apps with Matomo. Works on Android phones, tablets, Fire TV sticks, and more!
Prometheus.io Elixir client
🛠 Toolbox to extend PyTorch functionalities
The Most Advanced Time Series Platform
Scraparr is a Prometheus Exporter for various components of the *arr Suite
Machine learning for C# .Net
Sister project to OpenLLMetry, but in Typescript. Open-source observability for your LLM application, based on OpenTelemetry
Exporter for systemd unit metrics
🗣️ Tool to generate adversarial text examples and test machine learning models against them
pganalyze statistics collector for gathering PostgreSQL metrics and log data
A tool to track SLA, SLO and Error budgets
Server that accepts metrics via the Graphite protocol and exports them as Prometheus metrics
🔭 Deeply Integrated and Auto Instrumented OpenTelemetry module for NestJS
Open source application performance monitoring tool with emphasis on ease of setup and use. Providing similar functionality like NewRelic/AppNeta/Skyl...
VQMT: Video Quality Measurement Tool. Fast implementations of the following objective image quality metrics: PSNR, SSIM, MS-SSIM, VIFp, PSNR-HVS and...
Web Vitals: Essential module for a healthy project
RAG evaluation without the need for "golden answers"
Prometheus integration for Starlette.
Monitoring and Observability Tool for the PolicyReport CRD with an optional UI.
APO is a comprehensive observability platform combining OpenTelemetry with eBPF. Leveraging LLM to enable automated analysis and troubleshooting 🚀.
SOFALookout is a light-weight monitoring and analysis tool
Change Risk Anti-Patterns (CRAP) metric for Rust projects
Exposes .NET core runtime metrics (GC, JIT, lock contention, thread pool) using the prometheus-net package
Minimal metrics for Go (counter/gauge/histogram). No dependencies. Compatible with expvar. Web UI included.
OpenSearch Data Prepper is a component of the OpenSearch project that accepts, filters, transforms, enriches, and routes data at scale.
Tellery lets you build metrics using SQL and bring them to your team. As easy as using a document. As powerful as a data modeling tool.
The Golang auto-instrument Agent for Apache SkyWalking, which provides the native tracing/metrics/logging abilities for Golang projects.
NGINX Agent provides an administrative entry point to remotely manage, configure and collect metrics and events from NGINX instances
Open-source AI copilot that lets you chat with your observability data and code 🧙♂️
Prometheus exporter for Apache.
[NeurIPS 2025 (D&B)] Rethinking Evaluation of Infrared Small Target Detection
Real-time monitoring of critical metrics & KPIs via elegant dashboards, Grafana3 visualizations & more
A Docker Swarm Stack for monitoring Traefik with Promethues and Grafana
Prometheus.io client in Erlang
Gohalt 👮♀🛑: Fast; Simple; Powerful; Go Throttler library
PySODEvalToolkit: A Python-based Evaluation Toolbox for Salient Object Detection and Camouflaged Object Detection
HoloInsight is a cloud-native observability platform with a special focus on real-time log analysis and AI integration.
Distributable time-series database (not actively maintained)
A thin façade around Coda Hale's metrics library.