The fastest path to AI-powered full stack observability, even for lean teams.
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The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
The Prometheus monitoring system and time series database.
- monitoring
- metrics
- alerting
- graphing
:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
Lightweight server monitoring with historical data, docker stats, and alerts.
Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.
A high-performance observability data pipeline.
- logs
- metrics
- observability
- forwarder
Sends your logs to files, sockets, inboxes, databases and various web services
GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser.
- goaccess
- c
- real-time
- data-analysis
Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.
- telegraf
- monitoring
- time-series
- metrics
Logstash - transport and process your logs, events, or other data
Fluentd: Unified Logging Layer (project under CNCF)
- fluentd
- logging
- data-collector
- ruby
Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.
- monitoring
- time-series
- nightingale
- tsdb
Cloud-native OSS search engine for observability
- rust
- log-management
- logs
- tantivy
The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.
- c-plus-plus
- xml
- json
- networking
A self-hosted data logger for your Tesla 🚘 [main maintainer=@JakobLichterfeld]
- tesla
- tesla-api
- elixir-lang
- grafana
Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows
- fluentd
- c
- logging
- data-collector
Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.
- dashboard
- database-monitoring
- metrics
- monitoring
Open-source observability for your GenAI or LLM application, based on OpenTelemetry
- llmops
- observability
- open-telemetry
- metrics
An AI-powered next-generation open source real-time observability system.
- monitor
- monitoring
- prometheus
- self-hosted
Countly is a privacy-first, AI-powered analytics and engagement platform for understanding and optimizing customer journeys across digital applications, from desktop and mobile to IoT and connected environments.
- web-analytics
- dashboard
- mobile-analytics
- analytics
A debug log framework for use in Swift projects. Allows you to log details to the console (and optionally a file), just like you would have with NSLog() or print(), but with additional information, such as the date, function name, filename and line number.
Debugging, monitoring and visualization for Python Machine Learning and Data Science
StreamAlert is a serverless, realtime data analysis framework which empowers you to ingest, analyze, and alert on data from any environment, using datasources and alerting logic you define.
- security
- kinesis
- serverless
- terraform