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Logging Links  StatsD  - Daemon for easy but powerful stats aggregation.statsd-vis  - Standalone StatsD server with built-in visualization.OpenTracing  - Vendor-neutral APIs and instrumentation for distributed tracing.Telegraf  - Open source server agent to help you collect metrics from your stacks, sensors and systems. (Code )log.c  - Simple logging library implemented in C99.OpenTelemetry  - Provides a single set of APIs, libraries, agents, and collector services to capture distributed traces and metrics from your application. (OpenTelemetry Specification ) (Web Code ) (Awesome )The logging framework isn't a bottleneck, and other lies your laptop tells you (2020)  (Lobsters )Logstash  - Transport and process your logs, events, or other data.Fluent Bit  - Fast Log Processor and Forwarder for Linux, Embedded Linux, MacOS and BSD.GoAccess  - Real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser. (Docker image )StatsD Metrics Export Specification Loglizer  - Machine learning-based log analysis toolkit for automated anomaly detection.DTXLoggingInfra  - Logging infrastructure for Apple platforms.Good Logging (2020)  (Lobsters )Monitoring demystified: A guide for logging, tracing, metrics (2020)  (HN )Metrictank  - Multi-tenant timeseries platform that can be used as a backend or replacement for Graphite.EventNative  - Open-source data collection framework.Phuslu/Log  - Structured Logging for Humans.Logs and Time Series are not the same (2020) Tracing at Slack: Thinking in Causal Graphs (2020) slog  - Go library for capturing structured log information.Logging Levels: What They Are & How to Choose Them  (Lobsters )bunyan-rs  - CLI to pretty print logs in bunyan format. A Rust port of the original JavaScript bunyan CLI.Data Logging: Sampling versus Profiling (2020) How to Write Unit Tests for Logging (2020)  (HN )Backend logging options (2020) Glean SDK  - Modern cross-platform telemetry. (Docs )Logflare  - Cloudflare, Vercel & Elixir Logging. (Code )Flog  - Fake log generator for common log formats.Stuff your logs (2021) Logsuck  - Easy log aggregation, indexing and searching.Ekanite  - High-performance syslog server with built-in text search.The Ultimate Guide To Python Logging (2021) My Logging Best Practices (2020) OpenTelemetry Collector  - Offers a vendor-agnostic implementation on how to receive, process and export telemetry data.Data Logging: Sampling versus Profiling (2020) Stuff Your Logs (2021)  (HN )How GitHub Actions renders large-scale logs (2021) Grafana Agent  - Prometheus Metrics, Loki Logs, and Tempo Traces, optimized for Grafana Cloud.Why and how GitHub is adopting OpenTelemetry (2021)  (HN )Logging is important (2021) NanoLog  - Extremely performant nanosecond scale logging system for C++ that exposes a simple printf-like API.pq  - Parse and Query log files as time series.angle-grinder  - Slice and dice log files on the command line.Ostracon  - Distributed “persistence-first” shared log.exo  - Process manager & log viewer for dev. (Web )errorpush  - Minimalist Sentry alternative using PostgreSQL.Apache Flume  - Distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data. (Minimalist Guide to Flume )Monika  - Command line application to monitor every part of your web app using a simple JSON configuration file. Get alert not only when your site is down but also when it's slow. (Web )My Logging Best Practices (2020)  (HN )Uptrace  - Cost-effective tracing solution that helps you monitor, understand, and optimize complex distributed systems. (Code )Logs and tracing: not just for production, local development too (2021)  (HN )Sigma  - Generic Signature Format for SIEM Systems.Do Not Log (2020)  (HN )Logging is a code smell (2022)  (HN ) (Lobsters )The Cost of Logging in 2022 LNAV  - Log file navigator.Tango  - Tool to get insights from the server access logs.Logging at Twitter (2021)  (HN )Metrics For Your Web Application's Dashboards (2022) sugarjazy  - Parse JSON logs nicely.Good log management services (2022) All your metrics belong to influx (2022) magic-trace  - Collects and displays high-resolution traces of what a process is doing. (HN )Bioyino  - StatsD server written in Rust.Refinery  - Trace-aware sampling proxy. It collects spans emitted by your application, gathers them into traces, and examines them as a whole.Sagan  - Open source high performance, real-time log analysis & correlation engine.CT Woodpecker  - Tool to monitor a certificate transparency log for operational problems.alp  - Access Log Profiler.uno  - Like uniq, but for logs.