- 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.
- CLP - Compressed Log Processor (CLP) is a free tool capable of compressing text logs and searching the compressed logs without decompression.