caddy vs jaeger

caddy and jaeger share 7 technologies: go.uber.org/zap, Prometheus, go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp, go.opentelemetry.io/otel, go.opentelemetry.io/otel/trace, github.com/prometheus/client_model, and go.opentelemetry.io/otel/sdk/metric. Both are written in Go.

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What they share and what sets them apart

caddyserver

caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

Go78.8kRead on November 4, 2026, at commit c849256What is caddy built with?

Only in caddy

  • chi
  • etcd
  • github.com/yuin/goldmark
  • OpenTelemetry
  • go.opentelemetry.io/contrib/bridges/prometheus

In common

  • go.uber.org/zap
  • Prometheus
  • go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
  • go.opentelemetry.io/otel
  • go.opentelemetry.io/otel/trace
  • github.com/prometheus/client_model
  • go.opentelemetry.io/otel/sdk/metric
jaegertracing

jaeger

CNCF Jaeger, a Distributed Tracing Platform

Go23.4kRead on November 4, 2026, at commit d723f91What is jaeger built with?

Only in jaeger

  • net/http
  • MCP
  • otelgrpc
  • go.opentelemetry.io/otel/metric
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace
  • go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
  • go.opentelemetry.io/otel/exporters/prometheus
  • go.opentelemetry.io/otel/sdk
  • github.com/prometheus/common

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
caddy135,432 lines written227 code files
jaeger188,919 lines written548 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
caddy0.9% of its commits signed by AIWith Claude Code, GitHub Copilot, Gemini CLI, and Amp
jaeger7.2% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
caddyLast push November 4, 20262,817 commits78,770 stars
jaegerLast push November 4, 20264,964 commits23,372 stars
TestsThe files that test the code, and the share of code files a test imports.
caddy193 test files65.6% of its code files have a test that imports them
jaeger680 test files83.4% of its code files have a test that imports them

Frequently asked questions

Which is bigger, caddy or jaeger?
jaeger, with 188,919 lines written; caddy has 135,432.

The proof: jaegertracing/jaeger's code at commit d723f91

Which has more GitHub stars, caddy or jaeger?
caddy, with 78,770 stars; jaeger has 23,372.

The proof: caddyserver/caddy on GitHub

Which has more tests, caddy or jaeger?
jaeger, with 680 test files; caddy has 193.

The proof: jaegertracing/jaeger's code at commit d723f91

Which was updated more recently, caddy or jaeger?
Both got their last push on November 4, 2026.

The proof: caddyserver/caddy's commits on GitHub

Which has more commits signed by AI, caddy or jaeger?
jaeger: an AI signed 7.2% of its commits, with Claude Code, GitHub Copilot, and Cursor; in caddy, 0.9%.

The proof: the commits each tool signed in jaegertracing/jaeger

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