mastodon vs zipkin

mastodon and zipkin share 6 technologies: React, react-router-dom, Vite, history, classnames, and prop-types. mastodon is written in Ruby and zipkin in Java.

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What they share and what sets them apart

mastodon

mastodon

Your self-hosted, globally interconnected microblogging community

Ruby50.5kRead on November 5, 2026, at commit 4971068What is mastodon built with?

Only in mastodon

In common

Only in zipkin

  • caffeine
  • kafka-clients
  • MariaDB
  • org.apache.cassandra:java-driver-core
  • spring-boot-starter-cache
  • Apache
  • MySQL
  • org.apache.pulsar:pulsar-client
  • RabbitMQ
  • com.zaxxer:HikariCP
  • Spring
  • org.springframework.cloud:spring-cloud-starter-netflix-eureka-server
  • org.jooq:jooq
  • jcl-over-slf4j
  • jul-to-slf4j
  • log4j-1.2-api
  • log4j-core
  • micrometer-bom
  • micrometer-registry-prometheus
  • micrometer-registry-prometheus-simpleclient
  • org.apache.logging.log4j:log4j-jul
  • org.springframework.boot:spring-boot-starter-actuator
  • slf4j-simple
  • spring-boot-starter-log4j2
  • zipkin-reporter-brave
  • org.slf4j:slf4j-api
  • io.micrometer:micrometer-core
  • styled-components
  • @material-ui/styles
  • material-ui
  • react-virtualized-auto-sizer
  • react-window
  • recharts
  • @material-ui/icons
  • Font Awesome

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
mastodon313,029 lines written3,303 code files
zipkin73,675 lines written326 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.
mastodon0% of its commits signed by AIWith Claude Code
zipkin0% of its commits signed by AI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
mastodonLast push November 5, 202622,532 commits50,491 stars
zipkinLast push August 6, 20262,780 commits17,473 stars
TestsThe files that test the code, and the share of code files a test imports.
mastodon1,315 test files25.5% of its code files have a test that imports them
zipkin231 test files54.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, mastodon or zipkin?
mastodon, with 313,029 lines written; zipkin has 73,675.

The proof: mastodon/mastodon's code at commit 4971068

Which has more GitHub stars, mastodon or zipkin?
mastodon, with 50,491 stars; zipkin has 17,473.

The proof: mastodon/mastodon on GitHub

Which has more tests, mastodon or zipkin?
mastodon, with 1,315 test files; zipkin has 231.

The proof: mastodon/mastodon's code at commit 4971068

Which was updated more recently, mastodon or zipkin?
mastodon: its last push was on November 5, 2026, and zipkin's on August 6, 2026.

The proof: mastodon/mastodon's commits on GitHub

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