Top Open Source Projects using Apache Kafka

A curated collection of the 7 best free and open-source projects built using Apache Kafka. Discover popular repositories, architecture patterns, and trending software in 2026.

7 projects indexedExplore all tech stacks →

Databuddy

AGPL-3.0

★ 1,139

Get powerful web analytics with zero cookies, 100% GDPR compliance, and full data ownership. Lightweight 3KB script delivers real-time insights without compromising user privacy.

TypescriptMDXCSSSwift+27

Uptime Kuma

MIT

★ 90,660

Monitors websites, APIs, and services with real-time alerts, a status page, and support for dozens of notification channels. Self-hosted and Docker-friendly.

JavaScriptVueTypescriptSCSS+18

Umami

MIT

★ 38,392

A lightweight, open-source alternative to Google Analytics that respects user privacy and provides valuable insights.

TypescriptJavaScriptCSSDockerfile+24

Trench

MIT

★ 1,661

Open source analytics platform built on ClickHouse and Kafka, offering high-speed event tracking and real-time querying capabilities.

TypescriptMDXJavaScriptShell+21

Pipeshub

Apache-2.0

★ 3,694

Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across their stack.

PythonTypescriptShellHTML+30

Highlight

NOASSERTION

★ 9,370

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

TypescriptGoJavaScriptPython+31

Dittofeed

MIT

★ 2,914

Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.

TypescriptMDXCSSJavaScript+33