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bsideup/liiklus

Liiklus is a modular event streaming platform that manages message positions and records across various storage backends like Kafka, Pulsar, and Redis. It provides a pluggable architecture allowing for custom record processing, authentication, and transport protocols such as gRPC and RSocket. The system supports CloudEvents, schema validation, and metrics export, enabling flexible integration with diverse messaging and storage systems.

60.9

Adequate · 31 July 2026

3.8k

lines of production code

Java

primary language

2

bus factor · 8 authors in all

4

measurements over time

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How it got here

2018 · Modular plugin architecture and storage abstraction

The project underwent a major architectural shift to support a modular, plugin-based design, replacing hardcoded Kafka dependencies with abstract storage interfaces. This period established the foundation for pluggable record and position backends, such as DynamoDB and in-memory stores, while introducing CloudEvents support and a Test Compatibility Kit to validate diverse storage implementations.

28 changes

2019–2020 · transport and storage plugin expansion

This period focused on expanding the system's capabilities by introducing new plugins for records and positions storage using Apache Pulsar and Redis. It also added support for RSocket and secured gRPC transport with authentication and TLS encryption, while exposing Prometheus metrics for monitoring.

7 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 31 July 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit 9a5bb00fa8 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
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