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Apache Camel — compose system integrations with connectors and Enterprise Integration Patterns

OSS scale score 298.7OSS health 95Update pace 872 commits/30d
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Stars
6,334
Primary language
Java
License
Apache-2.0
Repository last updated
Sep 19, 2026

Overview

Apache Camel is an integration framework for connecting databases, REST APIs, message brokers such as Kafka, and cloud services. It provides more than 350 connectors and Enterprise Integration Patterns, with routes defined in Java, YAML, or XML and run on Spring Boot, Quarkus, or standalone Camel CLI.

Features and best fit

Based on official documentation; not hands-on tested · Content checked:

Connect 350+ systems through a common route model

Kafka, JDBC, REST, AWS/Azure/GCP, Salesforce, and many other components can be addressed as endpoints in reusable integration flows.

Sources: [2][5]

Express filtering, splitting, aggregation, and error handling as EIPs

Enterprise Integration Patterns provide DSL-level building blocks for routing, transformation, aggregation, retries, and other integration concerns.

Sources: [2][6]

For integration layers spanning APIs, brokers, and enterprise systems

Camel fits environments where point-to-point adapters have multiplied and teams want a consistent model for service and event routing.

Sources: [2]

Design for route complexity and connector/runtime dependencies

A broad connector set also creates dependency and operational complexity. Split routes by responsibility and plan dead-letter/error handling, observability, and compatibility testing during upgrades.

Sources: [4]

Official sources

  1. [1]apache/camel repository(2026-09-20)
  2. [2]Apache Camel README(2026-09-20)
  3. [3]Apache Camel Apache-2.0 license(2026-09-20)
  4. [4]Apache Camel documentation(2026-09-20)
  5. [5]Apache Camel components catalog(2026-09-20)
  6. [6]Apache Camel Enterprise Integration Patterns(2026-09-20)
Supplemental curator note

Camel is useful when integration logic should be expressed as explicit routes and Enterprise Integration Patterns instead of being scattered across custom adapters. The same model can run on Spring Boot, Quarkus, or standalone with 350+ connectors, but large route graphs still need deliberate modularity, observability, and error handling.

Try it in 3 steps

  1. 1

    Install the Camel CLI

    Use the official Camel CLI/JBang setup so the camel command is available.

    https://camel.apache.org/manual/camel-jbang.html
  2. 2

    Generate a minimal YAML route

    Use the generated starter route to inspect the Camel DSL and project structure.

    camel init hello.yaml
  3. 3

    Run the route

    Start the route in the standalone runtime and verify the basic Camel route lifecycle.

    camel run hello.yaml
Check the official README

Growth

Growth trends · Last 30 days

6,334 Stars

Trend data is still being collected.

Development activity

Last 90 days · weekly

Commits (last 30 days)
872
Open PRs
41
Issues opened
0
Issues closed
0
PRs opened
2,429
PRs merged
2,250

Issues

0 / 0

Jun 23Sep 20
Issues openedIssues closed

Pull requests

2,429 / 2,250

Jun 23Sep 20
PRs openedPRs merged

Maintenance

Median first response
Not specified
Issue response rate
No eligible issues

Based on up to the 100 newest issues opened by external users in the last 90 days. A first comment from an OWNER, MEMBER, or COLLABORATOR counts as a response; issues whose full comment history cannot be checked are excluded. The median and response rate update weekly.

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GitHub data

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GitHub Topics

  • camel
  • integration
  • java
  • microservices
  • cloud-native
  • data-transformation
  • enterprise-integration-patterns
  • integration-framework
  • kafka
  • kubernetes
  • mcp
  • middleware
Stars
6,334
Forks
5,161
Watchers
261
Open issues
0
Contributors
327
Primary language
Java
License
Apache-2.0
Repository last updated
Sep 19, 2026
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