Jenkins
Open-source automation server for CI/CD with pipelines (declarative/scripted) and extensive plugins.
CI/CDPipelinesAutomationPluginsDevOps
- Stars
- 26,637
- Forks
- 9,835
- Contributors
- 1,220
About Jenkins
Jenkins is a widely-used, open-source automation server that enables teams to build, test, and deploy software through pipelines and jobs. It supports declarative and scripted pipelines (Jenkinsfile), integrates with a broad ecosystem via plugins, and can run agents across diverse environments. Jenkins is highly extensible and suitable for on-prem or cloud setups.
Key Features
Declarative & Scripted Pipelines (Jenkinsfile)
Large plugin ecosystem
Distributed builds with agents
Credentials management and secrets
Extensive integrations (SCM, artifact repos, clouds)
Parameterized builds, input steps, and approvals
Pros
Highly extensible via plugins
Mature and widely adopted community
Flexible deployment (on-prem, VM, container, Kubernetes)
Rich pipeline capabilities (multi-stage, parallel)
Cons
Managing plugins and upgrades can be complex
Operational overhead compared to managed CI services
UI/UX less modern versus newer hosted offerings
Tool Information
- Language
- Pipelines (Groovy DSL); server written in Java
- License
- MIT
- Maintainer
- Jenkins project / community