Jenkins
Twenty
| Feature | Jenkins | Twenty |
|---|---|---|
| Pricing | Free only | Free only |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.2 / 5 | 4.2 / 5 |
| Best For | enterprise-teams, on-premise-deployments, complex-pipelines, legacy-systems | startups, developers, privacy-focused-businesses, open-source-enthusiasts |
| Founded | 2011 | 2023 |
| Pipeline As Code | ✓ | ✗ |
| Plugins | ✓ | ✗ |
| Distributed Builds | ✓ | ✗ |
| Pipeline Visualization | ✓ | ✗ |
| Scm Integration | ✓ | ✗ |
| Artifact Management | ✓ | ✗ |
| Notifications | ✓ | ✗ |
| Contacts Management | ✗ | ✓ |
| Pipeline | ✗ | ✓ |
| Email Integration | ✗ | ✓ |
| Custom Objects | ✗ | ✓ |
| Graphql Api | ✗ | ✓ |
| Calendar Sync | ✗ | ✓ |
| Task Management | ✗ | ✓ |
✓ Jenkins Pros
- Completely free and open source
- Extremely extensible with 1,800+ plugins
- Mature and battle-tested over many years
- Supports any programming language and platform
✗ Jenkins Cons
- Dated UI feels old compared to modern CI tools
- Requires significant maintenance and administration
- Groovy-based Jenkinsfiles have steep learning curve
✓ Twenty Pros
- Completely open-source and free to self-host
- Modern, beautiful UI rivaling paid CRMs
- Flexible data model with custom objects
- GraphQL API for developers
✗ Twenty Cons
- Young project with frequent breaking changes
- Fewer integrations than mature CRMs
- Self-hosting requires technical expertise
The Verdict
Jenkins is built for enterprise teams and on premise deployments, with a focus on pipeline-as-code and plugins. Twenty targets startups and developers and leads with contacts-management and pipeline.
Both tools use custom enterprise pricing — you'll need to contact sales for a quote, which makes direct cost comparison difficult.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.