head to head · open source
ansible vs nextflow
ansible has 70,721 GitHub stars, 24,333 forks, 837 open issues and last shipped yesterday. nextflow has 3,487 stars, 811 forks, 422 open issues and last shipped yesterday. ansible leads on adoption by 1,928% (70,721 vs 3,487 stars). ansible is written in Python under GPL-3.0; nextflow is written in Groovy under Apache-2.0. ansible has attracted 34% as many forks as stars, nextflow 23%. nextflow was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 15422 open source comparisons
Side by side
| ansible | nextflow | |
|---|---|---|
| GitHub stars | ★ 71K | ★ 3.5K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | Groovy |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 24K | ⑂ 811 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ansible if
- You weight community size — 71K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick nextflow if
- You want the nextflow feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Groovy
- You evaluated both and nextflow fits your workflow better
About ansible
Ansible is a radically simple, agentless IT automation platform, written in Python and licensed under GPL 3.0, that handles configuration management, application deployment, cloud provisioning, ad hoc task execution, network automation, and multi node orchestration for operators, developers, and network and cloud teams who manage machines over plain SSH.
read the full ansible overview →
About nextflow
Nextflow is an open source workflow system for scalable, portable, and reproducible computational pipelines. It is written in Groovy, released under Apache 2.0, and built around a domain specific language for data driven workflows. The project lives in the infrastructure and operations ecosystem, especially orchestration and scheduling, and its topics include bioinformatics, cloud, Docker, high performance computing, and reproducible research.
read the full nextflow overview →
More in Infrastructure & Operations
Related comparisons
More Orchestration & Scheduling projects
Compare either of these against the rest of the Orchestration & Scheduling field.
Frequently asked questions
Is ansible or nextflow more popular?
ansible has 70,721 GitHub stars and nextflow has 3,487. ansible has the larger community by that measure.
Are ansible and nextflow free?
Both are open source. ansible is licensed under GPL-3.0 and nextflow under Apache-2.0. Neither carries a licence fee.
What is the difference between ansible and nextflow?
ansible is written in Python and nextflow in Groovy. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ansible or nextflow?
Choose ansible if you want the larger community (70,721 stars) or its GPL-3.0 licence terms. Choose nextflow if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.