head to head · open source
Bruno vs scalecube-services
Bruno has 47,027 GitHub stars, 2,890 forks, 1,831 open issues and last shipped yesterday. scalecube-services has 638 stars, 111 forks, 17 open issues and last shipped 2 days ago. Bruno leads on adoption by 7,271% (47,027 vs 638 stars). Bruno is written in JavaScript under MIT; scalecube-services is written in Java under Apache-2.0. Bruno has attracted 6% as many forks as stars, scalecube-services 17%. Bruno 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.
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Side by side
| Bruno | scalecube-services | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 638 |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Java |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 2.9K | ⑂ 111 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Bruno if
- You weight community size — 47K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick scalecube-services if
- You want the scalecube-services feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and scalecube-services fits your workflow better
About Bruno
Bruno is a lightweight, open source API client and IDE for exploring and testing APIs, built for developers and teams who want their request collections stored as plain text in a folder on their own filesystem rather than in a vendor's cloud.
read the full Bruno overview →
About scalecube-services
scalecube services MICROSERVICES 2.0 ScaleCube is a microservices library designed for high throughput and lower latency, catering to scalable and reactive system needs. It excels in API gateway integration, service discovery, and load balancing, employing the SWIM protocol for efficient cluster management. Its modular architecture supports various pluggable communication modules, enabling seamless and flexible deployments. With a focus on real time stream processing and fault tolerance, ScaleCube ensures optimal performance and reliability for distributed microservices environments. Reactive microservices commun…
read the full scalecube-services overview →
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Frequently asked questions
Is Bruno or scalecube-services more popular?
Bruno has 47,027 GitHub stars and scalecube-services has 638. Bruno has the larger community by that measure.
Are Bruno and scalecube-services free?
Both are open source. Bruno is licensed under MIT and scalecube-services under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and scalecube-services?
Bruno is written in JavaScript and scalecube-services in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Bruno or scalecube-services?
Choose Bruno if you want the larger community (47,027 stars) or its MIT licence terms. Choose scalecube-services if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.