head to head · open source
Harness vs Serverless-Devs
Harness has 38,378 GitHub stars, 3,397 forks, 106 open issues and last shipped 2 days ago. Serverless-Devs has 1,830 stars, 166 forks, 68 open issues and last shipped 8 months ago. Harness leads on adoption by 1,997% (38,378 vs 1,830 stars). Harness is written in Go under Apache-2.0; Serverless-Devs is written in TypeScript under Apache-2.0. Harness has attracted 9% as many forks as stars, Serverless-Devs 9%. Harness 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
| Harness | Serverless-Devs | |
|---|---|---|
| GitHub stars | ★ 38K | ★ 1.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | TypeScript |
| Last push | 2026-09-16 | 2026-02-01 |
| Forks | ⑂ 3.4K | ⑂ 166 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Harness if
- You weight community size — 38K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Serverless-Devs if
- You want the Serverless-Devs feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Serverless-Devs fits your workflow better
About Harness
Harness Open Source is an Apache 2.0, Go based developer platform that combines Git source control management, CI/CD pipelines, Gitspaces hosted development environments and artifact registries into one self hostable system for engineering teams that want end to end software delivery without stitching four separate products together.
read the full Harness overview →
About Serverless-Devs
Serverless Devs is open source serverless developer tool. It lives in serverless ecosystem. It gives toolchain for full lifecycle management. It solves problem of managing serverless projects across different cloud FaaS platforms with different tools. Developers can deploy serverless projects across multiple hosted FaaS platforms with one command line and Yaml spec. It also supports integration with other tools and platforms. It aims to reduce vendor lock in. It connects to Serverless Registry for package management. It is CNCF Sandbox project. It uses Apache 2.0 license. It is written in TypeScript.…
read the full Serverless-Devs overview →
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Frequently asked questions
Is Harness or Serverless-Devs more popular?
Harness has 38,378 GitHub stars and Serverless-Devs has 1,830. Harness has the larger community by that measure.
Are Harness and Serverless-Devs free?
Both are open source. Harness is licensed under Apache-2.0 and Serverless-Devs under Apache-2.0. Neither carries a licence fee.
What is the difference between Harness and Serverless-Devs?
Harness is written in Go and Serverless-Devs in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Harness or Serverless-Devs?
Choose Harness if you want the larger community (38,378 stars) or its Apache-2.0 licence terms. Choose Serverless-Devs if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.