head to head · open source
esbuild vs ModularPipelines
esbuild has 40,120 GitHub stars, 1,368 forks, 622 open issues and last shipped 3 months ago. ModularPipelines has 559 stars, 24 forks, 33 open issues and last shipped yesterday. esbuild leads on adoption by 7,077% (40,120 vs 559 stars). esbuild is written in Go under MIT; ModularPipelines is written in C# under MIT. esbuild has attracted 3% as many forks as stars, ModularPipelines 4%. ModularPipelines 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
| esbuild | ModularPipelines | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 559 |
| License | MIT | MIT |
| Written in | Go | C# |
| Last push | 2026-08-09 | 2026-11-04 |
| Forks | ⑂ 1.4K | ⑂ 24 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick esbuild if
- You weight community size — 40K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick ModularPipelines if
- You want the ModularPipelines feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and ModularPipelines fits your workflow better
About esbuild
Website Getting started Documentation Plugins FAQ Why? Our current build tools for the web are 10 100x slower than they could be: The main goal of the esbuild bundler project is to bring about a new era of build tool performance, and create an easy to use modern bundler along the way. Major features: Extreme speed without needing a cache JavaScript, CSS, TypeScript, and JSX built in A straightforward API for CLI, JS, and Go Bundles ESM and CommonJS modules Bundles CSS including CSS modules Tree shaking, minification, and source maps Local server, watch mode, and plugins Check out the getting started instructions…
read the full esbuild overview →
About ModularPipelines
ModularPipelines Write CI/CD pipelines in C . Debug them locally. Ship with confidence. The Problem with YAML Pipelines You know the drill. You write some YAML, push it, wait for CI to start, watch it fail on a typo, fix it, push again, wait again. Repeat until you lose the will to live. YAML pipelines are: Impossible to debug locally "Works on my machine" but fails mysteriously in CI No compile time safety Typos in variable names? Enjoy your 10 minute feedback loop Copy paste hell Reusing logic means duplicating YAML and hoping you update all the copies Vendor lock in Switching from GitHub Actions to Azure…
read the full ModularPipelines overview →
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Frequently asked questions
Is esbuild or ModularPipelines more popular?
esbuild has 40,120 GitHub stars and ModularPipelines has 559. esbuild has the larger community by that measure.
Are esbuild and ModularPipelines free?
Both are open source. esbuild is licensed under MIT and ModularPipelines under MIT. Neither carries a licence fee.
What is the difference between esbuild and ModularPipelines?
esbuild is written in Go and ModularPipelines in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, esbuild or ModularPipelines?
Choose esbuild if you want the larger community (40,120 stars) or its MIT licence terms. Choose ModularPipelines if its feature set, stack or MIT licence fits better. Both are self-hostable.