head to head · open source
Bruno vs WireMock.Net
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. WireMock.Net has 1,682 stars, 239 forks, 21 open issues and last shipped 2 days ago. Bruno leads on adoption by 2,753% (47,992 vs 1,682 stars). Bruno is written in JavaScript under MIT; WireMock.Net is written in C# under Apache-2.0. Bruno has attracted 6% as many forks as stars, WireMock.Net 14%. 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 | WireMock.Net | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 1.7K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | C# |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 3.1K | ⑂ 239 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Bruno if
- You weight community size — 48K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick WireMock.Net if
- You want the WireMock.Net feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C#
- You evaluated both and WireMock.Net fits your workflow better
About Bruno
Bruno Opensource IDE for exploring and testing APIs. English Українська Русский Türkçe Deutsch Français Português (BR) 한국어 বাংলা Español Italiano Română Polski 简体中文 正體中文 العربية 日本語 ქართული Nederlands فارسی Bruno is a new and innovative API client, aimed at revolutionizing the status quo represented by Postman and similar tools out there. Bruno stores your collections directly in a folder on your filesystem. We use a plain text markup language, Bru, to save information about API requests. You can use Git or any version control of your choice to collaborate over your API collections. Bruno is offline only. There…
read the full Bruno overview →
About WireMock.Net
WireMock.Net A C .NET version based on mock4net which mimics functionality from the original Java based WireMock. :books: Full documentation can now be found at wiremock.org :star: Key Features HTTP response stubbing, matchable on URL/Path, headers, cookies and body content patterns Library can be used in unit tests and integration tests Runs as a standalone process, as windows service, as Azure/IIS or as docker Configurable via a fluent C .NET API, JSON files and JSON over HTTP Record/playback of stubs (proxying) Per request conditional proxying Stateful behaviour simulation Response templating / transformation…
read the full WireMock.Net overview →
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Frequently asked questions
Is Bruno or WireMock.Net more popular?
Bruno has 47,992 GitHub stars and WireMock.Net has 1,682. Bruno has the larger community by that measure.
Are Bruno and WireMock.Net free?
Both are open source. Bruno is licensed under MIT and WireMock.Net under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and WireMock.Net?
Bruno is written in JavaScript and WireMock.Net 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, Bruno or WireMock.Net?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose WireMock.Net if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.