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falcoframework/Falco

Falco is an F# web framework for ASP.NET Core that provides a structured approach to building HTTP services. It features a comprehensive routing API, automatic CSRF validation, and request body size limiting. The system supports diverse response types including HTML, JSON, and binary data, with examples demonstrating integration with SQLite, external template engines, and dependency injection.

64.2

Adequate · 20 July 2026

2.6k

lines of production code

F#

primary language

1

bus factor · 25 authors in all

2

measurements over time

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How it got here

2020–2021 · Falco framework v6.0.0 release

This period was defined by the release of Falco 6.0.0, which introduced a comprehensive new HTTP handling and routing API alongside automatic CSRF validation and request size limits. The update also included a major dependency upgrade to .NET 10 and added extensive test coverage for the new core modules.

6 changes

2022–2025 · Example expansion and documentation

This period focused on expanding the project's example suite to demonstrate various integration patterns, including ASP.NET Core MVC, SQLite, dependency injection, external view engines, and OpenAPI. The documentation site was also redesigned to better showcase these new examples and security features.

12 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 20 July 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit f234447142 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.17. Score the same commit under that rubric and you get the same number.
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