.NET vs Fastify
Updated Apr 26, 2026
Quick Verdict
Both .NET and Fastify are popular choices in the Backend Frameworks space.
GitHub Stars
.NET 37.9K
vs
Fastify 36.1K
Downloads/wk
.NET N/A
vs
Fastify 6.8M
Contributors
.NET 1.6K
vs
Fastify 879
Bundle Size
.NET N/A
vs
Fastify 132.9 KB
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
.NET
Fastify
GitHub Stars
37.9K
36.1K
Weekly Downloads
N/A
6.8M
Forks
10.6K
2.7K
Open Issues
3.9K
127
Contributors
1.6K
879
Bundle Size (gzip)
N/A
132.9 KB
Dependencies
N/A
15
Latest Version
N/A
5.8.5
Last Commit
Apr 25, 2026
Apr 24, 2026
License
MIT
MIT
First Published
Mar 11, 2014
Oct 7, 2016
Feature Comparison
Framework capabilities at a glance
Feature
.NET
Fastify
Typescript
Middleware
Websockets
Validation
Openapi
Edge Runtime
Decorators
Frequently Asked Questions
Common questions about .NET vs Fastify
Is .NET better than Fastify?
It depends on your use case. .NET is cross-platform framework for building modern cloud-based web applications, while Fastify is fast and low-overhead web framework for node.js. Compare the stats and features above to decide which fits your needs.
Is .NET still maintained in 2026?
Yes, .NET was last updated on April 25, 2026 and has 1,562 contributors.
Can I migrate from .NET to Fastify?
Migration complexity depends on how deeply .NET is integrated into your project. Both tools serve similar purposes in the Backend Frameworks space, so migration is generally feasible with proper planning.
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