Skip to main content
Castov
Head-to-Head NPM Comparison

fastifyvs@nestjs/core

Detailed package comparison for bundle size, weekly downloads, supply chain security, and license obligations.

Weekly Downloads Leader
@nestjs/core9.4M/wk
Security Grade Leader
Equal Rating100/100
TypeScript Ready
Both Native
Specification
fastifyv5.12.7
@nestjs/corev12.2.0
Weekly Downloads9.3M9.4MWinner
Unpacked Size2.83 MB738.5 KB
Security Grade
A+(100/100)
A+(100/100)
Lifecycle Scripts Clean (No scripts) Clean (No scripts)
TypeScript Support Built-in Types (.d.ts) Built-in Types (.d.ts)
License TypeMITPERMISSIVEMITPERMISSIVE
Direct Dependencies155
Active Maintainers51
Last ReleaseOct 13, 2026Oct 19, 2026
Install Commandnpm i fastifynpm i @nestjs/core
Full Security ReportView fastify AuditView @nestjs/core Audit
Free Castov VS Code Tool

Compare Dependencies Directly in VS Code

Audit supply chain risks, compare lightweight alternative packages, and catch malicious install scripts straight inside your package.json editor.

Download VS Code Extension

More Popular Package Comparisons

express vs fastifyexpress vs @nestjs/corefastify vs honokoa vs fastify

Frequently Asked Questions

Which package is more popular, fastify or @nestjs/core?
@nestjs/core is currently more popular with higher weekly downloads (9.4M/week) compared to fastify (9.3M/week).
Which has better supply chain security, fastify or @nestjs/core?
fastify has a security score of 100/100 (Grade A+), while @nestjs/core holds 100/100 (Grade A+). Both packages have equal security standings.
Do fastify and @nestjs/core provide TypeScript definitions?
fastify includes built-in TypeScript types, while @nestjs/core includes native TypeScript definitions.
What licenses do fastify and @nestjs/core use?
fastify is published under the MIT license (PERMISSIVE), and @nestjs/core is licensed under MIT (PERMISSIVE).