Migrate from Express to Fastify
68 public pull requests on GitHub since Oct 2024, in 55 repos, say they move a project from Express to Fastify. 7 go the other way. Real code changes by developers in general, not only makers — read from the titles, so a PR is counted when its title says "Express to Fastify".
When they moved
Pull requests a month. Most are recent: 58 in the last 13 months against 10 before. The busiest month was Dec 2025 (12).
What they move
The part of the app a pull request's title names — "migrate auth from Express to Fastify". Many titles name none, so the shares don't add up to 100%.
- Docs28% 19 of 68
- API and functions15% 10 of 68
The newest 20 pull requests
- feat(api): migrate HTTP layer from Express to Fastify 5Aman-Org/node-express-realworld-example-app · 2026-09-28
- docs: update architecture guide from Express to Fastifyopenhoat/rag-hub-mcp · 2026-09-12
- Feature/migrate express to fastify prismaResearchPulse/sjs-be · 2026-09-02
- Migrate MCP app from Express to Fastify and add MCP resources/promptslarrybwosi/scryme · 2026-08-28
- docs: add Express to Fastify migration guideNiema-121/fastify · 2026-08-25
- docs: add Express to Fastify migration guidefastify/fastify · 2026-08-20
- Revert "feat(nestjs): switch the HTTP adapter from Express to Fastify"rolling-scopes/rsschool-app · 2026-08-12
- feat(nestjs): switch the HTTP adapter from Express to Fastifyrolling-scopes/rsschool-app · 2026-08-12
- perf(server): migrate from Express to FastifyRushdiJa/LogForge · 2026-08-11
- docs: add Express to Fastify migration guidelawgems/newtest3 · 2026-08-05
- docs: add Express to Fastify migration guideDSB2007/fastify · 2026-07-31
- docs: add Express to Fastify migration guidefastify/fastify · 2026-07-24
- docs: add Express to Fastify migration guide1sballesteros/fastify · 2026-07-24
- docs: add Express to Fastify migration guidewws-exploration/fastify · 2026-07-21
- docs: add Express to Fastify migration guidefastify/fastify · 2026-07-15
- Revert "feat: migrate HTTP platform from Express to Fastify"safe-global/safe-client-gateway · 2026-07-13
- docs: add Express to Fastify migration guidefastify/fastify · 2026-07-13
- docs: add Express to Fastify migration guidefastify/fastify · 2026-07-09
- Migrate backend from Express to Fastifysagilevanon/hon-shilton · 2026-06-26
- feat: migrate HTTP platform from Express to Fastifysafe-global/safe-client-gateway · 2026-06-23
Express and Fastify, side by side
Among makers' products we track for backend framework: Express 3, Fastify 0.
Where else Fastify's newcomers come from
FastAPI4 PRs
Questions
How many projects have moved from Express to Fastify?
68 public pull requests on GitHub since Oct 2024, in 55 repos, have a title saying they move from Express to Fastify.
Do projects move back from Fastify to Express?
Yes: 7 pull requests over the same time go from Fastify to Express, against 68 from Express to Fastify.
What do people move first from Express to Fastify?
Of the pull request titles, 28% name docs, 15% name API and functions.
GitHub search, Oct 2026 (as of 2026-10-02).