Who switches to what

Public pull requests on GitHub since Oct 2024 whose title says one tool "to" another — "migrate from Firebase to Supabase". Each move with 30 or more has its own page: when they moved, what they moved, and the PRs themselves.

AI Coding Assistants

Cursor → Claude Code48 PRs · 10 back
Claude Code → OpenCode44 PRs · 28 back
OpenAI Codex → Claude Code43+ PRs · 34 back
GitHub Copilot → Claude Code40 PRs · 28 back
Claude Code → OpenAI Codex34+ PRs · 43 back

Authentication

Supabase → Clerk54 PRs · 53 back
Clerk → Supabase53 PRs · 54 back
Clerk → Better Auth33 PRs · 4 back

Backend Framework

Express → Fastify68 PRs · 7 back
Django → FastAPI43 PRs · 25 back
Express → Hono42 PRs · 5 back

Database

Firebase → Supabase297 PRs · 113 back
Supabase → Neon170 PRs · 63 back
Supabase → Firebase113 PRs · 297 back
MongoDB → Supabase75 PRs · 29 back
Neon → Supabase63 PRs · 170 back
Supabase → Convex50 PRs · 19 back
PostgreSQL → Neon41 PRs · 25 back
MongoDB → PostgreSQL38 PRs · 23 back

Database Access & ORMs

Prisma → Drizzle ORM140 PRs · 27 back

Frontend Framework

Next.js → Astro178 PRs · 48 back
React → Astro123 PRs · 21 back
Next.js → TanStack Start92 PRs · 9 back
React → Next.js73+ PRs · 21 back
React Router → Next.js49 PRs · 25 back
Astro → Next.js48 PRs · 178 back

Hosting

Vercel → Cloudflare242 PRs · 83 back
Netlify → Cloudflare125 PRs · 15 back
Vercel → Render123 PRs · 61 back
Netlify → Vercel117 PRs · 65 back
Vercel → Railway94 PRs · 29 back
Cloudflare → Vercel83 PRs · 242 back
Vercel → Netlify65 PRs · 117 back
Render → Vercel61 PRs · 123 back
Railway → Render57 PRs · 35 back
Amazon Web Services → Cloudflare39+ PRs · 10 back
Vercel → Amazon Web Services38 PRs · 15 back
Render → Railway35 PRs · 57 back

LLM API

OpenAI API → Gemini API178+ PRs · 90 back
Gemini API → Groq152 PRs · 64 back
OpenAI API → Claude127 PRs · 88 back
Gemini API → Claude108+ PRs · 104 back
Claude → Gemini API104+ PRs · 108 back
Gemini API → OpenAI API90+ PRs · 178 back
Claude → OpenAI API88 PRs · 127 back
Groq → Gemini API64 PRs · 152 back
OpenAI API → Groq50 PRs · 25 back

Transactional Email

SendGrid → Resend60 PRs · 17 back