Upstash is serverless Redis built for the world traditional Redis breaks in: serverless functions and the edge, where a persistent TCP connection means…

Appwrite is the open-source Firebase alternative: auth, database, storage, functions and realtime in one platform. 75K free MAU on Cloud, or self-host free.

Coolify is a free, open-source self-hosted PaaS: a one-command Apache 2.0 Heroku alternative for any VPS with push-to-deploy, auto-SSL & 280+ services.

Modal gives you serverless Nvidia GPUs in pure Python, billed by the second, with $30 in free compute credits every month. See what that actually buys.

Turso free plan verified against its pricing page in August 2026: 5GB storage and 100 databases, not the 9GB many write-ups claim. 500M reads but only 10M writes.

ZeroGPU gives free time-sliced GPU access with no credit card, but the hardware is no longer the A100 people still quote: it is an Nvidia RTX Pro 6000 Blackwell, 48 GB VRAM at large and 96 GB at xlarge.

Compare Qdrant, Pinecone, and Chroma free tiers for RAG: storage limits, hybrid search, self-host options, and a decision tree to pick the right free vector database.

Render free tier: 750 instance hours per workspace, unlimited static sites, a 30-day Postgres database and an in-memory Key Value store. No workers, no cron.

PlanetScale killed its free tier in 2024 — and developers have been scrambling for alternatives ever since. Supabase and Neon are the two best free...

Vercel, Netlify and Cloudflare Pages now meter three different things: CPU hours, a 300-credit pool, and requests. Re-verified free-tier numbers for 2026.