Cloudflare Workers
Serverless compute on Cloudflare's global network.
Free plan
Zero-cost access: 100,000 requests/day on Workers Free; 10 ms CPU time per invocation.
ZERO-COST ACCESS DATABASE
“Free” should mean something precise.
Permanent free plans and recurring free credits are included and labeled separately. One-time trials are not mixed into this view.
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Vercel
Frontend cloud and deployment platform.
Free plan
Zero-cost access: Hobby is free, but Vercel's Terms restrict Hobby use to personal or non-commercial use. Hobby teams have 10 GB deployment storage.
Supabase
Postgres-based backend platform with database, auth, storage and APIs.
Free planAPI
Zero-cost access: Free: unlimited API requests, 50,000 MAU, 500 MB database, 5 GB egress, 1 GB file storage; two active projects. Free projects pause after one week of inactivity.
Baserow
Open-source database and application platform with hosted and self-hosted options.
Free plan
Zero-cost access: Cloud Free includes 3,000 rows, 2 GB storage and 2,000 automation credits per workspace.
Resend
Email API for developers and AI agents.
Free planAPI
Zero-cost access: Free: 3,000 emails/month, 100/day, three domains and 10,000 automation runs.
Brave Search API
Independent web search API for applications, RAG pipelines and AI agents.
Free creditsAPIMCP
Zero-cost access: No standalone free plan. Each Search plan receives $5 in credits every month; at $5 per 1,000 Search requests, that is equivalent to up to 1,000 Search requests if used only for that endpoint.
Turso
SQLite-compatible database platform for application workloads.
Free plan
Zero-cost access: Free: 100 databases, 5 GB storage, 500 million monthly rows read, 10 million monthly rows written and 3 GB monthly syncs.
PostHog
Product analytics, session replay, feature flags, experiments and observability platform.
Free planMCP
Zero-cost access: Examples of current free allowances include 1 million product-analytics events/month, 5,000 session recordings/month, 1 million feature-flag requests/month and 1 million managed-warehouse rows/month. PostHog says no credit card is required to start.
Upstash Search
Managed keyword and semantic search service with reranking support.
Free planAPI
Zero-cost access: Free: 20,000 queries/month, up to 200,000 records, one free database and 1 GB total max data size.
Neon
Serverless Postgres platform with scale-to-zero compute.
Free plan
Zero-cost access: First-party pricing announcement states Free includes 10 projects, 50 CU-hours/month per project, 0.5 GB storage per project, 10 branches/project and 5 GB egress/month.