Indie alternatives to Supabase
Postgres, auth, storage, realtime—open‑source Firebase vibes without vendor lock‑in.
9 Alternatives Found
Submit Your ProductSupabase offers a powerful open-source Firebase alternative, combining Postgres, authentication, and storage in one platform. While it is a robust choice for many, some developers find its complexity, pricing structure, or specific feature gaps overwhelming for smaller projects or niche use cases.
This page lists small, independent tools that handle specific jobs Supabase does, often with simpler setups or better pricing. You might use FormSubmit for static forms, Userbase for lightweight auth, or SheetSandbox for quick MVP databases, letting you pick only what you need.
The agentic form backend for static websites.
Why it's an alternative to Supabase: Developers using Supabase as a backend for form submissions can switch to FormSubmit for a specialized, zero-code form backend that requires no database schema management or server-side code.
Built by Nikunj Thakkar
Pay-as-you-go credits. 100 credits = $10. 1 credit = 1 submission. Bigger packs cost less per submission (down to $0.07). Credits never expire.
Zero-config database and storage — no Redis, no S3, no setup
Why it's an alternative to Supabase: Users seeking a simpler, serverless-first database experience without managing Postgres instances or connection pools may switch to Owl NoSQL for its automatic edge caching and zero-config setup.
Built by Chiemika Nwachukwu
Free forever plan available
Turn Google Sheets into your MVP Database.
Why it's an alternative to Supabase: Developers looking for a quick, serverless backend for MVPs often consider Supabase; SheetSandbox offers a simpler, lower-cost alternative by leveraging Google Sheets as the data store without needing to manage a dedicated database instance.
One-time payment of $6.99 for the Pro Plan, which includes 5,000 API calls daily, unlimited Google Sheets, AI-generated forms, and SDKs.
Logins and persistence for static sites
Why it's an alternative to Supabase: Users of Supabase looking for a simpler, client-side-first authentication and database solution that requires no backend management can switch to Userbase.
Built by Daniel Vassallo
Free tier available (1 web app, 100 users, 100 MB storage). Paid 'Prod' plan is $89/year. Storage add-ons available.
Your AI developer that ships full-stack apps from a single prompt.
Why it's an alternative to Supabase: Developers using Supabase for backend infrastructure (database, auth, hosting) can use Macaly's agent to automatically provision and manage these components via natural language.
See website for pricing
Reverse phone verification service, from 0.01€ / valid phone verification worldwide
Why it's an alternative to Supabase: Phone-Verif handles user authentication via WhatsApp, covering the auth core job Supabase provides, though it lacks Supabase's database and storage capabilities.
Built by Erwann
From 0.01€ per successful verification. Failed attempts cost nothing.A backend for your coding agent, in one cloud.
Why it's an alternative to Supabase: Supabase is the primary alternative for developers seeking a unified backend with Postgres, Auth, and Storage; Vectoree competes by bundling these with AI model access and agent-specific tooling.
Built by Vectoree Team
Pay per token, no monthly fee; $5 welcome credit.
High performance, AI-native object store with S3 API included
Why it's an alternative to Supabase: Developers using Supabase Storage who need to handle multi-GB model files and require S3-compatible APIs with AI-specific optimizations like partial reads can use Anvil as a more performant, self-hosted alternative.
See website for pricing
A pleasant Postgres browser for working with real data
Why it's an alternative to Supabase: Supabase provides a built-in Table Editor for browsing Postgres data, but Simpl. offers a dedicated, more polished desktop interface with advanced filtering, relationship navigation, and schema diagrams that Supabase's native tool lacks.
One-time payment of $49 for lifetime access, including a 14-day free trial.Supabase alternatives: FAQ
Is there a cheaper alternative to Supabase for simple form submissions?
Yes, FormSubmit offers a pay-as-you-go model where 100 credits cost $10, making it a cost-effective specialized backend for static sites without the overhead of a full database.
What is the best free alternative to Supabase for user authentication?
Userbase provides a free tier for up to 100 users and 100 MB of storage, offering a simpler, client-side-first authentication solution that requires no backend management.
Can I use Google Sheets as a cheaper database instead of Supabase?
SheetSandbox allows you to turn Google Sheets into an MVP database for a one-time payment of $6.99, providing a lower-cost serverless alternative without managing a dedicated Postgres instance.
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