Postgres development platform
Backend as a ServiceFree plan availableOpen SourceSelf-hosted
- Postgres Database
- Authentication & RLS
- Instant APIs
Best SpacetimeDB Alternatives in 2026
7 top Backend as a Service tools you can use instead of SpacetimeDB, with pricing and key features.
SpacetimeDB
Multiplayer at the speed of light
- In-database deployment
- Direct client access
- Module-driven primitives
- Operational minimalism
SpacetimeDB alternatives
All-in-one cloud platform
Backend as a ServiceFree plan availableOpen Source
- Authentication & User Management
- Database & Storage
- Functions & Serverless
The reactive database for app developers
Backend as a ServiceFree plan availableOpen Source
- Everything is code
- Always in sync
- Backend built-ins
Type-safe backend framework
Backend as a ServiceFree plan availableOpen SourceSelf-hosted
- API exposure
- Infrastructure as code (type-safe)
- One-line database definition
Google's Mobile and Web App Development Platform
Backend as a ServiceFree plan available
- App Hosting
- SQL Connect
- Firebase AI Logic
The best backend for AI-coded apps
Backend as a ServiceOpen Source
- CLI-first workflow
- Real-time data and presence
- End-to-end type safety
Postgres Backend to Build, Deploy & Scale
Backend as a ServiceFree plan availableOpen Source
- PostgreSQL Database
- GraphQL API
- Authentication
Frequently Asked Questions
What is SpacetimeDB?
SpacetimeDB is a Backend as a Service tool: Multiplayer at the speed of light. It has a free plan. It is open source. Key features include In-database deployment, Direct client access, Module-driven primitives and Operational minimalism.
Are there free alternatives to SpacetimeDB?
Yes. Supabase, Appwrite, Convex, Encore, Firebase and Nhost have a free plan. SpacetimeDB also has a free plan.