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Best Backend-as-a-Service (BaaS) Tools

Explore leading tools in the Backend-as-a-Service (BaaS) category, including open-source options and SaaS products. Compare features, use cases, and find the best fit for your workflow.

10+ open-source projects · 3 SaaS products

Explore open-source projectsCompare SaaS products

Top open-source Backend-as-a-Service (BaaS)

These projects are active, self-hostable choices for knowledge management teams evaluating alternatives to SaaS tools.

View all 10+ open-source options
Supabase logo

Supabase

Postgres platform delivering Firebase-like features with open-source tools

Backend-as-a-Service (BaaS)
Stars
96,499
License
Apache-2.0
Last commit
8 hours ago
TypeScriptActive
PocketBase logo

PocketBase

Single‑file Go backend with realtime, auth, and file storage

Backend-as-a-Service (BaaS)
Stars
55,447
License
MIT
Last commit
2 days ago
GoActive
Appwrite logo

Appwrite

End-to-end backend platform for web, mobile, and native apps

Backend-as-a-Service (BaaS)
Stars
54,483
License
BSD-3-Clause
Last commit
8 hours ago
TypeScriptActive
Parse Server logo

Parse Server

Self‑hosted Node.js backend compatible with MongoDB, PostgreSQL, and GraphQL

Backend-as-a-Service (BaaS)
Stars
21,347
License
Apache-2.0
Last commit
2 days ago
JavaScriptActive
Instant logo

Instant

Real-time database for your frontend with multiplayer by default

Backend-as-a-Service (BaaS)
Stars
9,643
License
Apache-2.0
Last commit
13 hours ago
ClojureActive
Convex logo

Convex

Reactive TypeScript database for live-updating web applications

Backend-as-a-Service (BaaS)
Stars
9,557
License
—
Last commit
20 hours ago
RustActive
Most starred project
Supabase
96,499★

Postgres platform delivering Firebase-like features with open-source tools

Recently updated
Supabase
8 hours ago

Supabase offers a hosted Postgres database with built-in auth, auto-generated REST/GraphQL APIs, realtime subscriptions, edge functions, storage, and AI tooling—all managed via a unified dashboard.

Dominant language
TypeScript • 5 projects

Expect a strong TypeScript presence among maintained projects.

Popular SaaS Platforms to Replace

Understand the commercial incumbents teams migrate from and how many open-source alternatives exist for each product.

Backendless logo

Backendless

Backend-as-a-Service with database, realtime, auth, files, and cloud code

Backend-as-a-Service (BaaS)
Alternatives tracked
17 alternatives
Firebase logo

Firebase

Backend services for auth, database, storage, and messaging

Backend-as-a-Service (BaaS)
Alternatives tracked
17 alternatives
Supabase logo

Supabase

Open source Firebase alternative backend

Backend-as-a-Service (BaaS)
Alternatives tracked
16 alternatives
Most compared product
Backendless
10+ open-source alternatives

Backendless provides a hosted backend with a scalable data store, realtime subscriptions, user authentication/RBAC, file storage, and messaging (pub/sub, push, email/SMS). It auto-generates REST APIs and SDKs, supports visual Codeless logic and serverless Cloud Code (Java/JS), and includes a UI Builder to ship apps faster.

Leading hosted platforms
Backendless, Firebase, Supabase

Frequently replaced when teams want private deployments and lower TCO.

Explore related categories

Browse neighbouring categories in DevOps & Platform to widen your evaluation.