InstantDB vs Manifest
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
Manifest
Open-source backend defined from a single YAML file
| Feature | InstantDB | Manifest |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 91 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | AGPL-3.0 | MIT |
| Language | TypeScript | TypeScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, source | docker, source |
| GitHub stars | ★ 10,521 | ★ 7,541 |
| First released | 2024 | 2024 |
| Replaces | Firebase | Firebase, Supabase |
What are InstantDB and Manifest?
InstantDB
Instant is an open-source realtime database that gives apps offline-first relational queries and instant sync. The backend server can be self-hosted to keep app data on your own infrastructure.
- Realtime sync
- Relational queries
- Offline support
- Self-hostable backend
Manifest
Manifest is an open-source backend that lets you define a complete REST API, database and admin panel from a single YAML file. It is self-hosted and aimed at rapid backend development.
- Backend from one YAML file
- Auto-generated REST API
- Built-in admin panel
- Self-hostable
InstantDB vs Manifest: key differences
Both projects are written in TypeScript. Licensing differs — AGPL-3.0 for InstantDB versus MIT for Manifest. Manifest is the lighter option, starting around 512 MB of RAM against 1,024 MB for InstantDB.
Why pick each one
Choose InstantDB if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Mature project with 10.5k GitHub stars
- Written in TypeScript
Choose Manifest if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Mature project with 7.5k GitHub stars
Frequently asked questions
Is InstantDB or Manifest better?
Neither is universally better. InstantDB has the larger community, while Manifest is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are InstantDB and Manifest free and open-source?
Yes. InstantDB is licensed under AGPL-3.0 and Manifest under MIT. Both can be self-hosted at no software cost.
Can I run InstantDB and Manifest with Docker?
InstantDB: yes. Manifest: yes.
Which is lighter on resources, InstantDB or Manifest?
Manifest has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for InstantDB. Real-world usage depends on library size, user count, and enabled features.