ParadeDB vs ZincSearch
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | ParadeDB | ZincSearch |
|---|---|---|
| Deploy effort | ≈5-minute setup | Under-an-hour setup |
| Health score | 92 · Excellent | 15 · At risk |
| Status | Actively maintained | Archived |
| Category | Search Engines | Search Engines |
| License | AGPL-3.0 | Apache-2.0 |
| Language | Rust | Go |
| Setup difficulty | Medium | Easy |
| Min. RAM | 1,024 MB | 256 MB |
| Deployment | docker, source | docker, kubernetes, binary |
| GitHub stars | ★ 9,301 | ★ 17,881 |
| First released | 2023 | 2021 |
| Replaces | Elasticsearch | Elasticsearch, Algolia |
What are ParadeDB and ZincSearch?
ParadeDB
ParadeDB is an open-source PostgreSQL-based platform that adds Elasticsearch-grade full-text search and analytics directly inside the database. It uses BM25 indexing so search can run alongside existing relational data.
- Search inside Postgres
- BM25 full-text indexing
- Analytical queries
- No separate search cluster
ZincSearch
ZincSearch is a lightweight, single-binary search engine that aims to be a simple, low-resource alternative to Elasticsearch. It provides a web UI and an Elasticsearch-compatible ingestion API.
- Single binary deployment
- Built-in web UI
- Elasticsearch-compatible bulk API
- Low resource requirements
ParadeDB vs ZincSearch: key differences
The biggest difference is maintenance: ZincSearch's repository is archived and no longer developed, while ParadeDB is actively maintained. ParadeDB is written in Rust, while ZincSearch is built with Go. Licensing differs — AGPL-3.0 for ParadeDB versus Apache-2.0 for ZincSearch. ZincSearch is the lighter option, starting around 256 MB of RAM against 1,024 MB for ParadeDB. ZincSearch is the more established project (first released 2021), while ParadeDB arrived in 2023.
Why pick each one
Choose ParadeDB if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Mature project with 9.3k GitHub stars
- Written in Rust
Choose ZincSearch if…
- Simple to run
- Much lighter than Elasticsearch
Watch out for
- Smaller feature set
Frequently asked questions
Is ParadeDB or ZincSearch better?
ZincSearch is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider ZincSearch if its specific feature set fits your needs better.
Are ParadeDB and ZincSearch free and open-source?
Yes. ParadeDB is licensed under AGPL-3.0 and ZincSearch under Apache-2.0. Both can be self-hosted at no software cost.
Can I run ParadeDB and ZincSearch with Docker?
ParadeDB: yes. ZincSearch: yes.
Which is lighter on resources, ParadeDB or ZincSearch?
ZincSearch has the smaller minimum footprint at 256 MB of RAM, compared to about 1,024 MB for ParadeDB. Real-world usage depends on library size, user count, and enabled features.