txtai combines semantic search, language model orchestration, and AI workflow tools in one framework.
AquilaDB
Easy to use Neural Search Engine. Index latent vectors along with JSON metadata and do efficient k-NN search.

About AquilaDB
AquilaDB is a neural search engine that stores latent vectors produced by machine learning models together with JSON metadata, and runs k-NN retrieval to find similar items. According to its project page, it is intended as a database for machine learning engineers and data scientists building neural information retrieval applications, and it is described as simple to set up and language-agnostic. It is also described as useful for image collections with related metadata.
The project is in alpha. Client libraries for Python and Node.js are still in progress, and users currently need to deploy their own models to produce the vector embeddings. The project page states that it is not a document database. The peer-to-peer network layer for AquilaDB nodes is also still in development.
Key features
- Indexes latent vectors together with JSON metadata for each entry
- Performs k-NN search to retrieve similar vectors
- Installs through a Debian install script
- Provides Docker images in lite and big data variants
- Client libraries for Python and Node.js are in progress
- Generates private keys for client authentication in the /ossl/ directory
- The project describes setup as simple and the software as language-agnostic.
- Docker images are available for deployment in lite and big data variants.
- The project states it is already used in production for semantic search on its own network.
- The project is described as being in alpha.
- The project page states it is not a document database.
- Users must deploy their own models to generate the vector embeddings.
AquilaDB at a glance
- Category
- AI & Machine Learning › AI Search & Research
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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AquilaDB FAQ
Is AquilaDB a document database?
Where do the vector embeddings come from?
Where is the client authentication key stored?
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