head to head · open source
Milvus vs dejavu
Milvus has 46,578 GitHub stars, 4,327 forks, 1,405 open issues and last shipped yesterday. dejavu has 8,467 stars, 511 forks, 69 open issues and last shipped 4 months ago. Milvus leads on adoption by 450% (46,578 vs 8,467 stars). Milvus is written in Go under Apache-2.0; dejavu is written in JavaScript under MIT. Milvus has attracted 9% as many forks as stars, dejavu 6%. Milvus was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Milvus | dejavu | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 8.5K |
| License | Apache-2.0 | MIT |
| Written in | Go | JavaScript |
| Last push | 2026-11-04 | 2026-07-02 |
| Forks | ⑂ 4.3K | ⑂ 511 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Milvus if
- You weight community size — 47K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick dejavu if
- You want the dejavu feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and dejavu fits your workflow better
About Milvus
What is Milvus? 🐦 Milvus is a high performance vector database built for scale. It powers AI applications by efficiently organizing and searching vast amounts of unstructured data, such as text, images, and multi modal information. 🧑💻 Written in Go and C++, Milvus implements hardware acceleration for CPU/GPU to achieve best in class vector search performance. Thanks to its fully distributed and K8s native architecture, Milvus can scale horizontally, handle tens of thousands of search queries on billions of vectors, and keep data fresh with real time streaming updates. Milvus also supports Standalone mode for…
read the full Milvus overview →
About dejavu
dejavu: The Web UI for OpenSearch and Elasticsearch 1. Dejavu: Intro 2. Features a. Easily Connect to Indices b. Visual Filters c. Modern UI Elements d. Import JSON or CSV Data e. Build search UIs 3. Comparison 4. Roadmap 5. Build Locally / Contributing 6. Get Dejavu a. Docker Installation b. Hosted Alternatives 1. Dejavu Intro Dejavu is a modern web UI for OpenSearch and Elasticsearch. It was designed with the goal of providing a seamless user experience, featuring no page reloads, infinite scroll, filtered views, real time updates, and a search UI builder. With 100% client side rendering, Dejavu can easily be…
read the full dejavu overview →
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Frequently asked questions
Is Milvus or dejavu more popular?
Milvus has 46,578 GitHub stars and dejavu has 8,467. Milvus has the larger community by that measure.
Are Milvus and dejavu free?
Both are open source. Milvus is licensed under Apache-2.0 and dejavu under MIT. Neither carries a licence fee.
What is the difference between Milvus and dejavu?
Milvus is written in Go and dejavu in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Milvus or dejavu?
Choose Milvus if you want the larger community (46,578 stars) or its Apache-2.0 licence terms. Choose dejavu if its feature set, stack or MIT licence fits better. Both are self-hostable.