head to head · open source
Milvus vs efcore
Milvus has 46,595 GitHub stars, 4,328 forks, 1,405 open issues and last shipped yesterday. efcore has 14,815 stars, 3,451 forks, 2,343 open issues and last shipped yesterday. Milvus leads on adoption by 215% (46,595 vs 14,815 stars). Milvus is written in Go under Apache-2.0; efcore is written in C# under MIT. Milvus has attracted 9% as many forks as stars, efcore 23%. 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 | efcore | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 15K |
| License | Apache-2.0 | MIT |
| Written in | Go | C# |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 4.3K | ⑂ 3.5K |
| 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 efcore if
- You want the efcore feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and efcore 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 efcore
Repository This repository is home to the following .NET Foundation projects. These projects are maintained by Microsoft and licensed under the MIT License. Entity Framework Core Microsoft.Data.Sqlite Entity Framework Core EF Core is a modern object database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations. EF Core works with SQL Server, Azure SQL Database, SQLite, Azure Cosmos DB, MariaDB, MySQL, PostgreSQL, and other databases through a provider plugin API. Installation EF Core is available on NuGet. Install the provider package corresponding to your target database…
read the full efcore overview →
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Frequently asked questions
Is Milvus or efcore more popular?
Milvus has 46,595 GitHub stars and efcore has 14,815. Milvus has the larger community by that measure.
Are Milvus and efcore free?
Both are open source. Milvus is licensed under Apache-2.0 and efcore under MIT. Neither carries a licence fee.
What is the difference between Milvus and efcore?
Milvus is written in Go and efcore in C#. 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 efcore?
Choose Milvus if you want the larger community (46,595 stars) or its Apache-2.0 licence terms. Choose efcore if its feature set, stack or MIT licence fits better. Both are self-hostable.