head to head · open source
Milvus vs HeidiSQL
Milvus has 46,166 GitHub stars, 4,257 forks, 1,405 open issues and last shipped today. HeidiSQL has 6,274 stars, 587 forks, 324 open issues and last shipped 2 days ago. Milvus leads on adoption by 636% (46,166 vs 6,274 stars). Milvus is written in Go under Apache-2.0; HeidiSQL is written in Pascal under GPL-2.0. Milvus has attracted 9% as many forks as stars, HeidiSQL 9%. 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 | HeidiSQL | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 6.3K |
| License | Apache-2.0 | GPL-2.0 |
| Written in | Go | Pascal |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 4.3K | ⑂ 587 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Milvus if
- You weight community size — 46K 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 HeidiSQL if
- You want the HeidiSQL feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches Pascal
- You evaluated both and HeidiSQL fits your workflow better
About Milvus
Milvus is a high performance, cloud native vector database written in Go and C++, designed to power AI applications by efficiently storing, indexing, and searching large scale unstructured data such as text, images, and multi modal embeddings. It implements hardware accelerated approximate nearest neighbor (ANN) search using algorithms like HNSW, FAISS, and DiskANN, and supports both real time streaming updates and batch ingestion. Milvus lives in the GenAI infrastructure ecosystem, serving as the persistent storage and retrieval layer for embedding based workloads including RAG, recommendation, and image search.…
read the full Milvus overview →
About HeidiSQL
HeidiSQL is a free, GPL 2.0 licensed graphical client for managing MariaDB, MySQL, Microsoft SQL Server, PostgreSQL, SQLite, Interbase and Firebird databases, aimed at developers and database administrators who need to browse, edit and export data without working from a command line.
read the full HeidiSQL overview →
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Frequently asked questions
Is Milvus or HeidiSQL more popular?
Milvus has 46,166 GitHub stars and HeidiSQL has 6,274. Milvus has the larger community by that measure.
Are Milvus and HeidiSQL free?
Both are open source. Milvus is licensed under Apache-2.0 and HeidiSQL under GPL-2.0. Neither carries a licence fee.
What is the difference between Milvus and HeidiSQL?
Milvus is written in Go and HeidiSQL in Pascal. 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 HeidiSQL?
Choose Milvus if you want the larger community (46,166 stars) or its Apache-2.0 licence terms. Choose HeidiSQL if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.