head to head · open source
orm vs efcore
orm has 47,660 GitHub stars, 2,602 forks, 2,627 open issues and last shipped 2 days ago. efcore has 14,816 stars, 3,452 forks, 2,343 open issues and last shipped yesterday. orm leads on adoption by 222% (47,660 vs 14,816 stars). orm is written in TypeScript under Apache-2.0; efcore is written in C# under MIT. orm has attracted 5% as many forks as stars, efcore 23%. efcore was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (database, orm), so they are genuine substitutes rather than adjacent tools.
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
| orm | efcore | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 15K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | C# |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 2.6K | ⑂ 3.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick orm if
- You weight community size — 48K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- 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 orm
Docs Discord X Blog Post Architecture Using Prisma 7? It remains fully supported. Its source lives on the v7 branch of this repository and its docs at prisma.io/docs/orm/v7. Prisma 8 is a release candidate. 8.0.0 final is expected in the next four to eight weeks. Until then a release candidate may include breaking changes, and every release ships with an upgrade recipe that the prisma 8 skill applies for you. The candidate is a complete implementation we stand behind: we treat bugs in it as urgent, and the risk you take on is a feature that is not built yet rather than churn. The feature scoreboard names every…
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 orm or efcore more popular?
orm has 47,660 GitHub stars and efcore has 14,816. orm has the larger community by that measure.
Are orm and efcore free?
Both are open source. orm is licensed under Apache-2.0 and efcore under MIT. Neither carries a licence fee.
What is the difference between orm and efcore?
orm is written in TypeScript 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, orm or efcore?
Choose orm if you want the larger community (47,660 stars) or its Apache-2.0 licence terms. Choose efcore if its feature set, stack or MIT licence fits better. Both are self-hostable.