Radically Simple. ST/ORM for Kotlin.
ST/ORM for Kotlin. Try it. Break it. Challenge it. Love it. Hate it. Tell us. Follow us. Join us.

What would an ORM look like if you designed it for Kotlin today?

Immutable data-class entities. Concise queries checked at compile time. No proxies, persistence context, or accidental N+1 queries. ST/ORM is a modern alternative to Hibernate and Exposed.

Try it in 5 minutes → Compare with your ORM
Entities.kt Show SQL 

        

      

      

        
        ↳ generated sql
      

      

        

      

    

    

  






  
Benchmark againstSee the benchmarks →

  

    

      

        
7 of 12

        
workloads faster than Hibernate

        
Level on the other five, every gap inside the 2% band; the point lookup scores are identical.

      

    

    

      

        
70%

        
fewer entity lines

        
The five-table model: 41 lines in Storm, 139 in Hibernate.

      

    

    

      

        
20%

        
fewer query lines

        
All twelve workloads: 150 lines in Storm, 187 in Hibernate, with no query strings.

      

    

  






  

    

      
Optimized for

      

        PostgreSQLMySQLMariaDBOracleSQL ServerSQLiteH2
      

    

    

      
Integrates with

      

        KtorSpring BootGraalVM
      

    

  






  
Write code worth reading.

  
Concise entities and one-line queries keep you productive. Immutable records simplify your architecture by letting the same types flow through your application layers. Storm is built for engineers who care about beautiful code.

  

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