SieParser released as Open Source

I just completed the port to Java 1.8 of┬áJohan Idstam’s SIE parser for .NET ( and relased version 1.0 on Sonatype. Soure code and issue tracking is available here: The released artifacts are available on Maven Central at

This library (released under MIT license) can read an write SIE Accounting files of all types (1-4). I am using it in various financial products that I am working on as well as in my work as a consultant in financial systems in Sweden. Hopefully you will find it useful too!