Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.

annotation apache-poi csv csv-parser data-export data-import data-processing excel excel-reader excel-writer file-parsing java java-library poi-alternative spreadsheet spring-boot streaming type-conversion xls xlsx
5 Open Issues Need Help Last updated: Aug 20, 2026

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good first issue ci

Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.

Java
#annotation#apache-poi#csv#csv-parser#data-export#data-import#data-processing#excel#excel-reader#excel-writer#file-parsing#java#java-library#poi-alternative#spreadsheet#spring-boot#streaming#type-conversion#xls#xlsx
enhancement help wanted

Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.

Java
#annotation#apache-poi#csv#csv-parser#data-export#data-import#data-processing#excel#excel-reader#excel-writer#file-parsing#java#java-library#poi-alternative#spreadsheet#spring-boot#streaming#type-conversion#xls#xlsx
documentation good first issue

Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.

Java
#annotation#apache-poi#csv#csv-parser#data-export#data-import#data-processing#excel#excel-reader#excel-writer#file-parsing#java#java-library#poi-alternative#spreadsheet#spring-boot#streaming#type-conversion#xls#xlsx
enhancement help wanted

Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.

Java
#annotation#apache-poi#csv#csv-parser#data-export#data-import#data-processing#excel#excel-reader#excel-writer#file-parsing#java#java-library#poi-alternative#spreadsheet#spring-boot#streaming#type-conversion#xls#xlsx
enhancement help wanted good first issue

Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.

Java
#annotation#apache-poi#csv#csv-parser#data-export#data-import#data-processing#excel#excel-reader#excel-writer#file-parsing#java#java-library#poi-alternative#spreadsheet#spring-boot#streaming#type-conversion#xls#xlsx