#40 · Primary category： Business Intelligence & Analytics
tablesaw
Java dataframe and visualization library
Project last updated：08/08/26
GitHub Stars
3.8K
Forks
647
Contributors
94
License
Apache-2.0
Why we included this project
Java never got the dataframe convenience that Python users take for granted, and Tablesaw is the closest thing to a pandas for the JVM. It handles the unglamorous parts of working with tabular data: reading CSV, Excel, JSON, HTML, or SQL sources, cleaning and reshaping what comes in, and summarizing the result. Descriptive statistics and charts are covered too, since Tablesaw wraps Plot.ly for visualization, which means exploratory analysis can stay in one JVM codebase instead of reaching for a Python stack. Teams stuck in Java who want clean datasets to feed into machine-learning libraries like Smile, Tribuo, or DL4J will find.
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