fastexcel vs zerocell

fastexcel

Generate and read big Excel files quickly (by dhatim)

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zerocell

Simple, efficient Excel to POJO library for Java (by creditdatamw)

Projects Document Processing Java8 Excel Pojo annotation-processor Annotations

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fastexcel		zerocell
	Project
5	Mentions	-
603	Stars	78
2.8%	Growth	-
8.8	Activity	0.0
about 11 hours ago	Latest Commit	5 months ago
Java	Language	Java
Apache 2.0	License	Apache License 2.0

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

fastexcel

Posts with mentions or reviews of fastexcel. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-10-21.

FileOutputStream v. ByteArrayOutputStream: is there a noticeable difference in memory usage?
1 project | /r/javahelp | 20 Dec 2022

I'm using fastexcel to create the excel file, and I'm flushing it to the OutputStream after every row is written. Right now, I am using a FileOutputStream to write to disk. When the excel file is done being generated, I read it back in using InputStreamResource and stream the response. My thought process is that a ByteArrayOutputStream keeps everything in memory even if I'm flushing the excel file after every row, so I used the FileOutputStream. Does my logic track here? Or am I unnecessarily slowing things down with expensive filesystem IO?
Favorite hidden gem library?
22 projects | /r/java | 21 Oct 2022

fastexcel the fastest xlsx generation library
how to create an excel file from a form in an android app
1 project | /r/androiddev | 14 Dec 2021

I would use some library like for example this one. So you collect all the data you want to store in a list or map, and iterate over it, then add them to the excel like shown in the documentation of the library (should always be the same way more or less for any library)
Any good alternatives to Apache POI for creating Excel spreadsheets?
6 projects | /r/java | 3 Jul 2021

I've only had memory problems with apache poi. I only use https://github.com/dhatim/fastexcel now

zerocell

Posts with mentions or reviews of zerocell. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning zerocell yet.
Tracking mentions began in Dec 2020.

What are some alternatives?

When comparing fastexcel and zerocell you can also consider the following projects:

Apache POI - Mirror of Apache POI

Mixin - Mixin is a trait/mixin and bytecode weaving framework for Java using ASM

easyexcel - 快速、简洁、解决大文件内存溢出的java处理Excel工具

Kripton Persistence Library - A Java/Kotlin library for Android platform, to manage bean's persistence in SQLite, SharedPreferences, JSON, XML, Properties, Yaml, CBOR.

Aspose.Cells-for-Java - Aspose.Cells for Java examples, plugins and showcases

auto-record - Java record source generator

spreadsheet - Spreadsheet Builder

Doma 2 - DAO oriented database mapping framework for Java 8+

docx4j - JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files

1. AutoProxy - Annotation Processing Library. Generates proxy class on top of interface/abstract class, that allows to intercept calls. Also known as a design pattern: proxy, delegate, interceptor.

easy-random - The simple, stupid random Java beans/records generator

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