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Top 18 C# Excel Projects
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NPOI
a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.
Project mention: What's the best way to read an Excel file into a DataGrid in WinUi 3? | reddit.com/r/csharp | 2022-08-30I use NPOI https://github.com/nissl-lab/npoi its a popular package for reading Excel. It is both faster than interop and free (open source).
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ClosedXML
ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API.
ClosedXML is an open wrapper around OOXML.
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EvilClippy
A cross-platform assistant for creating malicious MS Office documents. Can hide VBA macros, stomp VBA code (via P-Code) and confuse macro analysis tools. Runs on Linux, OSX and Windows.
It seems that this is some kind of protection. I tried different methods including EvilClippy without any success. Is there any way to view the underlying vba code ?
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Magicodes.IE
Import and export general library, support Dto import and export, template export, fancy export and dynamic export, support Excel, Csv, Word, Pdf and Html.
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ExcelDna
Excel-DNA - Free and easy .NET for Excel. This repository contains the core Excel-DNA library.
Project mention: Trying to combine 2-3 documents sandwiched between 2 pages of an excel spreadsheet, but don't have access to Adobe Acrobat. | reddit.com/r/vba | 2022-01-28 -
Scout APM
Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.
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Project mention: Workflow for spreadsheet designing / modifying data without re-building | reddit.com/r/Unity3D | 2022-08-09
Now, I've been delving with Unity-QuickSheet (the excel version, as the Gdrive functionality is broken atm), and I already understand how I'd go around implementing this at edit time. If I edit the spreadsheet, I can easily re-import the sheet data and it's converted to the scriptableobject "database" each sheet lives in.
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ReoGrid
Fast and powerful .NET spreadsheet component, support data format, freeze, outline, formula calculation, chart, script execution and etc. Compatible with Excel 2007 (.xlsx) format and working on .NET 3.5 (or client profile), WPF and Android platform.
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Npoi.Mapper
Use this tool to import or export data with Excel file. The tool is a convention based mapper between strong typed object and Excel data via NPOI.
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You should take a look at ExcelMapper https://github.com/mganss/ExcelMapper
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ClosedXML.Report
ClosedXML.Report is a tool for report generation with which you can easily export any data from your .NET classes to Excel using a XLSX-template.
Project mention: Discovered a NuGet package called ClosedXML. Takes away the pain of dealing with OpenXML | reddit.com/r/csharp | 2022-06-01Also shoutout to the report package for exporting classes to spreadhsheets. https://github.com/ClosedXML/ClosedXML.Report
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office-ribbonx-editor
An overhauled fork of the original Custom UI Editor for Microsoft Office, built with WPF
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BakingSheet
Easy datasheet management for C# and Unity. Supports Excel, Google Sheet, JSON and CSV format.
Project mention: Did you know: SuperCell uses CSV format for their design data | reddit.com/r/Unity3D | 2022-09-08So I wrote BakingSheet (anyone interested in please try and give feedback :D) two years ago and it has been evolved with features like list and dictionary support. I wonder what other people think about using spreadsheet, and I'd like to see it grow as open source project, so if anyone wants to contribute or give opinion it's welcome!
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BulkPDF
BulkPDF is a free and easy to use open source software, which allows to automatically fill an existing PDF form with differen values. Only a spreadsheet (Microsoft Excel 2007/2010/2013, LibreOffice or OpenOffice Calc) with the desired values is required.
I broken-down BulkPDF to create some pdf forms at work. Now, they are concerned that I may have leaked customer data. BulkPDF is available via GitHUB and I did not find any security advisories there (https://github.com/Tadelsucht/BulkPDF/security/advisories). It's free and open source software but I am unsure if I should only go by what it says onGitHUB or not. I couldn't find any negative information after several searches. I have reached out to the creator. It's an excellent program but I wonder if free is too good to be true??
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OfficeIMO
Fast and easy to use cross-platform .NET library that creates or modifies Microsoft Word and later also Excel files without installing any software.
Project mention: Combining binary cmdlets with C#/.NET library/DLL | reddit.com/r/PowerShell | 2022-09-08I wrote https://github.com/EvotecIT/OfficeIMO which is C# Library, which I then use in PowerShell module https://github.com/EvotecIT/PSWriteOffice along with other DLL libraries and expose those using verb-noun (in PowerShell).
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Project mention: Need some help/direction reading CSV into MySQL without duplication | reddit.com/r/csharp | 2022-08-30
I maintain a couple libraries that can help with reading the data files: Sylvan.Data.Csv and Sylvan.Data.Excel. I see no reason to not allow users to provide whichever format is convenient for them.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
The latest post mention was on 2022-09-09.
C# Excel related posts
- Combining binary cmdlets with C#/.NET library/DLL
- What's the best way to read an Excel file into a DataGrid in WinUi 3?
- Help needed with .xlsb files
- What is your team’s preferred way to deal with game design data?
- Easiest Way to Read and Import Excel File Data into DataTable C#
- Show HN: Excel, Gsheet, JSON converter you can use in Unity Game Development
- BakingSheet – Spreadsheet converting tool for C# Game development
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A note from our sponsor - SonarQube
www.sonarqube.org | 24 Sep 2022
Index
What are some of the best open-source Excel projects in C#? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | NPOI | 4,642 |
| 2 | ClosedXML | 3,285 |
| 3 | EvilClippy | 1,746 |
| 4 | Magicodes.IE | 1,681 |
| 5 | EPPlus | 1,245 |
| 6 | MiniExcel | 1,168 |
| 7 | ExcelDna | 955 |
| 8 | Unity-QuickSheet | 882 |
| 9 | ReoGrid | 781 |
| 10 | Npoi.Mapper | 481 |
| 11 | ExcelMapper | 471 |
| 12 | ClosedXML.Report | 361 |
| 13 | office-ribbonx-editor | 339 |
| 14 | BakingSheet | 129 |
| 15 | BookFx | 105 |
| 16 | BulkPDF | 100 |
| 17 | OfficeIMO | 67 |
| 18 | Sylvan.Data.Excel | 48 |
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