✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.
- json
- tool
- react
- visualization
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📗 SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs
A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web
- epub
- reader
- txt
- mobi
Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets
ONLYOFFICE Docs is a free collaborative online office suite comprising viewers and editors for texts, spreadsheets and presentations, forms and PDF, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.
World countries in JSON, YAML, CSV and XML. Any help is welcome!
- countries
- geojson
- topojson
- xml
Create and modify Word documents with Python
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.
Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents
- go
- golang
- ooxml
- openoffice
Open XML SDK by Microsoft
Create Open XML PowerPoint documents in Python
xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.
sq data wrangler
A simple Go package for querying over JSON, YAML, XML, and CSV data.
- gojsonq
- golang-json-query
- go-json
- go-json-query
EPPlus-Excel spreadsheets for .NET
- net
- netframework
- netcore
- netstandard
A C++20 library for fast serialization, deserialization and validation using reflection. Supports JSON, Avro, Boost Serialization, BSON, Cap'n Proto, CBOR, Cereal, Command line interfaces, CSV, Environment variables, flexbuffers, msgpack, parquet, TOML, UBJSON, XML, YAML, yas / msgpack.org[C++20]
Converting Can (Controller Area Network) Database Formats .arxml .dbc .dbf .kcd ...
- canbus
- python
- dbc
- arxml
omniparser: a native Golang ETL streaming parser and transform library for CSV, JSON, XML, EDI, text, etc.
- transform
- etl
- xml
- json
XML sources of SICP and SICP JS, and support for generating Interactive SICP JS, PDF, e-book and comparison editions
- javascript
- textbook
- source-academy
- sicp
Excel spreadsheet (XLSX) format parser written in pure Swift
- swift
- excel
- excelreader
- excel-import
Tools for downloading and preserving wikis. We archive wikis, from Wikipedia to tiniest wikis. As of 2026, WikiTeam has preserved more than 600,000 wikis.
- wiki
- wikiteam
- wikipedia
- archive-wikis
F# Data: Library for Data Access
ETL framework for .NET (Parser / Writer for CSV, Flat, Xml, JSON, Key-Value, Parquet, Yaml, Avro formatted files)
MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.