Open-source csv software

122 open-source libraries, tools and applications tagged csv, ranked by how closely csv is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

122 products, primary matches first, then adoption-weighted; health v2 shown.

Product	Health v2	Stars	Maturity
baiy/Ctool Ctool is a multi-platform Swiss-army toolbox of common developer utilities including hashing, encryption/decryption, encoding, JSON/YAML/XM…	34	2050	active
admindroid-community/powershell-scripts A collection of over 100 self-contained PowerShell scripts for managing, reporting on, and auditing Microsoft 365 (Office 365) tenants. Eac…	75	2029	active
tableflowhq/csv-import An open-source CSV, TSV, and XLS/XLSX file importer embeddable in web apps via React or JavaScript SDKs. Users upload spreadsheets through …	50	1792	active
Obsidian An official Obsidian community plugin that imports notes from other apps and file formats (Evernote, Notion, OneNote, Apple Notes, Google K…	93	1669	active
csvq csvq is a command line tool written in Go that lets you query and manipulate CSV files using a SQL-like language, including select, insert,…	23	1626	active
laochiangx/Common.Utility A large collection of C# utility and helper classes covering common .NET development tasks such as Excel/CSV/PDF handling, HTTP requests, J…	32	5300	maintenance
huangyanbin/smartTable SmartTable is an Android library that automatically generates configurable, feature-rich tables from annotated Java objects, Lists, JSON, o…	23	5226	maintenance
MiracleTanC/Neo4j-KGBuilder A self-hosted knowledge graph construction and visualization application built on Neo4j, Spring Boot, Vue.js, and D3.js. It provides a grap…	73	1354	active
mhgolkar/Arrow Arrow is a free, open-source visual tool for game narrative design, text-adventure development, and interactive nonlinear storytelling, bui…	40	1348	active
run-liyi/wechatpay An Electron-based desktop application that parses exported WeChat Pay bill Excel files and visualizes personal spending with charts, catego…	48	1343	active
mariostoev/finviz An unofficial Python library for scraping FinViz.com, providing stock data, news, insider transactions, analyst price targets, and a stock …	54	1334	active
egbertbouman/youtube-comment-downloader A Python script and library for downloading YouTube video comments without using the official YouTube API. It outputs comments in JSONL, JS…	82	1260	active
puemos/craftplan Craftplan is a self-hosted, open-source ERP application for small-scale artisanal manufacturers and craft D2C businesses. Built with Elixir…	84	1150	active
zpl-c/zpl zpl is a C99 cross-platform, header-only library that provides a set of commonly needed utilities for C/C++ development, replacing and exte…	27	1075	active
sgreben/jp jp is a single-binary command-line tool that renders bar charts, line charts, scatter plots, histograms, and heatmaps in the terminal from …	23	1338	maintenance
codinguser/gnucash-android GnuCash Android is a mobile companion expense-tracker app for the GnuCash desktop accounting software, built for Android 4.4+. It supports …	23	1265	maintenance
SciRuby/daru Daru (Data Analysis in RUby) is a pure Ruby library providing DataFrame and Vector data structures for storing, analyzing, manipulating, an…	23	1061	maintenance
timeoff-management/timeoff-management-application TimeOff.Management is a self-hostable web application for managing employee absences, leave requests, and PTO for small and medium business…	23	1044	maintenance
json2csv A JavaScript library and CLI tool that converts JSON (including NDJSON) into CSV with column titles, supporting streaming for large dataset…	23	2717	abandoned
PaulMcInnis/JobFunnel JobFunnel is a Python CLI tool that scrapes job postings from multiple job websites (Indeed, Glassdoor, LinkedIn) into a single deduplicate…	10	2189	abandoned
aki66938/xhs-toolkit A Python MCP toolkit for Xiaohongshu (RED) creators that lets AI clients like Claude Desktop publish image/video notes, manage login cookie…	57	1349	abandoned
misoproject/dataset Dataset.js is a JavaScript library for managing data behind client-side visualizations, handling loading, parsing, sorting, filtering, and …	32	1172	abandoned