#csv

SQL Runtime without any database

Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input

Lightweight Exporter library

A library designed to simplify serialization in .Net. Compatible with .Net Core.

CLI tool for building production RAG systems from Markdown, CSV, and PDF documents using hybrid search (BM25 + vector) with OpenSearch. Features MCP server, Slack bot, Web UI, multi-source ingestion (local/S3/GitHub), and multi-provider embeddings (Bedrock/Gemini).

Zero-dependency TypeScript toolkit for Excel, Word, PDF, CSV, Markdown, XML & ZIP — one API across Node.js, Bun & browsers.

SQL queries for CSV files. Ultra-fast CSV query engine in Zig with SIMD parsing and parallel execution. CLI: csvql.

CSV Reading and Writing

📊 Easily manage & generate spreadsheets. CSV & Excel files supported.

Didot is a command-line tool designed for generating files based on templating. It supports YAML, JSON, CSV, FrontMatter and XML as source data formats and provides flexibility in templating through both Scriban, Liquid, Handlebars, StringTemplate, Morestachio and SmartFormat engines.

Fast, pure-Go document-to-Markdown conversion for PDFs, Office files, HTML, CSV, ZIPs, and text—available as a CLI and modular library.

Convert HTML to DOCX/PDF and edit DOCX/XLSX/PPTX from .NET. Pure managed - no native binaries, no browser, no LibreOffice. Runs on Linux, works offline.

Open Source Formula 1 Database

PHP ETL Adapter: CSV

CSV reader and writer for Port

pytablewriter is a Python library to write a table in various formats: AsciiDoc / CSV / Elasticsearch / HTML / JavaScript / JSON / LaTeX / LDJSON / LTSV / Markdown / MediaWiki / NumPy / Excel / Pandas / Python / reStructuredText / SQLite / TOML / TSV.