CSV Lint plug-in for Notepad++ for syntax highlighting
Multi-format (PDF, EPUB, MOBI, FB2, CHM, XPS, DjVu) reader for Windows
Utility library for working with CSV and other delimited files
A modern C++ library for reading, writing, and analyzing CSV
Pure Kotlin CSV Reader/Writerx
A shield for the Arduino Mega that can back up video game cartridges
The DB Browser for SQLite
Wildcat: Simple "C" XML reader
X-Plane plugin that displays a tablet to aid VR usage
DuckDB is an in-process SQL OLAP Database Management System
C++ CSV parser library
A fast image processing library with low memory needs
CSV Quick Viewer
Easy to use open source fast database for search
A POSIX-compliant AWK interpreter written in Go, with CSV support
Vienna is a free and open-source RSS/Atom newsreader for macOS
PHP Extension for creating and reader XLSX files
The Time Series Visualization Tool that you deserve
Portable, simple and extensible C++ logging library
Extremely fast, in memory, JSON and interface library for modern C++
Framework for creating human behaviour experiments in Unity
Fast persistent recoverable log and key-value store + cache
Deep Learning API and Server in C++14 support for Caffe, PyTorch
Object model for OpenAPI documents in .NET
The FileHelpers are a free and easy to use .NET library to read/write