wpDataTables - wpDataTables is a WordPress Table Plugin for creating and editing dynamic and responsive tables and charts, generating SQL queries, or even building a CRM!
Beyond Compare - Beyond Compare allows you to compare files and folders.
Ninja Tables - Ninja Tables is the most advanced, and modern Table builder plugin on WordPress.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
TablePress - TablePress is the most popular and highest rated WordPress table plugin. It allows you to easily create and manage beautiful and feature-rich tables on your website.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.