Reverse Dictionary - Describe a concept and get back a list of words
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
Silicon Valley Dictionary - Urban dictionary meets Silicon Valley
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
Dictionary Anywhere - Dictionary Anywhere is an open-source and easy-to-use browser extension for Mozilla Firefox and Google Chrome that allows you to check definitions easily while browsing the web.
Apple Numbers - Numbers lets you build beautiful spreadsheets on a Mac, iPad, or iPhone — or on a PC using iWork for iCloud. And it’s compatible with Apple Pencil.