TextNow - TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
TextMe - TextMe is a free calls and messaging application at both local and international levels.
Spreadsheet.com - Spreadsheets that come alive as applications
Talkatone - Android App on. Google Play. Stop paying for cell minutes, texts & landlines; Turn your iPad or iPod touch into a phone; Call/Text even in areas with bad cell coverage; Call/Text when travelling without paying for expensive international minutes.
Rows - The spreadsheet where teams work faster