Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
GrowthList - A crowd-sourced list of growth hacks
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
GrowthHackers Projects - Growth collaboration software for teams 📈
ChartBlocks - Import data, design and share a chart in minutes. Or seconds via the API.
Marketing Examples - A gallery of real world marketing case studies. Updated every day.