100 in 100 Challenge - Get 100 new paid users in 100 days
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
GrowthHackList - 100+ curated growth hacks for makers + early stage startups
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
Marketing Examples - A gallery of real world marketing case studies. Updated every day.
ChartBlocks - Import data, design and share a chart in minutes. Or seconds via the API.