Google Open Source - All of Googles open source projects under a single umbrella
Promoter - The Most Effective Way To Engage And Learn From Customers
Open Source Alternatives - 200+ open source alternatives to popular B2B tools
HelpCrunch - HelpCrunch Live Chat: Turn prospects into customers, drive sales and improve retention with a rich toolbox combining modern live chat, in-app messenger, email marketing, CRM and marketing automation.
Stylepill - Get beautiful open source UI components weekly
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.