I know many people are busy in finding a good list of free tools for website, social media, photo editors, email marketing, which can help them to analyze increase their business in-terms of marketing and development for better user experience.
So here i am sharing some good tools that i think will help you and i personally love them, have a look :
Website builders:
WordPress // Wix // Weebly
Social media tools:
Buffer // Hootsuite // Social Mention // Click to Tweet
Photo editors:
PicMonkey // Canva
Email marketing:
MailChimp
Invoicing:
Free Invoice Generator // Invoice To Me // Slimvoice
Logos:
Hipster Logo Generator
Writing:
Hemingway // Grammarly
Cloud storage:
Dropbox // Google Drive
A/B testing:
Optimizely