I use the following tools/websites for the growth of my company. Hope you will find them useful.
Here we go…
#1 Canva
To create custom logos for business, blog, projects, and events

#2 IFTTT
To automatize the marketing

#3 Troop Messenger
Troop Messenger is the hub for all your work communication and collaboration needs. It comes power packed with one-one messaging, group chat, audio/video calls, file sharing, screen sharing and much more.

#4 Invoicebus
With Invoicebus, you can create online invoices and send it by email within seconds. You will be able to integrate your Paypal account and receive payment with a click of the button.

#5 NextDayFlyers
To print marketing flyers, postcards, business cards etc. overnight

#6 ShopyGen
Turnkey multi vendor marketplace solution

#7 Sniply
To create shareable URLs with customized & sticky call to the action bar

#8 Connecto
For Exit Pop-ups & Website Engagement

#9 Botify
To Analyze SEO of your Webpages

#10 Ninja Outreach
To Find Trending Content & Outreach Tool

#11 Fiverr
To Hire Freelancers & Get Things Done Instantly

#12 CoPromote (Discontinued)
To Promote Content & Increase Reach To New & Larger Audience

#13 Buffer
To Schedule Social Media Posts

#14 SalesHandy
To Track & Schedule Emails, To Know How Much Time Viewer Spend On Each Page Of My Documents.

P.S Beside Email & Document Tracking I Use SalesHandy To Send MailMerge Campaigns Too As It Make Sure My Emails land In Recipients Inbox.
#15 Email Hunter
To Find Email Ids From Linkedin

P.S Its My Favorite. I ♥ This Tool.
#16 Buzzsumo
To Find Trending Content

#17 EmailInsights
To Track Competitors’ Emails and Newsletters With Performance

#18 Pixabay
For Free High Quality Stock Images

#19 Google (Keyword Research Tool)
To Know Search Volume and Demands

#20 Visual Composer
WordPress Page Builder Plugin

P.S This Blog Post Is Built Using Visual Composer
#21 Socialoomph
To Auto-DM & Auto-Follow Twitter Followers

#22 Producteev
To Manage Personal and Team’s Task

Moved To Slack. Jive Has Discontinued The Project Producteev.
#23 Intercom
All in One for CRM, Automated Messages, Emails, Live Chat

#24 Express VPN
For Security and High Speed anywhere

#25 Ubiq
To Manage, Analyze & Explore Data with Interactive Real-Time Dashboards and Reports

#26 Guessbox.io
To generate verified B2B leads and Outbound Email Marketing Campaigns.

#27 Livesession.io
To track user behavior, find potential issues and add more context to my A/B tests

Bonus Tool: SF Content (Star Force)
A web service where you can protect your content and track its distribution. This includes protection against screenshots and you get to decide if your document or book can be printed. You can see Protected files on devices with Windows, Android, iOS, and macOS. Access to protected files is provided with time and territory limitations. You can also revoke access if you want. The service is designed by an international company and suits to protect education materials and corporate documents.

That’s not all
Hope you find our list of “Growth Hacking Tools/Websites” useful. We will keep on updating it with time. If you believe that there is a related tool that should be on this list, then please do share its name with us in the comment.