We get excited when we get something for FREE and on other hand, we think nothing is FREE.

Well, Here is the list of tools that can help you to make your job easy or can help you to complete your job faster. Please feel free to add any thoughts or comments.
Note: Source/Credit of this post is buildd

Loom :

Use case: Async video communication. Asynchronous video is where the communication is not live-streamed. You make a video screencast or screen recording and send it to team members for them to view at a later time.

Description: You can record and share video messages of your screen, cam, or both. It is Faster than typing an email or meeting live.

Has a free plan

Link: https://loom.com

Airtable :

Use case: Database

Description: Easy-to-use online platform for creating and sharing relational databases. Customize your workflow, collaborate, and achieve ambitious outcomes.

Has a free plan for up to 1200 records per base

Link: https://airtable.com

Unicorn Platform

Use case: Website builder

Description: Drag & drop website and blog builder for startups, mobile apps, and SaaS.

Has a free plan for publishing 1 website

Link: https://unicornplatform.com

Trello

Use case: Project management

Description: Trello is the visual tool that empowers your team to manage any type of project, workflow, or task.

Has a free plan for up to 10 boards

Link: https://trello.com/en

Canva

Use case: Design

Description: Create beautiful designs of absolutely anything, from logos and social media content to documents, prints, and more.

Has a free plan

Link: https://canva.com

Twist

Use case: Async chat communication

Description: Twist is async messaging for the flexible future of work. In Twist, one topic = one thread, instead of a stream of team chat.

Has a free plan for up to 500 members

Link: https://twist.com

Mailchimp

Use case: Email marketing

Description: Engage your customers and boost your business with Mailchimp’s advanced, yet easy‑to‑use marketing platform.

Has a free plan for up to 2000 contacts

Link: https://mailchimp.com

Notion

Use case: Note-taking

Description: Notion is an all-in-one workspace where you can write, plan, collaborate and get organized.

Has a free plan with unlimited pages & blocks

Link: https://notion.so

Calendly

Use case: Scheduling

Description: Calendly is your hub for scheduling meetings efficiently without the back-and-forth emails.

Has a free plan

Link: https://calendly.com

Buffer

Use case: Social media marketing

Description: Draft and schedule posts for sharing across multiple social networks including Facebook, Instagram, Twitter, LinkedIn and Pinterest.

Has a free plan for managing 3 channels

Link: https://buffer.com

Zapier

Use case: Automation

Description: Zapier moves info between your web apps automatically, so you can focus on your most important work.

Has a free plan for up to 100 tasks a month

Link: https://zapier.com

Later

Use case: Social media marketing

Description: Plan, analyze, and publish your content in a few clicks – so you can save time and grow your business.

Has a free plan

Link: https://later.com

Sendinblue

Use case: Email marketing

Description: Sendinblue is an all-in-one email marketing service for businesses that want to send and automate email marketing campaigns.

Has a free plan for sending up to 300 emails/day

Link: https://sendinblue.com

Slab

Use case: Knowledge base

Description: Easily create, organize, and discover knowledge for your entire organization, from non-technical to tech-savvy.

Has a free plan for up to 10 users

Link: https://slab.com

Pandadoc

Use case: eSign

Description: Create, approve, track, and eSign docs easily. Take the work out of your document workflow.

Has a free plan

Link: https://pandadoc.com

Drift Chat

Use case: Live chat

Description: Drift is a live chat, in-app messaging, and email management solution designed for sales and marketing teams.

Has a free plan

Link: https://drift.com

Carrd

Use case: Website builder

Description: The easiest way to create a fully-responsive, one-page site.

Has a free plan to build up to 3 sites

Link: https://carrd.co