This is a list of software (SaaS, PaaS, IaaS, etc.) and other offerings that have free tiers for creatives, authors, designers and entrepreneurs to take advantage of as a resource page to assist in building content/systems for your business.
Design & UI
https://www.figma.com - Generate, edit and publish beautiful websites and landing pages for your startup. The Free tier allow you to have one website, fully customizable and published on the web.
https://imagebin.ca - Pastebin for images.
https://www.pexels.com - Free stock photos for commercial use. This has a free API that allows you to search photos by keywords.
https://www.photopea.com - A Free, Advanced online design editor with Adobe Photoshop UI supporting PSD, XCF & Sketch formats (Adobe Photoshop, Gimp and Sketch App).
https://pixelite.com - Create and edit engaging and unique graphics and images online.
https://buttondown.email - Newsletter service. Up to 1,000 subscribers free
https://forwardemail.net/en - Free email forwarding for custom domains. Create and forward an unlimited amount of email addresses with your domain name.
https://www.sparkpost.com - First 500 emails/month free
https://www.netlify.com - An intuitive GIT based sever less platform
https://www.sparkpost.com - Free Unlimited Web Hosting Service for PHP, MySQL no ads include.
https://www.000webhost.com - Zero cost website hosting with Apache, PHP, MySQL, cPanel with ads on the bottom of each pages.
https://virtualghostwriter.com - Virtual AI content writer
https://mockuper.net - A free online mockup generator that lets you design your products mockups easily and quickly.
https://www.liveplan.com - Easily write a business plan, secure funding, and get insights to help you reach your goals.
https://fonts.google.com - A variety of free fonts that are easy and quick to install in a website to choose from.
https://videoinu.com - Create and edit screen recordings and other videos online.
https://www.99inbound.com - Build your own custom forms and share them online. Get an email or Slack message for each submission. Free plan has 2 forms, 100 entries per month, basic email & Slack.
https://web3forms.com - Contact forms for Static & JAMStack Websites without writing backend code. Free plan allows Unlimited Forms, Unlimited Domains & 250 Submissions per month.
https://anvil.works - Full stack web apps with nothing but Python.
https://encore.dev - Get a smoother backend workflow, from idea to production. Encore uses source code analysis to radically simplify your development experience.
https://www.gearhost.com/pricing - A Platform for .NET and PHP apps. You will receive 256 MB of RAM for free on a shared server with limited resources
https://m3o.com - Ship backend for your frontend without managing the infrastructure for free.
https://appfleet.com - appfleet is an edge platform that allows its users to deploy containers globally to multiple regions at the same time. With a simple to use UI while automating all the complexity such as smart routing, clustering, failover, monitoring etc. Appfleet is free for open source projects and all users automatically get $10 to host whatever they want.
https://www.docsapp.io - Easiest way to deploy and publish documentation. Completely free for Open Source.