Here's the entire list from that site:

"Create a Crunchbase page"

"Share your website on Startupli.st or Erlibird.com"

"Share your pre-launched website on Betalist.com"

"Respond to unanswered questions in your niche on Quora. Look for questions with a lot of people waiting for an answer.",

"Submit a free press release using a service like PRlog"

"Message meetup coordinators and ask for speaking gigs at local events"

"Film your speaking gigs and share videos of your talks on your blog"

"Send personalized E-mails to your existing users, ask for referrals or their help promoting your company"

"Create an infographic, share on free distribution sites like Visual.ly and Pinterest."

"Write a post called â€œOur competitor vs Our Companyâ€ - This will attract search engine traffic looking for reviews of your competitor"

"Submit a presentation or slidedeck to Slideshare"

"Giveaway a free ebook, and let users download it in exchange for their email address"

"Write a â€œhow-toâ€ guide on Medium for something that is difficult in your industry"

"Promote your product in your email signature"

"Sponsor a newsletter on Upstart.me & promote your product to other people's lists"

"Submit your product to Producthunt.com"

"Create a free online course on a topic related to your product"

"Reach out to relevant bloggers and ask to write a guest post on their blog (don't forget to include a link to your project)"

"Update your Linkedin status and link back to your website"

"Grow your social media follower base by following the followers of your competitors"

"Create relevant Youtube videos and add relevant keywords in the title and description"

"Run Facebook Ads"

"Run Google Ads"

"Run Twitter Ads"

"Run Linkedin Ads"

"Subscribe to Helpareporter.com and provide quotes to journalists"

"Reach out to podcasts to get interviewed"

"Start your own podcast"

"Let your first 100 users pay with a tweet, to sign up in exchange for a share"

"Create a Facebook page"

"Make your UI remarkable and shareworthy"

"Run Stumbleupon ads"

"Get an Instagram influencer in your niche to promote your product"

"Get a Youtube influencer in your niche to promote your product"

"Get a popular Facebook page in your niche to promote your product"

"Add screenshots of your product to a Pinterest board"

"Create a profile on Angel.co"

"Ask your friends to share it with their friends"

"Sponsor a hackathon"

"Sponsor an event by offering a service (instead of money) in exchange for promoting your product"

"Go live on Periscope and talk about your product"

"Engage in online forums where your target audience is hanging out"

"Write on-topic comments on Reddit.com where your product seems to be a solution to the discussion"

"Start a Facebook group"

"Post articles to Reddit.com in relevant subreddits"

"Submit your project to ShowHN on Hackernews"

"Comment on industry blogs"

"Host giveaway contests on social media"

"Offer discounts in exchange for sharing your website"

"Create a free Slack community for your target audience"

"Host a webinar"

"Start a daily email newsletter where you link to relevant news that your audience might be interested in"

"Giveaway t-shirts with your logo & website on them"

"Create different landing pages with different messages, that all link to your main website"

"Attend conferences and talk to as many people as you can"

"Be the bonus in someone else's product. Let a different company promote you to their audience in exchange for a commission"

"Got a beautifully designed product? Apply for design awards."

"Create a course on Udemy.com"

"Advertise at conferences"