37 Javascript Project Business Ideas You Can Start Today [2024]

Updated: July 23rd, 2023

Interested in starting a javascript project business in 2024?

We put together 37 of the best javascript project businesses you can start in today.

For each business idea, we’ll show you real-world examples of other javascript project businesses to help you see what it really takes.

Here's the full list:

1. Start a visual countdown timer app business

How much you can make: $8,333/month

How We Built An $8K/Month Niche Online Tool [Business Idea Validated On Reddit]

Stagetimer generates $8,000 in monthly revenue by providing a simple online countdown timer for event producers to keep meetings and presentations on time, built based on a need in the market and validated through word of mouth and search engine optimization.

About
Lukas started stagetimer.io about 2 years ago
Revenue
Lukas grew the business to $8.33K/month
Read by 10,578 founders

2. Start an integrated digital marketing tools business

How much you can make: $250,000 — $1,666,666/month

How We Started A $3M/Year Digital Marketing Agency In Just 90 Days

Huemor is a successful digital marketing agency with over 200 company transformations, over 100 international awards, and a team beyond 40 people, scaling YoY at 74%, with an average project value of $67,500 and 2.7 year average client relationship.

About
Jeff started Huemor about 12 years ago
Revenue
Jeff grew the business to $250K/month
Read by 3,759 founders

3. Start a weather project business

4. Build a rock paper scissor game app

5. Start an online book reading app business

How much you can make: $50,000/month

How We Started A $50K/Month Cloud-Based CRM Software

Workbooks CEO, John Cheney, shares how he identified a gap in the market for affordable CRM solutions for mid-sized businesses and, after raising over £8m in seed capital, expanded globally, serving over 1,400 customers across 30 countries.

About
John started Workbooks CRM about 17 years ago
Revenue
John grew the business to $50K/month
Costs
It cost John $1000000 to start the business
Read by 4,746 founders

6. Start a contact form project business

7. Start an image slider project business

How much you can make: $30,000/month

We Started A $360K/Year Business Selling WordPress Themes And Plugins [From Brazil]

Visualmodo co-founders Claudio Pires and Jared Dias started a global WordPress theme development company which generates $360k per year, with the market growing rapidly.

About
Claudio started Visualmodo about 14 years ago
Revenue
Claudio grew the business to $30K/month
Costs
It cost Claudio $10003 to start the business
Read by 3,110 founders

8. Start a learning management app business

How much you can make: $83,333/month

Disco helps hundreds of customers facilitate live learning, can they beat hopin?

Disco's all-in-one platform for knowledge creators and organizations to build their live learning empires raised $5M pre-seed funding in 2021, closed a $15 million Series A funding round led by GSV Ventures.

About
Chris started Disco about 4 years ago
Revenue
Chris grew the business to $83.3K/month
Read by 549 founders

9. Start a real-time IOT OS app business

10. Start a word counter project business

11. Start a video creation app business

How much you can make: $2,300 — $100,000/month

How We Launched A $75K/Month Audio Sharing App For Podcasters

Wavve, a SaaS product helping podcasters and audio creators promote their content on social media, has grown to $75k in monthly recurring revenue with over 70,000 signups and clients including ESPN Radio, Dave Ramsey, and BBC.

About
Baird started Wavve about 7 years ago
Revenue
Baird grew the business to $100K/month
Read by 9,480 founders

12. Start a test-to-speech project business

How much you can make: $4,000 — $3,735,000/month

How I Launched A $400K/Year All-In-One Video Marketing Software

Video Jaguar is an all-in-one video marketing software that has generated $25,038.74 in sales from August-December 2019, $188,672.22 in sales in 2020, and is now doing $32,911.77/month in sales with an expected $700K in sales in the current year while boasting a gross margin of 80%.

About
Tim started Video Jaguar over 4 years ago
Revenue
Tim grew the business to $32K/month
Costs
It cost Tim $18000 to start the business
Read by 5,304 founders

13. Build a real-time chat app

Chatbots have a massive implication in easing things for businesses and customers. For instance, when customers come to your website, they have an easy time figuring out where to look for information. Chatbots help to:

  • Improve dwell time
  • Facilitates better searches
  • Help get better ratings
  • Collect data for better insights and improvement

Website owners are looking for ease of navigation, and that’s what real-time chatbots offer. Thus, starting a real-time chatbot development business can be a great business.

How much you can make: $7,500 — $83,333/month

I Built A Live Chat Tool In My Spare Time And Now Make $90K/Year

Lithuanian developer turned open-source guru builds and grows Live Helper Chat, attracting thousands of clients, and generates $90k/year, all in his spare time, without any marketing or investors.

About
Remigijus started Live helper chat over 14 years ago
Revenue
Remigijus grew the business to $7.5K/month
Read by 3,020 founders

14. Start a day of week JavaScript project business

How much you can make: $3,735,000/month

Khan Academy: Sal Khan - How I Built This

A former hedge fund analyst left his job to create a non-profit online teaching platform, which started with free tutorials on Youtube and now offers hundreds of free recorded tutorials in dozens of languages that is used by 30 million users a month.

About
Sal started Khan Academy almost 15 years ago
Revenue
Sal grew the business to $3.74M/month
Read by 739 founders

15. Build a background color changing app

16. Start a tip calculator app business

17. Start a product filter project business

How much you can make: $100,000/month

Starting A Vacuum Business and Growing to $100k/month

Chad Rubin, founder of Think Crucial and CEO of Skubana, shares his experience in building and scaling his e-commerce business from scratch using scrappy tactics and integrated e-commerce management software.

About
Chad started Think Crucial about 16 years ago
Revenue
Chad grew the business to $100K/month
Read by 6,252 founders

18. Start an event management app business

How much you can make: $5,000 — $2,500,000/month

Graduating and Raising $15,000 for a New Clothing Brand

This case study highlights how a men's apparel company founded by Paul in California successfully raised $15,000 through Kickstarter.

Revenue
They grew the business to $5K/month
Read by 1,001 founders

19. Start a grocery delivery app business

20. Start a quiz project business

21. Start a budget tracker project business

How much you can make: $50,000/month

I Left My Job At Facebook To Go Full-Time On My Budgeting App [$600K/Year]

Bootstrapped budgeting app Buxfer, founded by Shashank Pandit, has grown organically to profitability with a 15-person team and $0 spent on marketing, targeting niche "finance power users" with strong connections to banks all over the world.

About
Shashank started Buxfer about 17 years ago
Revenue
Shashank grew the business to $50K/month
Costs
It cost Shashank $50000 to start the business
Read by 3,554 founders

22. Start a BMI calculator javascript business

23. Build a world scrabble game app

24. Start a typing test project business

How much you can make: $3,735,000/month

Khan Academy: Sal Khan - How I Built This

A former hedge fund analyst left his job to create a non-profit online teaching platform, which started with free tutorials on Youtube and now offers hundreds of free recorded tutorials in dozens of languages that is used by 30 million users a month.

About
Sal started Khan Academy almost 15 years ago
Revenue
Sal grew the business to $3.74M/month
Read by 739 founders

25. Start a height conversion business

26. Start a clock project business

27. Start a modal creation with HTML/CSS business

28. Start a hospitality app business

How much you can make: $18,000 — $25,000/month

How I Went From Property Manager To Starting An $18K/Month 420-Friendly Airbnb

Vibesbnb, a cannabis-friendly lodging service similar to Airbnb, has handled over 5,000 reservations related to cannabis tourism and generates a monthly booking revenue of $13k to $18k, offering a community that eliminates smoking fines, cancellations, and discourages police activity centered around the possession of cannabis, and recommends a framework of policy to host and guest.

About
Deontae started Vibesbnb over 4 years ago
Revenue
Deontae grew the business to $18K/month
Costs
It cost Deontae $18000 to start the business
Read by 2,816 founders

29. Start a trading platform

30. Start a number guessing game project business

31. Start a to do list business

How much you can make: $1,466,666/month

How a Simple Idea Turned Into a Product Loved By Millions of Users
About
Michael started Trello about 10 years ago
Revenue
Michael grew the business to $1.47M/month
Read by 22 founders

32. Start a random quote generator business

How much you can make: $1,000/month

I Turned My Love For Quotes Into A Social Media Website That Gets Over 200K Visitors/Month

OurCaptions founder Siddharth Malhotra shares how he built a social media website that attracts over 200k visitors per month purely via organic searches, and offers tips on writing SEO-optimized articles.

About
Siddharth started Our captions about 5 years ago
Revenue
Siddharth grew the business to $1K/month
Costs
It cost Siddharth $50 to start the business
Read by 2,974 founders

33. Build a drum kit game app

How much you can make: $5,000/month

Graduating and Raising $15,000 for a New Clothing Brand

This case study highlights how a men's apparel company founded by Paul in California successfully raised $15,000 through Kickstarter.

Revenue
They grew the business to $5K/month
Read by 1,001 founders

34. Start a job portal business

How much you can make: $10,000 — $1,000,000/month

How I Started A $25K/Month Job Search Advice Website

Career Sidekick founder Biron Clark shares how he turned his job search advice website into a multiple six-figure per year business, earning approximately $25,000 per month from revenue streams predominantly based on display advertising and affiliate marketing.

About
Biron started Career Sidekick over 10 years ago
Revenue
Biron grew the business to $50K/month
Costs
It cost Biron $200 to start the business
Read by 9,665 founders

35. Build a coin toss app

36. Start a search engine project business

37. Start a JS calculator project business

meet the author
Pat Walls

I'm Pat Walls and I created Starter Story - a website dedicated to helping people start businesses. We interview entrepreneurs from around the world about how they started and grew their businesses.