Idea

Solo Developer

Ideas for Solo Developers

Ask the data real businesses · real revenue · cited

Matching your filters

16 businesses

94% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$40K /mo

Middle half earn $20K – $60K/mo

How they grow

Business models

Showing 16 of 16 case studies

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Built With

AI Excel formula generator

AI tool that generates Excel formulas instantly

betteranalyst.com

$30K/mo

Productized service platform

"All-in-one platform for productized service businesses."

usequeue.com

$100K/mo

Linkedin outreach automation

LinkedIn lead generation automation tool.

gocastanet.com

$60K/mo

Pdf document generation API

PDF generation tool for non-coders.

craftmypdf.com

$20K/mo

Side hustle advice platform

Podcast and blog guiding side hustlers to success.

sidehustlenation.com

$40K/mo

AI-powered Twitter growth tool

All-in-one tool for Twitter audience growth.

tweethunter.io

$40K/mo

Email prioritization tool

Email management tool batching messages for focused productivity.

mailmanhq.com

$30K/mo

Simple website hosting tool

Drag-and-drop hosting for easy web sharing.

tiiny.host

$40K/mo

Automatic time tracking app

Automatic time-tracking app for freelancers.

klokki.com

$400/mo

Website building video course

"DIY web design courses for aspiring entrepreneurs."

webdesigneracademy.com

$40K/mo

Creative project fulfillment service

Subscription service for fast, affordable creative content.

quantumda.co

$200K/mo

Email unsubscribe management tool

"Tool to easily unsubscribe from unwanted emails."

leavemealone.com

$10K/mo

WordPress client project portal

Client portal plugin for managing client projects.

client-portal.io

$4K/mo

Automated sales calculator

Automated sales calculators for small businesses.

convertcalculator.com

$20K/mo

Employee time tracking app

Time tracking and productivity software for remote teams

hubstaff.com

$2M/mo

Social media post scheduler

"AI-powered social media management for busy entrepreneurs."

robopost.app

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Idea	Revenue	Model	Growth	Customers	Tools	Details	Solo score A 0–100 estimate of how well-suited a business is to being run solo (or very lean). It blends team leanness, business model, growth channels, capital intensity, revenue per operator, tooling leverage and recency into one score. Higher = more solopreneur-friendly.
AI Excel formula generator betteranalyst.com AI tool that generates Excel formulas instantly	$30K/mo	SaaS +2	Word of mouth Brand Authenticity +1	Finance Professionals +9	+8	Founded 2022 · Solo founder · $200 to start	87	Build this
Productized service platform usequeue.com "All-in-one platform for productized service businesses."	$100K/mo	Subscription +1	Affiliate program Word of mouth +1	Agency Owners +6	CU +7	Founded 2020 · 3 people · $1K to start	77	Build this
Linkedin outreach automation gocastanet.com LinkedIn lead generation automation tool.	$60K/mo	SaaS +2	Affiliate program Advertising on social media +1	Consultants +3	AW +2	Founded 2018 · Solo founder · $100 to start	89	Build this
Pdf document generation API craftmypdf.com PDF generation tool for non-coders.	$20K/mo	Subscription +2	Word of mouth Advertising on social media +1	Citizen Developers +7	+24	Founded 2020 · Solo founder · $800 to start	83	Build this
Side hustle advice platform sidehustlenation.com Podcast and blog guiding side hustlers to success.	$40K/mo	Affiliate marketing +5	Word of mouth SEO +1	Side Hustlers +3	+4	Founded 2013 · Solo founder · $300 to start	79	Build this
AI-powered Twitter growth tool tweethunter.io All-in-one tool for Twitter audience growth.	$40K/mo	Subscription +2	Affiliate program Word of mouth +1	Founders +8	CU CA +11	Founded 2021 · 2 co-founders · Built in 7 days	82	Build this
Email prioritization tool mailmanhq.com Email management tool batching messages for focused productivity.	$30K/mo	Subscription +2	Word of mouth Pay Per Click Advertising +1	Busy Professionals +12	PR +23	Founded 2020 · 5 people · $30K to start	67	Build this
Simple website hosting tool tiiny.host Drag-and-drop hosting for easy web sharing.	$40K/mo	Subscription +2	Word of mouth Facebook Community +1	Designers +5	CR +5	Founded 2019 · Solo founder · $100 to start	80	Build this
Automatic time tracking app klokki.com Automatic time-tracking app for freelancers.	$400/mo	One-time purchase +2	Advertising on social media SEO +1	Makers +3	+6	Founded 2018 · 2 co-founders · Dresden, Saxony, Germany, Germany	63	Build this
Website building video course webdesigneracademy.com "DIY web design courses for aspiring entrepreneurs."	$40K/mo	Course +2	Facebook Community Email marketing	New Online Business Owners +8	CO +50	Founded 2015 · Solo founder · $500 to start	87	Build this
Creative project fulfillment service quantumda.co Subscription service for fast, affordable creative content.	$200K/mo	Subscription +1	Word of mouth Advertising on social media +1	VPs of Marketing +6	+1	Founded 2021 · 4 people · Built in 30 days	60	Build this
Email unsubscribe management tool leavemealone.com "Tool to easily unsubscribe from unwanted emails."	$10K/mo	One-time purchase +4	Word of mouth Referral Program +1	Digital Nomads +5	+22	Founded 2018 · 2 co-founders · $1K to start	79	Build this
WordPress client project portal client-portal.io Client portal plugin for managing client projects.	$4K/mo	Software license +2	Email marketing SEO	Freelancers +5		Founded 2016 · Solo founder · $5K to start	72	Build this
Automated sales calculator convertcalculator.com Automated sales calculators for small businesses.	$20K/mo	SaaS +1	Affiliate program Referral Program +1	Small Business Owners +4	+5	Founded 2017 · Solo founder · Built in 15 days	80	Build this
Employee time tracking app hubstaff.com Time tracking and productivity software for remote teams	$2M/mo	SaaS +1	SEO Word of mouth +1	Agencies and Freelancer... +8	+20	Founded 2013 · 54 people · Indianapolis, Indiana, USA, United States	59	Build this
Social media post scheduler robopost.app "AI-powered social media management for busy entrepreneurs."	—	SaaS	Word of mouth SEO +1	Freelancers +3		Founded 2023 · Solo founder · Built in 60 days	84	Build this

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Idea	Revenue
Crm marketing attri...	$100K/mo
No-code Airtable AP...	$20K/mo
Pdf bank statement ...	$40K/mo
Ai music video gene...	$20K/mo