All Side Hustle Ideas
Every idea links to its source

Side hustle ideas from people who actually run them

Real side businesses, described by their owners. Filter by cost, time and how they earn.

Ideas
651
ideas
Publications
14
publications and shows
Categories
8
categories

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  • Files sold online: templates, printables, ebooks, stock photos, fonts, presets, plugins, recorded courses
  • A web app, SaaS, mobile app, browser extension, bot or API that people pay for or that earns from ads
  • A blog, niche website, newsletter, YouTube channel, podcast or social account that earns from ads, affiliate links or sponsors
  • Making, printing or reselling physical goods, online or in person
  • Doing work for clients for a fee: freelance, consulting, done-for-you services, repairs, local services
  • Earning from something you own: renting property, rooms, equipment, vehicles, parking, vending machines, domains
  • A job board, listings site, directory or marketplace that connects buyers and sellers
  • Live tutoring, lessons, workshops, coaching or cohort classes

Matching ideas

About the data

300 ideas, page 2 of 7

  • Software and apps
    Built an online multiplayer version of a domino-based game, funded by donations after ads did poorly.
    Online
    Hacker News, 2022
  • Software and apps
    Built a Mac app for drawing and highlighting on screen during calls and presentations, after needing it personally.
    Online
    Hacker News, 2022
  • Software and apps
    Runs a simulation service that lets traders backtest advanced options strategies, built from a background in processor simulation.
    Over $10kOnline
    Hacker News, 2022
  • Software and apps
    Built a single-player chess variant app without ads or in-app purchases, supported mostly by donations.
    Hands-offOnline
    Hacker News, 2022
  • Software and apps
    Grew from blogging and a self-published book into building an email marketing tool for bloggers and creators.
    Online
    Hacker News, 2022
  • Software and apps
    A newsletter platform built as a better alternative to a tool the owner used, with Markdown support and an API aimed at developers. Started as a side project.
    Online
    Hacker News, 2022
  • Software and apps
    Began hosting game servers for friends, grew into renting servers including scientific computing to universities.
    Over $10kHands-offOnline
    Hacker News, 2022
  • Digital products
    Found a popular product category on a code marketplace and built a better JavaScript image cropper and uploader to sell there.
    Under $100Online
    Hacker News, 2022
  • Software and apps
    Built a compression tool that was slow to compress but fast to decompress and licensed it to big software vendors who shipped floppy disks.
    Hands-off
    Hacker News, 2022
  • Software and apps
    Created a web tool for making GIF memes with text that follows motion, after finding it hard to do elsewhere.
    Hands-offOnline
    Hacker News, 2022
  • Software and apps
    Started a niche credit card processor that has made money for many years.
    Online
    Hacker News, 2022
  • Software and apps
    Began by writing Windows apps for a hospital department and grew it into a SaaS tool for building calculator apps.
    Online
    Hacker News, 2022
  • Software and apps
    A solitaire site that began as a Mac app, found by looking for popular apps with poor reviews, and now supports the owner.
    Online
    Hacker News, 2022
  • Software and apps
    An open source tool for detecting website changes, with a paid hosted subscription and custom work for companies.
    Online
    Hacker News, 2022
  • Software and apps
    A web app that pulls transaction data out of PDF bank statements, built after the owner needed it for personal spending analysis.
    Online
    Hacker News, 2022
  • Software and apps
    Built an embeddable analytics product that avoids cookies, sold as hosted subscriptions and to customers on invoice.
    Online
    Hacker News, 2022
  • Software and apps
    Wrote embedded software and earned a royalty on every device shipped for many years.
    Hands-offOnline
    Hacker News, 2022
  • Software and apps
    Created an open-source email verification tool, then built a paid hosted service on top of it.
    Online
    Hacker News, 2022
  • Software and apps
    A Mac app that creates polished product demo videos from screen recordings using cursor movements and clicks.
    Online
    Hacker News, 2022
  • Software and apps
    Builds small apps and games for niche audiences and earns by adding paid features and selling ad space.
    Online
    Hacker News, 2022
  • Software and apps
    Built a very basic tool for an industry the owner wanted to be part of, then found a larger opportunity there that now supports them full-time.
    Online
    Hacker News, 2022
  • Software and apps
    Software that ties game stats to video footage for coaches, sold to schools in many states.
    Hands-offOnline
    Hacker News, 2022
  • Content and media
    A blog that earns from ads and Patreon support, covering hosting costs and a bit more.
    Online
    Hacker News, 2022
  • Software and apps
    Built a monitoring tool that began with GraphQL services and expanded to all APIs and web apps, running it with a couple of hours of work each workday.
    Part-timeOnline
    Hacker News, 2022
  • Software and apps
    Started by scraping real estate listings for personal use, then built a scraping API that handles blocking and sold access to paying customers.
    Online
    Hacker News, 2022
  • Software and apps
    Built a small tool that emails a weekly digest of newly saved Twitter bookmarks, with paid subscribers.
    Hands-offOnline
    Hacker News, 2022
  • Directories and marketplaces
    Built job listing sites and blogs that run mostly automatically and cover expenses with ads and sponsorships.
    Hands-offOnline
    Hacker News, 2021
  • Digital products
    Wrote helpful articles, collected them into a book sold on Gumroad, and also builds a monitoring SaaS on the side.
    Online
    Hacker News, 2021
  • Content and media
    Built a site comparing glasses retailers that earns affiliate commissions.
    Under $100Hands-offOnline
    Hacker News, 2021
  • Services and freelancing
    Writes custom automation runbooks for networks and provides a web platform where customers run them.
    Part-timeOnline
    Hacker News, 2021
  • Software and apps
    A coupon site for developers plus a set of single-purpose web tools such as encoders and HTML cleaners.
    Hands-offOnline
    Hacker News, 2021
  • Software and apps
    A service where users forward unwanted emails and it finds unsubscribe links and fills web forms for them.
    Online
    Hacker News, 2021
  • Software and apps
    A web app for sharing audio clips with timestamped comments, such as a music teacher giving feedback to a student.
    Online
    Hacker News, 2021
  • Software and apps
    A tool for recording video explanations on pull requests, to reduce misunderstandings during code review.
    Online
    Hacker News, 2021
  • Software and apps
    Built a document editor on a decentralized protocol alongside a day job. Revenue came from grant money from the protocol.
    Online
    Hacker News, 2021
  • Software and apps
    A paid Mac App Store app that grew out of a personal need for a Safari extension that refreshes tabs automatically.
    Hands-offOnline
    Hacker News, 2021
  • Software and apps
    Started a web hosting company on nights and weekends during grad school, which later became a full-time business.
    Online
    Hacker News, 2021
  • Physical products
    Launched hardware security keys with partners, working on it part time at first.
    Over $10kOnline
    Hacker News, 2021
  • Software and apps
    Wrote a Mac app years ago that still makes steady daily sales through the app store without marketing.
    Hands-offOnline
    Hacker News, 2020
  • Services and freelancing
    Does web work for clients and keeps income steady with annual payments for hosting, maintenance and small fixes.
    Online
    Hacker News, 2020
  • Software and apps
    Runs a web tool that migrates data from files like CSV, JSON and XML into MySQL databases, sold to users who need conversions.
    Online
    Hacker News, 2019
  • Software and apps
    Built a web tool for stock technical analysis and offered it white-labeled to companies with distribution, splitting profits with them.
    Hands-offOnline
    Hacker News, 2019
  • Software and apps
    Built a platform for scavenger hunts played on phones. Sells it to team-building event companies and also to individuals for birthdays and parties.
    Online
    Hacker News, 2019
  • Software and apps
    A charting product for data maps, earning from subscriptions and from licensing its chart library.
    Online
    Hacker News, 2019
  • Software and apps
    Turned an internal debugging and remote logging tool for iOS and Android into a subscription product for customers of all sizes.
    Online
    Hacker News, 2019
  • Software and apps
    A browser extension that tests sites for SEO, speed and security best practices, with free and paid tiers.
    Online
    Hacker News, 2019
  • Software and apps
    Built a service with an API that lets businesses send cookies to customers and partners across Europe and the US.
    Online
    Hacker News, 2019
  • Services and freelancing
    Builds and schedules automations for small businesses, using knowledge gained in a day job about common business pain points.
    Online
    Hacker News, 2019