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

43 ideas

  • Services and freelancing
    The operator sets up chatbots and voice receptionists for local businesses on a marketing platform, with a setup fee and a monthly plan. A free trial and a personalized demo are used to win clients.
    Online
    The Koerner Office, 2026
  • Software and apps
    An iOS fitness app built to solve the founder's own problem at the gym. The founder had never shipped code before and grew it with content and a personal brand.
    $100 to $1kOnline
    Starter Story, 2026
  • Software and apps
    The operator runs a few near-identical sites that each sell access to a niche database, such as investors, angels or journalists. The revenue model is not stated in the source and is likely paid access.
    Online
    Starter Story, 2026
  • Software and apps
    A micro-SaaS that replaces messy spreadsheets for agencies and e-commerce brands trying to make sense of their data. The founder spotted the problem while consulting for these businesses and built the app with Claude.
    Online
    Starter Story, 2026
  • Content and media
    An intentionally boring bedtime story podcast that helps grown-ups fall asleep. Income comes from a premium membership, books and other streams around the free show.
    Online
    Side Hustle Nation, 2026
  • Software and apps
    After leaving an agency, the operator built a directory-related software tool that earns recurring revenue and is adding a lead-gen angle.
    Online
    Niche Pursuits Podcast, 2026
  • Services and freelancing
    A one-person operator deploys AI agents for executives at small firms and handles their requests through a shared ticket board. The client pays one monthly price that covers every automation, model cost and upkeep.
    Online
    Nick Vasilescu (YouTube), 2026
  • Services and freelancing
    An agency generates customer leads for local businesses and charges a monthly fee. It was dropped later for opportunity cost.
    Online
    The Koerner Office, 2025
  • Software and apps
    A members-only group charges a recurring or lifetime fee for access to a niche audience and its resources. The host promotes it from an existing audience.
    Online
    The Koerner Office, 2025
  • Content and media
    A paid membership that delivers private podcast episodes mixing public domain radio shows with cleaning routines and prompts. Members pay a monthly or quarterly fee.
    Online
    Side Hustle Nation, 2025
  • Software and apps
    Sells middleware that lets developers access Airtable and Google Sheets data through GraphQL.
    Online
    Hacker News, 2024
  • Software and apps
    A checklist app built for the owner's own routines that now earns recurring income.
    Hands-offOnline
    Hacker News, 2024
  • Software and apps
    A random number service sold through a website and a cloud marketplace listing, left running with little attention.
    Hands-offOnline
    Hacker News, 2024
  • Software and apps
    Runs a subscription tool that converts PDF bank statements into CSV, used mostly by individuals, bookkeepers and small business owners.
    Online
    Hacker News, 2024
  • 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
    Created an open-source email verification tool, then built a paid hosted service on top of it.
    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
    Built a small tool that emails a weekly digest of newly saved Twitter bookmarks, with paid subscribers.
    Hands-offOnline
    Hacker News, 2022
  • Software and apps
    A tool for recording video explanations on pull requests, to reduce misunderstandings during code review.
    Online
    Hacker News, 2021
  • 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
    A charting product for data maps, earning from subscriptions and from licensing its chart library.
    Online
    Hacker News, 2019
  • Software and apps
    Runs a subscription service that lets sites display announcement banners.
    Hands-offOnline
    Hacker News, 2019
  • Software and apps
    Sells a web service that randomly sends text reminders for kids to call their parents or for adults to call theirs.
    Hands-offOnline
    Hacker News, 2019
  • Teaching and coaching
    Makes screencasts that teach the Elixir language and sells access to them.
    Online
    Hacker News, 2019
  • Teaching and coaching
    Teaches people to build projects without code, earning from memberships and from companies that pay to be listed and to have educational content made.
    Online
    Hacker News, 2019
  • Software and apps
    Produces long, project-based video lessons on the Elixir language, with free videos on YouTube and premium content for paying subscribers.
    Online
    Hacker News, 2018
  • Software and apps
    Built a simple CMS and CRM for a freelance client and set up automated billing per user. Income grows as the client's user base grows.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Built a tool that takes a keyword, translates it into many languages and shows available .com domains. It has earned some revenue from users.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Lets a couple of people use a personal instance of an open source program they run, so they do not have to host it themselves, in exchange for a small monthly fee.
    Hands-offOnline
    Hacker News, 2016
  • Digital products
    Sells paleo diet guides and a meal plan service online.
    Online
    Hacker News, 2016
  • Services and freelancing
    Designs websites for clients and hosts them on cloud infrastructure, collecting monthly web and email hosting fees.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    A paid RSS reader that is open source and runs on a managed cloud platform. Users pay a subscription handled through a payment processor, and it needs almost no ongoing effort.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    A web app for sending and reading anonymous messages, with paid accounts adding extra features.
    Hands-offOnline
    Hacker News, 2014
  • Software and apps
    Built an iPhone photo reminder app that Apple featured, earning without marketing spend.
    Hands-offOnline
    Hacker News, 2014
  • Software and apps
    Built and maintains an ad server script with a hosted SaaS version, sold to site owners.
    Online
    Hacker News, 2014
  • Software and apps
    Built developer tools for testing WCF services, since expanded to several products and recommended by developers on Q&A sites.
    Online
    Hacker News, 2014
  • Software and apps
    A proxy service for advertisers who want to see international ads and geotargeted landing pages, sold at a flat monthly price after minimal promotion on forums.
    Online
    Hacker News, 2011
  • Software and apps
    Built an anti-piracy licensing system for their own Android apps and then sold it to other developers as a subscription service.
    Hands-offOnline
    Hacker News, 2011
  • Software and apps
    Sold software that lets people build their own social network, later releasing the code for free.
    Online
    Hacker News, 2011
  • Services and freelancing
    The operator builds search-ranked sites for local trades such as junk removal and auto glass, then rents the resulting phone leads to contractors for a flat monthly fee. Costs per site are small.
    Online
    The Koerner Office
  • Services and freelancing
    A seller packages a website, review collection, Google profile and branding for local contractors and sells it by phone for a monthly fee. Leads come mostly from local Facebook groups.
    Online
    The Koerner Office
  • Services and freelancing
    The consultant joins a small number of clients on screen-share calls each month and helps them turn their own workflows into reusable AI skills, with light chat support between calls. Clients pay a monthly retainer, and the consultant caps how many clients to keep the work manageable.
    Online
    The Startup Ideas Podcast