All Side Hustle Ideas

Software and apps side hustle ideas

A web app, SaaS, mobile app, browser extension, bot or API that people pay for or that earns from ads.

205 ideas, page 3 of 5

  • Software and apps
    Built a service that keeps software dependencies up to date and supports multiple programming languages. It started as a passive project and became a full-time company.
    Online
    Hacker News, 2018
  • Software and apps
    Built a documentation product that earned its first revenue with little maintenance, and is planning a second version.
    Hands-offOnline
    Hacker News, 2018
  • 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
    Publishes several Android apps on Google Play. One got an editor's pick, which boosted sales for a while.
    Hands-offOnline
    Hacker News, 2018
  • Software and apps
    Built a web-based synth and drum machine that is free as a demo. Sells a downloadable desktop version without the restrictions.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Sells a cross-platform desktop task manager with a Kanban-style board, through a trial-based license on Gumroad and the Mac App Store.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Runs a site showing historical average weather by city and month. Income so far is from ad revenue, with plans to add more features.
    Online
    Hacker News, 2016
  • Software and apps
    A competitor monitoring product that began as a side project and grew into a systemised business with a team, so the owner now acts more like an investor.
    Hands-offOnline
    Hacker News, 2016
  • 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
    A subscription tool that watches DNS zones for changes and alerts the owner, keeping a revision history. Aimed at people who manage DNS for clients.
    Online
    Hacker News, 2016
  • Software and apps
    Built a document management and review web app for a large company and gets a monthly maintenance fee, needing very little time each month.
    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
    Software for protecting source code with encryption, built to meet the owner's own need when existing products were very expensive. It has produced steady income for years with a small remote team.
    Online
    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
  • Software and apps
    A desktop tool that shrinks images without visible quality loss. Offered as a free version with paid upgrades, plus plugins for design software.
    Online
    Hacker News, 2016
  • Software and apps
    A lossless screen recording app for macOS sold through the Mac App Store and its own site. Adds features like animated GIF export to keep sales coming in.
    Online
    Hacker News, 2016
  • Software and apps
    Built an online exam preparation platform for aspiring medical students together with a sibling. Once launched it needed very little upkeep and sold access to students.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Runs a multiplayer Boggle-style game online. It earns from advertising and paid memberships.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Develops watch faces for Android Wear and sells them as paid apps on the Play Store.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Publishes native apps and games along with HTML5 games, earning from app store sales. Income has declined as the stores have changed.
    Online
    Hacker News, 2016
  • Software and apps
    Runs a set of small web apps for learning music notes, non-Latin alphabets and languages with flash cards. Income comes from ads and paid premium plans.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Sells a productivity app that grows through users sharing it with friends, and is developing a related subscription product based on customer feedback.
    Online
    Hacker News, 2016
  • Software and apps
    Built online prep resources for UK medical school entrance exams. Students pay for access, mostly in the months before the exams.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    A service where customers text a photo and a physical postcard is mailed. Built with a web framework and an SMS API, and paid per postcard.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Built a service that delivers updates for private WordPress plugins and themes, which developers otherwise find painful to manage. Customers pay for the service.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Sells a watermarking tool, and also runs a multi-week video productivity course that is paid for each time a new class fills.
    Online
    Hacker News, 2016
  • Software and apps
    Builds small single-purpose mobile apps such as calculators and a flashlight. Some are sold for a fee and others earn from in-app ads.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    A service that generates website thumbnails automatically. The owner bought it from another person, kept developing it, and earns from its customers.
    Online
    Hacker News, 2016
  • Software and apps
    Built a set of web tools for converting between data formats like CSV. Income comes mostly from Google ads plus an occasional affiliate link.
    A few hours a weekOnline
    Hacker News, 2016
  • Software and apps
    Runs a website that helps people practice music notation. It has earned steadily for years.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    A tool that started as a way to create your own Hacker News style site and grew into software for creating, managing and growing online communities.
    Online
    Hacker News, 2016
  • Software and apps
    Runs a free tool that lets people make colored maps of countries and regions. Income comes from display ads and occasional donations.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Sells a game for iPad through the App Store, which sold with almost no ongoing effort until app updates were needed for new platform requirements.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Maintains a free open source gem for running test suites in parallel and sells a paid pro version of it. Revenue comes from pro subscriptions.
    Online
    Hacker News, 2016
  • Software and apps
    Built a mobile app that tracks commuter rail trains in real time. Downloads spike whenever the transit system has service problems.
    Online
    Hacker News, 2016
  • Software and apps
    Earns ongoing royalties from programming books written years ago, with little active work now.
    Hands-offOnline
    Hacker News, 2016
  • Software and apps
    Builds small web tools that solve narrow business problems, often around obscure shipping forms or data formatting chores. Income comes from display ads on the tools that get found.
    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
    Builds and sells many iPhone apps, with updates and freelance on the side.
    Hands-offOnline
    Hacker News, 2014
  • Software and apps
    Built a minimalist wine catalog app for iPhone, sold as a paid app.
    Hands-offOnline
    Hacker News, 2014
  • Software and apps
    Runs a self-serve service that converts US addresses to coordinates through an API or CSV upload.
    Online
    Hacker News, 2014
  • Software and apps
    An Android app that syncs with a task manager, sold on Google Play.
    A few hours a weekOnline
    Hacker News, 2014
  • Software and apps
    Built an Android app that added features to a popular messaging app, earning from an in-app purchase and ads until it was removed from the store.
    Hands-offOnline
    Hacker News, 2014
  • Software and apps
    Built a simple Android shopping app that earned from Amazon affiliate links and ads.
    Hands-offOnline
    Hacker News, 2014
  • 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 a business software product that still brings in monthly revenue with little attention.
    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
    Sells a Mac utility for cleaning disk space on the Mac App Store, with little marketing.
    Hands-offOnline
    Hacker News, 2014