15 ideas
Your own Instagram
A photo and short video sharing app: feed of posts from people you follow, likes, comments and saves, stories that disappear after 24 hours and more.
1–2 weeksYour own TikTok
A vertical short video app: full-screen swipeable video feed, upload and trim clips, likes, comments and shares and more.
Big buildYour own Facebook
A social network for friends and groups: friend requests and a news feed, text and photo posts with reactions, groups with their own feeds and more.
1–2 weeksYour own Snapchat
A disappearing photo messaging app: camera-first screen, send snaps that vanish after viewing, stories for 24 hours and more.
1–2 weeksYour own X (Twitter)
A microblogging network: short posts with images, follow, like, repost and reply, home timeline and profile pages and more.
1–2 weeksYour own LinkedIn
A professional network: profiles with experience and skills, connections and requests, feed of posts and more.
1–2 weeksYour own Reddit
A community forum with voting: communities with their own posts, upvotes and downvotes, nested comment threads and more.
1–2 weeksYour own Pinterest
A visual bookmarking and inspiration board: save pins with an image and link, boards to organise pins, masonry grid home feed and more.
WeekendYour own Threads
A text-first social app: short text posts with replies, follow and a For You feed, quote posts and reposts and more.
WeekendYour own BeReal
A once-a-day photo app: daily notification at a random time, front and back camera photo, two minute window to post and more.
WeekendYour own Letterboxd
A social film diary: log films you watched, ratings and reviews, lists and more.
WeekendYour own Goodreads
A social reading tracker: shelves for read, reading and want to read, ratings and reviews, reading challenge and more.
WeekendYour own Beli
A restaurant ranking app for friends: rank places you have eaten, compare-to-rank flow, friends lists and more.
WeekendYour own Nextdoor
A neighbourhood social network: verify your address, neighbourhood feed, recommendations and more.
1–2 weeksYour own Meetup
Groups and events for local communities: groups with organisers, events with RSVPs, discover nearby events and more.
Weekend
More things to build
Upscalers, background removers, converters and generators. Image tools pull huge search volume and most of the work can run in the browser.
Compressors, croppers, GIF makers, subtitle generators and intro makers that people search for every month.
Voice generators, transcription, trimmers and noise removal. Pair a simple editor with a speech API and you have a product.
Hashtag, caption, title and bio generators, plus schedulers and thread tools. Small AI tools with steady search demand from creators.
Checkers, validators and generators for site owners: sitemaps, robots.txt, meta tags, SSL, speed and broken links.
Resume builders, AI writers and other everyday tools that people search for by name.
Profit, tax, churn, ROI and creator rate calculators. The easiest wins on this page: no backend, one formula, and searchers who are ready to act.
Your own take on ChatGPT, Perplexity, Midjourney, Otter and more, each with a prompt that wires up the API calls for you.
Chat, email and calls, from a Slack for your community to a Discord-style server app.
Swipe stacks, matches and chat for a niche dating app, with safety features built in from the start.
To-do lists, notes, wikis, kanban boards and project trackers. Most are a weekend to a week with Claude Code.
Form builders, help desks, e-signature, website builders and design tools. Plenty of people pay for each of these every month.
CRMs, email marketing, social schedulers and lead tools: the software that businesses pay per seat for.
Budgeting, invoicing, expense tracking, trading journals and more. Where money moves, the prompts point you to a licensed provider.
Job boards, applicant tracking, shift scheduling and HR records for small teams.
Two-sided marketplaces and online stores, from a niche Etsy to a local Airbnb, with payments through Stripe Connect.
Scheduling, appointments, reservations and point of sale for local businesses: some of the easiest software to sell.
Workout logs, calorie counters, meditation and running plans. Many are a weekend build with a clear audience.
Flashcards, quizzes, courses and homework help, with Claude generating the lesson content.
Streaming, players, live video and media databases, with a video or audio API doing the heavy lifting.
Link-in-bio pages, newsletters, digital product stores, memberships and video editors for creators.
Maps, trail finders, flight trackers and booking tools built on open map data and travel APIs.
Scanners, file storage, password managers, blockers and other everyday tools.
Original browser games in the genres of the classics: puzzle, arcade, platformer, runner and party games. Your own name, art and levels, with familiar mechanics.
Give Claude more to work with while it builds: skills, MCP servers and subagents. Once it ships, use the overnight prompts to find users for it.