12 ideas
Your own ChatGPT
An AI chat assistant: chat UI with streaming replies, conversation history in a sidebar, rename, search and delete chats and more.
WeekendYour own Granola
An AI meeting notes app: record meeting audio, live transcript, aI notes merged with your own bullet points and more.
1–2 weeksYour own Perplexity
An AI answer engine with sources: ask a question in natural language, web search behind the scenes, answer with numbered citations and more.
1–2 weeksYour own Grok
An AI chatbot with a personality and live news: chat with streaming replies, personality modes, answers grounded in recent news and more.
WeekendYour own Character.AI
Chat with AI characters: create a character with a persona and greeting, chat with streaming replies, browse public characters and more.
WeekendYour own Otter.ai
An AI transcription and meeting notes app: upload or record audio, transcript with speakers, search across transcripts and more.
WeekendYour own Wispr Flow
Voice dictation that writes clean text anywhere: hotkey to start dictating, speech to text, aI cleanup of filler words and punctuation and more.
1–2 weeksYour own Midjourney
An AI image generator: prompt box with style options, grid of results with upscale and variations, gallery of your images and more.
WeekendYour own Grammarly
An AI writing assistant: paste or type text, inline suggestions for grammar and clarity, tone detector and more.
1–2 weeksYour own ElevenLabs
AI voice generation: text to speech with voices, voice settings, projects for long audio and more.
1–2 weeksYour own Suno
AI music generation: describe a song, generate tracks, lyrics editor and more.
1–2 weeksYour own NotebookLM
An AI research notebook over your sources: upload PDFs and links as sources, chat grounded in sources with citations, summaries and study guides and more.
1–2 weeks
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.
Feeds, follows, stories and communities: prompts for your own Instagram, Reddit, Threads or Letterboxd for a niche.
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.