> nemobuilds // build log

I build products. One after another.

Every product I ship lives here, in launch order: SaaS, AI assistants for Claude and ChatGPT, a love-letter app, a Mac app, two games and a web browser. 21 builds since February 2026, and the next one is already on the bench.

18Live
1In progress
2015First code written
2Building now
Launch order

The build log

Oldest first, dated by the day each product's first repo was created on GitHub.

  1. Affiliate storefronts · Web app

    Zelect

    Zelect turns product links from Amazon, Shopee, Mercado Livre or AliExpress into an affiliate storefront with photos, prices and categories. One link for your bio, and no commission on your sales.

    • Paste a link and Zelect pulls the photo, title and price
    • Products grouped into categories on one shareable storefront
    • Free plan, and you keep 100% of your affiliate commission
    • English, Spanish and Portuguese
    Visit zelect.io ↗ Rails API · Next.js · Postgres
  2. Video editing · Web app + MCP

    Easy Reels

    Easy Reels is a beat sync video app. Drop in your footage and a song: it finds the beats, cuts your clips onto them and renders a 9:16 video ready to post on Reels, TikTok and Shorts.

    • Beats detected automatically, every cut lands on one
    • Templates that turn one edit into a batch of reels
    • An MCP server so Claude and ChatGPT can edit from your library
    • 7 days of full access to try it
    Visit easyreels.io ↗ Rails API · Python + FFmpeg workers · React
  3. Publishing · Web app

    bukpress

    bukpress turns a Markdown draft into a typeset A4 PDF and a reflowable EPUB, with a live page preview. Made for lead magnets, workbooks, course handouts and ebooks.

    • Paste Markdown, pick the type and the paper, download the book
    • Live preview that breaks each page the way the export will
    • PDF and EPUB from the same draft
    • Free for 20 exports a month, no watermark on any plan
    Visit buk.press ↗ Rails API · Python typesetting worker · React
  4. Photo and video color · Mac app

    BatchTone

    BatchTone is a Mac app that applies a .cube LUT to a whole folder of photos and video at once, with a strength dial on every file. Everything runs on your Mac; nothing is uploaded.

    • One LUT across a whole shoot of photos and video
    • A strength dial per file, because 100% is rarely right for all of them
    • Runs locally on macOS, files never leave your Mac
    • On the Mac App Store with a seven-day trial and one payment
    Visit batchtone.com ↗ Flutter · Metal shaders · macOS
  5. AI assistant · MCP + desktop app

    Nexin

    Nexin is a library of ready prompts, skills, templates and tutorials for working with AI, plus tools that fetch real data. It plugs into Claude and ChatGPT, and has a desktop app with a quick search.

    • Prompts, skills, templates and tutorials, with new items every week
    • Tools that fetch real data, like social profiles and keyword volume
    • Works inside Claude and ChatGPT through MCP
    • Desktop app with a keyboard shortcut search (Mac beta)
    Visit nexin.si ↗ Rails 8 · MCP · Tauri
  6. Copywriting and SEO · MCP

    Copix

    Copix is a copywriting assistant inside Claude, ChatGPT and Cursor. He hands your AI the method for each ad, page and email, reviews every draft line by line and keeps your business brief.

    • The method for each asset before your AI writes a word
    • Line by line review that flags generic AI copy
    • SEO, GEO, conversion and ads engines on live pages and ads
    • Your brief saved once and used in every chat
    Visit copix.si ↗ Rails 8 · MCP · DataForSEO
  7. Notes and memory · MCP

    Valta

    Valta keeps one vault of Markdown notes that Claude, ChatGPT and every AI with MCP can read and write. Save something in one chat and find it in another assistant the next day.

    • One Markdown vault shared by every AI you use
    • Search, save, link and move notes from the chat
    • A graph of how your notes connect
    • Your notes stay plain Markdown, ready to export
    Visit valta.si ↗ Rails 8 · MCP · Postgres
  8. Love letters · Web app

    Crush on You

    Crush on You lets you write a love letter or crush confession, pick a design and send it as a private link. They open an envelope, read it and answer with one tap, and you see when it was opened.

    • A private link instead of a text message
    • Letter designs and an envelope to open
    • Yes, Maybe, Let's talk or No replies with one tap
    • English, Portuguese and Spanish, no account needed to start
    Visit crushonyou.app ↗ Rails 8 · Postgres · Stripe
  9. Launch directory · Web app

    LaunchGP

    LaunchGP is a launch directory run like a race season. New products line up on the grid every Monday, votes set the order, and the podium keeps a permanent dofollow backlink.

    • A weekly Grand Prix with a live grid and lap times
    • Votes become points across the season standings
    • Podium finishers keep a dofollow backlink
    • Endurance classes for products that want a longer run
    Visit launchgp.io ↗ Rails 8 · Postgres
  10. Carousels · MCP

    Karou

    Karou is a carousel assistant for Claude and ChatGPT. Your AI writes the slides; Karou renders them as Instagram, LinkedIn and TikTok carousels, right in the chat, ready to post.

    • Hook, content and CTA slides from one request
    • Templates for Instagram, LinkedIn and TikTok formats
    • PNGs in a ZIP, or a PDF for LinkedIn
    • Edit one slide without starting over
    Visit karou.si ↗ Rails 8 · MCP · Satori
  11. Demo videos · MCP

    Klevo

    Klevo is a demo video assistant. Your AI drives your web app click by click while Klevo records, then hands back an MP4 with a smooth cursor, zooms, captions and a device frame.

    • Records a live web app, one step at a time
    • Smooth cursor, zooms and a caption on each step
    • Or builds the demo from a screen recording you already have
    • Desktop, tablet and phone frames
    Visit klevo.si ↗ Rails 8 · MCP · Playwright + FFmpeg worker
  12. Video editing · MCP

    Cut Express

    Cut Express is a video editor for Claude and ChatGPT. Send your clips, say what you want, and get the MP4 back with the cuts, captions, color and sound. No timeline to drag.

    • Claude decides every cut, caption, look and sound
    • Transcripts and highlight moments to find the good parts of long footage
    • Motion graphics, stock footage and sound effects in the same render
    • Recreate the edit of a video you want to copy
    Visit cut.express ↗ Rails 8 · MCP · Python + FFmpeg worker
  13. X (Twitter) · MCP

    Kalen

    Kalen is an X assistant for Claude, ChatGPT and Cursor. He researches your niche every day, scores the posts your AI writes and publishes the ones you approve on schedule.

    • A daily briefing of what works in your niche
    • Drafts scored before anything goes out
    • Scheduling and publishing only after you approve
    • Help with X Articles and replies
    Visit kalen.si ↗ Rails 8 · MCP · X API
  14. Idea validation · MCP

    Vettoz

    Vettoz checks product ideas against Reddit, X, TikTok, YouTube, live Meta ads, Google and the App Store, scores them with the evidence, then brands the idea and writes its launch posts.

    • Real signals from buyers, counted and scored
    • A report page you can download as a PDF
    • Names with free domains, a brand board and a logo
    • Launch carousel, post and ads in the brand
    Visit vettoz.si ↗ Rails 8 · MCP · Satori
  15. Top-down roguelite · Game

    Delvestead

    Delvestead is a multi-platform top-down survival game, part dungeon crawler and part AFK. Your hero explores biomes and fights bosses on their own, and between runs you build up the cabin, the farm and the forge.

    • Top-down pixel art on desktop, iPhone and the browser
    • Biomes, bosses and day and night cycles
    • Crafting with modular tools and a forge
    • Plays itself while you are away
    Visit delvestead.com ↗ Godot 4 · GDScript
  16. Analytics and support · Web app

    Indie Hacker Studio

    Indie Hacker Studio puts cookieless analytics, a chat bubble for support, feedback and bug reports, and your Stripe MRR for every project you run in one dashboard, with one script to add to each site.

    • Cookieless analytics, no banner needed
    • Live chat, feedback and bug reports in one bubble
    • One inbox for every project, in real time
    • MRR, trials and churn from Stripe
    Visit indiehacker.studio ↗ Rails 8 · Action Cable
  17. Project D gameplay: Ren in a sandstone ruin of the Buried Sands, under the stretch title The Dune Sea.
    Project D: Ren in the Sanctuary, the hub between runsProject D: an Altar of Embers in the Ice PeaksProject D: the Burning Road in the Ash Grove
    Action RPG roguelite · Game

    Project D

    Project D is a 3D action RPG roguelite with Nioh-style combat and Diablo-style loot. Ren cannot die: he crosses four regions in runs of procedural rooms, breaks enemies' Ki, parries into counters and brings home gear with random affixes.

    • Ki, parries, counters and executions
    • Four weapons and four skills
    • Loot with rarities, affixes and legendary uniques
    • Four regions, each with a Guardian
    Godot 4 · GDScript · working title
  18. Web browser · macOS

    Monok

    Monok is a small, fast web browser for macOS with a native terminal and a native file manager built in: browser, terminal and files in one window. There is no address bar: a Magic Bar opens on Cmd+L, every tab splits into panes like tmux, and ads and trackers are blocked out of the box. Pages render with the system's WebKit; MonokEngine, its own engine in Rust, can be picked in Settings as a beta.

    • Magic Bar instead of an address bar
    • Panes you split like tmux
    • A native terminal with your own shell
    • A Files pane on /, with list, grid, copy, paste and undo
    • Ad and tracker blocking built in
    • Signed auto-updates, signed and notarized universal app
    Visit monok.io ↗ Rust · WebKit · macOS 14+ · free early preview 0.1.2
  19. Video editor · macOS and Windows

    GameClip

    GameClip is a desktop app for macOS and Windows that turns long gameplay recordings into one highlight video and a stack of vertical cuts with captions, zooms and SFX, then lets you fine-tune them on a timeline. Detection and captions run on your own GPU; AI Director, powered by Claude, picks the best moments and writes the titles and hooks.

    • One VOD in, a highlight reel and vertical cuts out
    • Local highlight detection with genre profiles
    • Free local captions you can fix word by word
    • Fit or Cover vertical framing
    • Edit one cut, apply to all
    • Timeline editor and batch export up to 4K
    Visit gameclip.io ↗ Tauri · Rust · FFmpeg · whisper.cpp · macOS + Windows · coming soon
  20. Library · web

    Mentarium

    Mentarium is a library of mental models, cognitive biases and decision tools, each explained the same way: a plain definition, where it comes from, how to use it and the mistakes to avoid. It adds a free IQ test, digital guides and journals, and a Decision Coach for your AI.

    • Mental models, biases and decision tools
    • Same structure on every page
    • Free IQ test
    • Field Guide, Skills and Decision Journal
    • Decision Coach over MCP
    Visit mentarium.io ↗ Rails · Postgres · Stripe · MCP
  21. Quiz funnels · web + MCP

    Quizzerfy

    Quizzerfy turns a sales page, a PDF or a few lines about a product into a branching quiz that ends on the right pitch and a checkout link. Build it with AI credits, with your own AI through MCP, or by hand. Leads are unlimited on every plan.

    • Branching quiz funnels
    • AI, MCP or manual editor
    • 12 ready templates
    • Unlimited leads on every plan
    • Kit, Beehiiv, Mailchimp, Zapier
    • Custom domains and A/B tests
    Visit quizzerfy.com ↗ Rails · TypeScript · Postgres · Claude · MCP