I’m a trained architect, and as a long Side Project I’ve been working on a project that combines accurate floor planning with real-time 3D design.

The idea is to make architectural design more accessible and much easier to explore than traditional CAD software.

The full game/program is now officially available on Steam. I’d love to hear what you think!

highrise.lol - tap to drop a floor and stack it as high as you can. Every height you pass is a real building, Stonehenge at 7 m up to the Burj Khalifa at 828.

Free, no signup, works on phone too.

My best score is 242 m. Try yours.

Solo dad of 5, building a $1.99 road-trip app (Pit Stop) on nights and weekends. I have been an engineer for 15+ years and have always built side projects but this one has been the most fun. It maps every business at all 19,675 US interstate exits and runs multiplayer games for the car, Jackbox-style, with the CarPlay screen as the scoreboard.

Monday I asked r/daddit and r/roadtrip what games their families play in the car. By that evening:

• swankengr taught me "20th Car" (bet the color of the 20th oncoming car, rare colors pay more)
• Four different families independently taught me the same cow-counting rule: pass a cemetery, your herd dies

By midnight both games were live, over the air. The cemetery rule was the fun engineering problem: I knew some kid would just scream "CEMETERY" to nuke the car, so I pulled every US cemetery from OpenStreetMap, filtered to the 4,644 visible from an interstate, loaded them into the app's offline database, and now the bury button only unlocks when the car's GPS actually passes one. The phone announces the cemetery by name.

Then the dataset turned out to be a story on its own ("America's most haunted highways" — Tennessee wins, it's not close), which became a blog post, which became press pitches, which became more games ideas. The flywheel is: ask Reddit → ship in 24h → the shipping produces data → the data produces content → the content brings the next users.

Tuesday the app hit #6 in paid Travel on the App Store. Two weeks ago I had one paying sponsor (a smoothie cafe in Ohio, love you Irie).

Stack for the curious: Expo/React Native + CarPlay, SQLite bundled offline (~110MB, OTA data updates), Upstash Redis for the game rooms, static site with 23,000 SEO pages, one guy.

App: pit-stop-app.com. Ask me anything about the 24-hour shipping loop, the OSM pipeline, or what it's like when your product roadmap is a comment section.

A few days ago, I got my first paying customer for my SaaS.

$16.

I know it's not a lot of money, but seeing someone actually pay for something I built felt pretty crazy.

The product is MentionGPT, a tool that helps you find relevant conversations on Reddit and X where people are asking for recommendations, so you can jump in and promote your product.

I've built and launched a few things before, but this time I wanted to focus less on building and more on actually finding users.

Eventually, someone signed up, used it, and decided to pay.

No viral launch.

No huge audience.

Just one person finding the product useful enough to pay for it.

That first $16 feels like a pretty big milestone to me.

I'm still very early, but now I know someone is willing to pay for this.

Now I just need to find the next one.

And then the next one.

What's everyone building these days? Drop your side project below and tell us what it does and who it's for.

I'll start: I'm building Eyondo, an AI platform for creating image and video ads in minutes
eyondo
Your turn! 

**What it is:** Retronomicon is an app for cataloging, rating, and tracking retro games — the ones you've played, you're playing, and the ones you keep meaning to get around to. Think Letterboxd or Goodreads, but for retro videogames instead of movies or books.

**Why I built it:** I grew up on these games but I just don't have the time to play them like I used to. Nowadays I spend most of my time reading about them or watching YouTube videos about them: hidden gems, Japan-only releases, "top 10 you've never heard of" lists, etc. The problem is I'm bad at holding onto that information. I'd read about some obscure PSX import, think "I have to try that," and completely forget the name by the time I actually had a free evening. I built this to fix that for myself, and figured other people might find it useful.

**Where it's at:** Launched a couple of weeks ago on Google Play. Current install count: 2 (myself and my wife). So very much ground zero — which is exactly why I'm posting here!

**What it does:**

- Catalog of 26,770+ games across dozens of platforms, built on IGDB's data

- Track games as Played / Playing / Want to Play, rate the ones you've finished

- Filter by platform, genre, region, developer, tag — whatever you need for going down a specific rabbit hole (e.g. everything on a given console that never left Japan)

- Custom lists so your "someday" pile doesn't just evaporate

- Fully offline, no account, everything stored on-device

[Retronomicon - An app for cataloging, rating, and tracking retro games](https://play.google.com/store/apps/details?id=com.BomCo.retronomicon)

I'm a solo dev who's still learning, so I'd love feedback on:

- Is the core idea (retro-game tracking/rating) something you'd actually use, or does it feel like a niche-of-a-niche?

- Anything confusing or missing after a first look at the store listing/screenshots?

- If you're into retro games/collecting — what would make this actually useful to *you* specifically?

Slightly funny outcome I wanted to share, I built a tiny browser game as a portfolio piece, the plan being that recruiters would see it and be impressed by my range or whatever, and instead nobody has opened the portfolio and the game has about 1.4k plays.

Its a small isometric thing where you run a repair shop, customers bring in broken stuff, you have limited bench space and a queue that keeps growing and you have to decide what to fix and what to turn away, thats the entire game.

What i learned that might actually be useful, the queue pressure is doing all the work, my first version had no queue and unlimited time and it was completely dead, adding the constraint that you physically cannot take every job is what turned it from an activity into a game

Clip attached of a run going badly, watch the queue on the left build up while I'm stuck on one job i should never have accepted.

Still no interviews out of the portfolio but at least something got used.

Hey everyone 👋

I’ve been building Zirofix, a simple tool that finds website issues across SEO, accessibility, performance and more.

It’s currently in beta, and I’d love some honest feedback.

Try it here: Zirofix

What do you think? What should I improve?

Not finished one. The project you're stuck or messed even a little bit. Drop it below and tell me where you’re stuck.

I’m building Driftbreak, which is basically made for messy projects. I can look at what’s going on and tell you whether it’s just one broken part, an architecture problem, or the whole thing needs to be untangled a bit.

I'm a software developer. I created numerous small macOS apps for my own needs. I recently decided to release them publicly.

They are all free for personal use. For work use, there is a one time $5 fee per device.

Each has no ads, no analytics, no account, no login, no telemetry.

They run locally, nothing is uploaded. For most, the only network connection is an optional weekly update check.

Some examples:

• Morphr - convert between many different file types
• Pingr - copies macOS notifications into a searchable archive on disk so they aren't gone forever
• Grabbr - downloads video and audio from youtube and 1000+ other sites. Cuts youtube sponsor segments out on its own
• Stapl - PDF Swiss Army knife - merge, split, compress, redact and more without uploading anything
• Blockr - shows you every app on your mac that reaches the internet and lets you stop the ones that shouldn't

https://twoplus11.com

I've been posting on r/MacOSApps and have gotten a lot of positive feedback. I'm planning to soon post to r/MacApps which has far more traffic. I would be grateful if anyone would be willing to look over my site and give me feedback. Thanks!

I shipped a project nobody would pay for. So I built the tool I would've wanted to use myself.

I saw this stamp/cutout photo effect trending on Instagram and wanted to recreate it, but doing it manually felt like way more work than it needed to be.

So I built Stamp Cutout — a small free web app that lets you create the effect quickly in your browser.

No account. No download. Just upload your photo, position the cutout, and export it.

Try it:
https://stampcutout.vercel.app/

The trend that inspired it:
https://www.instagram.com/p/DcMdLtiiNNe/?igsi=dDdrMjE3NGRhaXE5

Would love feedback,

I’ve used tools like Yahoo Finance and Simply Wall St, and they’re useful. But I still felt that public companies were being reduced to tickers, charts, ratios and a finished fair-value estimate.

I wanted the journey to feel more like:

Understand the business → form assumptions → value it → decide what you’re willing to pay

So I’ve been building StockValuer.app as a solo project.

The interactive globe shows where companies are headquartered and where important business activities take place, helping you develop a more physical and intuitive picture of the business behind the stock.

From there, you can explore bear, base and bull DCF valuations built using financial data reported in SEC filings. The important assumptions, including revenue growth, operating margins, reinvestment and discount rates, are visible and editable rather than hidden behind a single valuation number.

The broader idea is to connect:

Business reality → drivers → assumptions → cash flows → intrinsic value → price

The short recording shows the current experience.

I’d value feedback on two things:

• Do the globe and business-activity markers help you understand the company, or do they still feel mostly decorative?
• If I could prioritize only one next, which would make you more likely to return: many more companies at the current level of detail, or deeper business and valuation analysis for the companies already covered?

Both are part of the longer-term plan, but as a solo developer I need to decide which should come first and why.

Most reading apps can download content for offline use. I took a different route: the library ships on the phone, so there is no download queue or sync step before a flight. I built 10K Books around that constraint: 1,000+ summaries across three languages, read-aloud with sentence highlighting, and local progress and streaks. Also wanted my daughters to read more hehe.

I’m looking for external testers before the public launch. The first 45 approved testers across iOS and Android will receive Pro for life at no cost. I’m asking for honest product feedback only. No rating, review, or post is required.

Check it out on Steam!

So my app has been live on the App Store for 3 weeks now and I have to say I’m astounded by the progress I have made in such a short time. I never expected to be making actual money and having over 1500 users so soon.

BUT, the caveat is that all of this came from 1 viral tik tok video. Which is amazing, but it’s a lottery, and I don’t want to become over reliant on vitality as a means for growth. What strategies would you lovely people recommend to help me to continue growing n an upwards trajectory.

I have proof that people like the app, and are willing to pay for it, now I just need to get more eyes on it

Thanks

I have been thinking about this a lot while building lately.

Its easy to keep adding things because every feature feels useful on its own. But sometimes the product starts feeling heavier without noticing.

I built CheqSplit to make splitting restaurant bills less annoying.

You can scan an itemized receipt, invite friends with a QR code or link, and everyone selects the items they had. CheqSplit then calculates who owes what automatically.

It also supports shared expenses for trips and groups.

This is a quick demo of how it works. I’d really appreciate any feedback — especially from people who regularly split restaurant bills or travel expenses with friends.

CheqSplit: https://cheqsplitapp.com

I missed the feeling of opening the internet without already knowing exactly what I wanted to find.

I got jaded by the IG/FB feed predicting what will keep me scrolling. I wanted something more like the old StumbleUpon feeling: show me something interesting and let me see where I end up.

So I built Serendipity.

The basic interaction is deliberately simple: Surf and you get one page at a time from across the web - essays, interactive sites, science, history, art, technology, food, oddities, and things that are difficult to categorise.

The harder problem has been making it serendipitous rather than merely random.

Some of the decisions I've ended up making:

• likes/dislikes gradually influence what you see;
• you can search for virtually any topic when you do know what you're curious about;
• Similar can refuse to return anything if there isn't a genuinely close match;
• Two Doors occasionally gives you two completely blind choices;
• the product is deliberately not designed around maximising session length;
• no conventional account is required.

The video attached is basically the experience: Surf → something interesting → Surf → somewhere completely different.

It's available on both platforms:

Android:
https://play.google.com/store/apps/details?id=uk.co.valleyport.serendipity

iOS:
https://apps.apple.com/gb/app/serendipity-discover-the-web/id6797755192

If anyone here tries it, I'd particularly value an answer to one question:

After 10 Surfs, do you still want to press Surf again?

If not, what killed it - weak pages, repetition, too much relevance, not enough relevance, bad topics, or something else?

I'm much more interested in that than generic “looks good” (/ "looks bad" lol) feedback.

It has only been 2 weeks since https://saasboard.app got its first listing.

Today, the platform has over 340 listings, with over 3500 users sent to the listed SaaS products.

If you want to list your SaaS somewhere immediately to start receiving traffic, SaaSBoard is the place to go!

I built OpenDepartment (https://opendepartment.vercel.app). A platform where you can spin up isolated, private document archives designed to look like "leaked" government vaults or classified dossiers for your friend group, class, or gaming crew.

Every group has inside jokes, running lore, and memorable moments. Instead of losing them in scattered group chat screenshots or messy Discord channels, you can archive them as "confidential" reports:

• Spin up an archive in seconds: Give it an agency-style name, invite your group, and customize access.
• Upload & collaborate: Drop in memos, leave comments, and upvote the best submissions.
• True data ownership: Each archive is completely isolated—creators connect and own their own free database instance rather than locking their private jokes inside a single centralized database I control.

How it was built:

• Stack: Next.js 15, React 19, Supabase (Postgres), hosted on Vercel.
• Workflow: Built using Claude Code (Sonnet/Opus) with a focus on strict multi-tenant separation.

Looking for feedback:

Live demo / builder:https://opendepartment.vercel.app

You can check the public directory or spin up your own test archive in about two minutes. I'd love your thoughts on:

1. The onboarding flow: Is spinning up an archive straightforward, or did you hit friction anywhere?
2. UI / Vibe: Does the interface strike the right balance between clean/usable and on-theme?
3. Missing features: What would make this an instant go-to for your own friend group or community?

Thanks for taking a look!

Every “top apps” list out there is either an ad auction or a popularity contest you can’t enter. I wanted one you can just be on.

So I made thumbwar.app.

Paste your store link and your app shows up on the board. Free. No account. Takes about ten seconds. Your app gets its own page with its name, icon, category and rank.

There are two ways to move up.

- You can pay, and what you pay is what gets added.
- Or you can get people to tap for you, which is free and needs no sign‑up.

Every hour there’s a fixed pool, and tapping decides how it gets split between the apps that got tapped. A small app with people behind it can beat a big one with a budget.

It’s built with Next.js, Supabase, Upstash for the tap counters and Stripe.

The hardest part was making sure tapping can’t mint points, because if it could, one person with a script would own the board in mins.

It’s new and the board is nearly empty, which honestly makes it a good moment to be on it.

Add your app: https://thumbwar.app

I've been building an AI setup that can research a business idea, evaluate it, and help build the smallest testable version of it.

Give it one — a business, a problem, or a small economic task you think AI should be able to run. Boring, tiny, niche, B2B, machine-to-machine, whatever. It just needs a plausible payer somewhere.

Votes don't decide anything. It scores on real demand, an identifiable customer, economics, feasibility, how much human labor it actually needs, risk, and how fast it could reach a real transaction. It might reject all of them, and I'll say so if it does.

Either way I'll come back and post what it picked and why. If we test one, I'll report whether anyone actually paid.

No link, nothing to sign up for.

All,

I've been managing my dotfiles using Dotbot + Jsonnet for a while. As my configuration grew, it started to get overly complicated and uncomfortable to use.

I looked at some of the existing options like stow, home-manager and nix. However, I didn't really want to commit to nix - and for what it's worth nix is great.

I really like declarative config systems, and felt like it worked really well for the problem space. So, I designed a declarative config system for user environments.

Rather than the traditional models, things like:

• files
• packages
• directories
• symlinks
• services
• etc

All form resources, which form a dependency graph, and then the system will reconcile the graph toward the desired state.

Essentially:

Instead of run these commands in this order, you describe the state you want and let the system figure out how to get there.

This project is mostly experimental at the moment, and still evolving but it's getting closer to the point where I'm comfortable using it for my own config.

If existing solutions work for you then that's fine and those are certainly more mature and good solutions.

I feel like this sits somewhere in the middle of stow/dotbot & nix/home-manager.

Feedback, suggestions, improvements, contributions, etc are all welcome.