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Ask HN: What are you working on? (September 2025)

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Re: Ask HN: What are you working on? (September 2025)

#911

Post by broadwayinc »

"Backend APIs, but everything works from the frontend": https://www.skapi.com

This has been my passion project for the past 4 years, and I finally launched it recently. It’s starting to get some real users, which has been incredibly rewarding.

The idea came from my frustration every time I tried to build a web service. No matter which API service or cloud provider I used, designing databases, deploying and managing backend infrastructure always felt too complex and not much fun. So I built a backend API that just works out of the box, directly from your frontend project, with no backend setup or deployment required.

I sometimes wonder if the world really needs another backend API in this new “vibe coding” era. But since everything can be done from the frontend, it also fits naturally with coding agents like Claude Code.

For now, I hope my APIs would help web devs skip the backend headaches and spend more time on the fun part like building the frontend.

Re: Ask HN: What are you working on? (September 2025)

#912

Post by Juice10 »

takkatakka wrote: post #861

Working on a session recording app: https://scryspell.com Currently it's meant to help devs fix UI and UX issues by seeing exactly what their users saw, including a log of the browser console and network traffic. I say currently because it has preset analytics (charts for top entry page, top exit page, etc) but am working on letting users define their own trend and funnel charts. That will open it up to basic web/pro…

rrweb maintainer here, thanks for giving the library a shout out!

Re: Ask HN: What are you working on? (September 2025)

#913

Post by adjajadikerta »

Building Evidentia – platform for scientific knowledge that never gets published

Science's most valuable output never gets published. Negative results, failed replications, protocol details etc. all vanish into the file drawer. This means that the public body of knowledge is slow and also often wrong.

The cost: 70% of researchers can't reproduce published findings. Only 6 of 53 landmark cancer studies replicated. Industry wastes $28B annually re-validating work that doesn't hold up.

We're building a platform to capture what gets lost. Scientists share the details papers omit: failed antibodies, critical protocol tweaks, replication attempts. AI + a graph DB structures it into queryable data. Contributors get DOIs so it counts as real academic credit.

Been testing with beta users for 2 weeks. Opening up waitlist now: https://evidentia.bio/

Key challenge: will scientists share without traditional publication incentives? Early signal says yes (especially younger researchers), but needs to scale.

Feedback welcome, especially on keeping it alive (avoiding the "data graveyard" problem) and monetization.

Re: Ask HN: What are you working on? (September 2025)

#914

Post by fiftyacorn »

dijital wrote: post #538
Soupy wrote: post #320

"Google maps but for old maps": https://pastmaps.com This is a solo startup that I've been working on for 2 years now. It's a labor of love and I'm very lucky and thankful that it's big enough to surprisingly pay all of our bills. Still constantly feeling FOMO over all of my startup buddies working with AI and LLMs while I plug away at old maps and GIS . It gets ~80K MAUs and just slowly and consistently is growing o…

Nice project! The National Library of Scotland has a nifty tool focused mainly on the UK and Ireland that does something similar (with a paid print service attached): https://maps.nls.uk/geo/find/marker/

I love this tool - seeing what was originally on areas. Granted its mostly fields

Re: Ask HN: What are you working on? (September 2025)

#916

Post by random_ind_dude »

liu3hao wrote: post #225

Hi HN, I am working on Circuitscript, a language based on python to describe electronic schematics/circuits: https://circuitscript.net/ Recently, I have released a simple IDE (called the Bench) to try Circuitscript online: https://bench.circuitscript.net/ The next steps are to create more schematics with Circuitscript as examples to test the limitations of the language and to generate PCB designs with KiCAD. The Circ…

I think it may be a good idea to either enable auto-save or remind the user that there are unsaved changes before navigating away from the page.

Re: Ask HN: What are you working on? (September 2025)

#917

Post by selim-now »

m82labs wrote: post #323

An “everything” feed reader. Its a plugable framework that allows you to push anything into an RSS feed reader type interface. Email, Slack notifications, RSS, etc. I want one place to manage ALL notification settings. So if I want to be notified of Slack messages that contain the word “cat”, I can do that. I am also looking to add summarization and tagging using a local SLM. Trying to find a method that can run on o…

let's connect, I can hook you up with a custom SLM -> dm on X

Re: Ask HN: What are you working on? (September 2025)

#918

Post by elric »

_jsmh wrote: post #687

A different Internet message board. It's based on two principles: [phrase-redacted]. [url-redacted]

When I loaded the page, the first thing I saw was some antivax garbage. Is this one of these things where "each sentence must be true" is twisted to the point that every lie becomes a truth?

Re: Ask HN: What are you working on? (September 2025)

#919

Post by billsunshine »

justAnotherHero wrote: post #589

Since last year i've been working on something that surprisingly didn't exist before, an app where you can rate sports games. https://rategame.io/ and on the app stores(I really recommend the app if you want to check it out, especially on a phone) We've expanded on the concept with rating stadiums, creating lists, voting for player of the game and more as we are trying to become the letterboxd for sports.

wow.. this is cool. what's the endgame? I built a site that logs my lifetime in person attendance along with statcast tracking for homeruns, launch angle and more. wonder if theres some crossover https://baseball.willbaxter.info/

Re: Ask HN: What are you working on? (September 2025)

#920

Post by joewhale »

cosmicgadget wrote: post #807
joewhale wrote: post #350

I built a fantasy football rankings app using claude code, and it has been blowing up in the fantasy football subreddit. Funny enough, it's forcing Yahoo to change their site and improve their layout which ruined all my automation. Surprised how much traffic it's receiving every week just for a better layout. https://boonerankings.com/

How is it deciding rankings? Is this like a mix of points/projections?

Using a popular analysts rankings
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