Hacker News with Generative AI: YC

Launch HN: ASim (YC S21) – Mobile app that generates mobile apps (ycombinator.com)
Hey HN, we’re Daniel and Daniel (the Daniels) from aSim (https://asim.sh/). aSim is a mobile app that can generate immediately usable and shareable mobile apps from your phone.
Launch HN: Modernbanc (YC W20) – Modern and fast accounting software (ycombinator.com)
Hey HN! We're the team behind Modernbanc (https://modernbanc.com). Today we’re introducing our modern accounting software designed for startups and small businesses.
Launch HN: Sift Dev (YC W25) – AI-Powered Datadog Alternative (ycombinator.com)
Hi HN! We're Kaushik and Ishir. We’re building SiftDev (https://runsift.com/), an intelligent logging tool that understands your observability data in real time, automatically identifies anomalies, and lets you interact with your logs through natural language queries.
Launch HN: Cuckoo (YC W25) – Real-time AI translator for global teams (ycombinator.com)
Hey HN! We’re Yong Hee and Gunwoo from Cuckoo (https://cuckoo.so), a real-time AI translator for global sales, marketing, and support.
Launch HN: Massdriver (YC W22) – Self-serve cloud infra without the red tape (ycombinator.com)
Hi HN! We’re Cory, Dave, and Chris, the founders of Massdriver (https://www.massdriver.cloud/), an infrastructure automation platform. Massdriver enforces organizational standards and delivers consistent, compliant deployments—no more endless approvals, red tape, or broken Terraform plans.
Launch HN: Roark (YC W25) – Taking the pain out of voice AI testing (ycombinator.com)
Hey HN, we’re James and Daniel, co-founders of Roark (https://roark.ai). We built a tool that lets developers replay real production calls against their latest Voice AI changes, so they can catch failures, test updates, and iterate with confidence.
Launch HN: A0.dev (YC W25) – React Native App Generator (ycombinator.com)
Hi HN — we’re Seth and Ayo and we’re building a0.dev (https://a0.dev). a0.dev is a platform built to cut down React Native development time from weeks to just a few hours.
Launch HN: Pinch (YC W25) – Video conferencing with immersive translation (ycombinator.com)
Hey HN! I'm Christian, and my co-founder Keyu and I are building Pinch (www.startpinch.com), a virtual conferencing platform with translation that mimics your voice and synchronizes your lips in real-time to make you sound and appear as a native speaker in over 15 languages.
Show HN: Helicone (YC W23) – OSS LLM Observability and Development Platform (github.com/Helicone)
Helicone is the all-in-one, open-source LLM developer platform
Ask HN: Why can't we comment on YC hiring ads? (ycombinator.com)
I’ve noticed that YC companies often advertise their hiring positions. That’s great news! However, I’ve also seen some of their comments that raise concerns. I know for a fact that some of them have toxic hiring or team practices (which is why they need to advertise so frequently). I’m curious why comments aren’t available on those ads.
Launch HN: Double (YC W24) – Index Investing with 0% Expense Ratios (ycombinator.com)
Hi HN, we’re JJ and Mark, the founders of Double (https://double.finance). Double lets you invest in 50+ broad stock market indexes with 0% expense ratios.
Show HN: OpenInt (YC W23) Open-Source iPaaS to Ship Product Integrations Quickly (github.com/openintegrations)
OpenInt is an open-source integration platform as a service (iPaaS) that helps you ship product integrations in hours, not weeks.
Launch HN: Parsagon (YC W21) – AI for public affairs and government relations (ycombinator.com)
Hi HN! I’m Sandy, and I’m excited to introduce Parsagon. Parsagon is using AI to automate workflows for government affairs professionals, starting with an AI search for public policy. Here's a demo: https://parsagon.io/explore-search
Resend (YC W23) raises $18M Series A (resend.com)
Resend just raised a $18M Series A led by Andreessen Horowitz.
Launch HN: Human Layer (YC F24) – Human-in-the-Loop API for AI Systems (ycombinator.com)
Hey HN! I'm Dex, building HumanLayer (https://humanlayer.dev), an API that lets AI agents contact humans for feedback, input, and approvals. We enable safe deployment of autonomous/headless AI systems in production. You can try it with our Python or TypeScript SDKs and start using it immediately with a free trial. We have a free tier and transparent usage-based pricing. Here’s a demo: https://youtu.be/5sbN8rh_S5Q?t=51
Launch HN: Fresco (YC F24) – AI Copilot for Construction Superintendents (ycombinator.com)
Hi HN! We're Arvind and Akhil, and we're building Fresco (https://fresco-ai.com/). We use AI to quickly create and manage documentation for construction superintendents.
Launch HN: Regatta Storage (YC F24) – Turn S3 into a local-like, POSIX cloud FS (ycombinator.com)
Hey HN, I’m Hunter the founder of Regatta Storage (https://regattastorage.com). Regatta Storage is a new cloud file system that provides unlimited pay-as-you-go capacity, local-like performance, and automatic synchronization to S3-compatible storage. For example, you can use Regatta to instantly access massive data sets in S3 with Spark, Pytorch, or pandas without paying for large, local disks or waiting for the data to download.
Launch HN: Integuru (YC W24) – Reverse-engineer internal APIs using LLMs (github.com/Integuru-AI)
An AI agent that generates integration code by reverse-engineering platforms' internal APIs.
Launch HN: Inkeep (YC W23) – Copilot for Support (think Cursor for help desks) (ycombinator.com)
Hi HN, We’re Nick and Robert, founders of Inkeep (https://inkeep.com). We help companies turn their content into AI support copilots.
Launch HN: Haystack (YC S24) – Visualize and edit code on an infinite canvas (github.com/haystackeditor)
This repository ("Haystack Editor") is where we (Haystack Software) develop the Haystack Editor product together with the community.
Launch HN: Panora (YC S24) – Data Integration API for LLMs (github.com/panoratech)
A single API to add dozens of integrations into your product
Ask HN: What is the reason YC switched to 4 batches? (ycombinator.com)
I can't help myself but think that some fundamentals changed over the past 2-3 years in the software space.
Launch HN: Marblism (YC W24) – Generate full-stack web apps from a prompt (ycombinator.com)
Launch HN: Maitai (YC S24) – Self-Optimizing LLM Platform (ycombinator.com)
Hey HN - this is Christian and Ian from Maitai ( [https://trymaitai.ai](https://trymaitai.ai)). We're building an LLM platform that optimizes request routing, autocorrects bad responses, and automatically fine-tunes new application-specific models with incremental improvements.
Launch HN: Fortress (YC S24) – Database platform for multi-tenant SaaS (ycombinator.com)
Launch HN: Patchwork (YC S24) – Automatically add structured logs to your code (ycombinator.com)
Launch HN: Bucket Robotics (YC S24) – Defect detection for molded and cast parts (ycombinator.com)
Ask HN: Share your idea that you feel would never be picked by YC? (ycombinator.com)
Launch HN: Parity (YC S24) – AI for on-call engineers working with Kubernetes (ycombinator.com)
Launch HN: Moonglow (YC S24) – Serverless Jupyter Notebooks (ycombinator.com)