# What developers are building · 2026-09-21

## ai-model-ranking: LLM Live Rankings — Real-Time OpenRouter Usage Leaderboard

Zero-dependency single-page leaderboard ranking LLMs by real OpenRouter token usage and API request counts, auto-refreshed every 5 minutes with offline snapshot fallback.

https://github.com/SvenRogue/photo-origami-editorial

## Roblox Thumbnail Generator: 4 AI Concepts | ClickCrit

ClickCrit turns one permitted Roblox game reference into four distinct thumbnail concepts: Character Hero, Action Interaction, Feature Reveal, and Progression/Challenge.

https://clickcrit.com/

## Tesla Wrap Design

Create and export Paint Shop-ready Tesla wrap PNGs using AI, a 2D editor, and real-time 3D preview.

https://tesla-wrap.design/

## Car Soccer Online | Play Solo 1v1 & Multiplayer Games

Play car soccer online in your browser. Practice solo 1v1 or invite friends to multiplayer rooms for 2–4 players. Learn the controls and join the 3D arena.

https://car-soccer.net/

## A2Agent--Access multiple LLMs via a single OpenAI-compatible API.

Access GLM, Kimi, DeepSeek, Qwen, MiniMax, and more through one OpenAI-compatible API. Pay-as-you-go

https://a2agent.me/

## Jev Agent

Independent relay API: Google sign-in returns a jv_live_ key. POST text plus a ruleset to /api/v1/classify, or call /api/v1/systemone, whose fields mirror the official API. Free tier 5 credits/month (1 credit ≈ 1000 input tokens).

https://jev-agent.com/api-access

## niufu.ren Multi-Agent AI Financial Trading Decision Framework

A multi-agent AI framework for financial trading decisions, coordinating multiple agents to analyze markets and arrive at trading decisions.

https://vibecafe.ai/products/cmuas6wol00010agmis52f5k1

## MelodyTrace

MelodyTrace is a free MP3-to-MIDI tool that converts audio into editable musical notes.

https://melodytrace.com/

## Pindou Cat Master - Perler Bead Pattern Workshop

WeChat mini program that turns photos into perler bead patterns, automatically reducing colors and labeling each grid with its color code. Conversion runs locally on the phone and the original photo never leaves the device.

https://github.com/user-attachments/assets/bbd960f3-3431-4123-a715-12fb1f29957a

## Prism: Cross-Platform Social Content Analysis Framework Ranked by Save Rate

Prism normalizes posts from Xiaohongshu, Bilibili, Douyin and Kuaishou into one 5-table schema so the same analysis code works across platforms. It ranks content by save rate, adds local-LLM sentiment, forecasting and compliance defaults.

https://github.com/millennialdreamer/prism

## joLink: Incremental Java Compilation, Testing and Debugging for AI Coding Assistants

joLink gives AI coding assistants Java support via MCP and a companion Skill for Maven/Gradle projects: persistent JDT workspace incremental compilation, running selected JUnit 4/5 and TestNG tests without starting the app, plus launching…

https://github.com/L1ch404/jolink-runtime

## random-universe: Random Universe Generator

Browser-based interactive universe generator and evolution simulator. A 16-bit seed decides linked physics parameters, a galaxy form, a history from hot big bang to far-future end, and civilizations that rise, expand, ally, clash, and die.

https://github.com/ruanyf/weekly/issues/11842

## Smart Scroll Capture: 100% Offline Long-Screenshot Tool for Apple Devices

100% offline long-screenshot tool for iOS and macOS: stitches screen recordings or overlapping shots, filters sticky headers, extracts selectable text and tables to .xlsx, plus offline translation and auto redaction.

https://apps.apple.com/cn/app/smartscrollcapture-%E9%95%BF%E6%88%AA%E5%9B%BE%E5%8A%A9%E6%89%8B/id6799030104?mt=12

## Mixdesk: Shared Inbox for Overseas Customer Messages with AI and Human Handoff

Mixdesk puts website chat, email and social media messages in one shared inbox for overseas customer service. An AI Agent replies using configured business knowledge and hands off to humans;

https://mixdesk.com/zh

## SeichiGo: Map 50,000+ Anime Pilgrimage Spots and Plan AI Itineraries

SeichiGo maps 50,000+ real-world anime locations from over 1,500 titles to their exact scenes, covering Tokyo, Kyoto and cities like London and Hong Kong, viewable without sign-up.

https://seichigo.com/

## oh-my-ppt: AI-Driven Editable HTML for Next-Generation Presentations

Open-source project oh-my-ppt (2k+ stars) uses AI to generate editable HTML presentations, reframing how PPT slides are produced with editable web output instead of static files.

https://github.com/arcsin1/oh-my-ppt

## nim_duilib: Cross-Platform C++ UI Library for Windows, Linux, macOS and FreeBSD

nim_duilib is a C++ cross-platform UI library derived from duilib, targeting Windows, Linux, macOS and FreeBSD, including OpenEuler, OpenKylin, UOS and other domestic systems.

https://github.com/rhett-lee/nim_duilib

## FPS 帧律: Open-Source Windows Frame Rate Optimization Tool with Fully Reversible Tweaks

FPS 帧律 is an open-source Windows frame rate optimization tool that provides multiple FPS tweaks, each of which can be reverted, so users can boost game frame rates and restore their original system state at any time.

https://github.com/jidekaixin2dian/fps-tune

## TingWen AI - Windows Desktop Tool for Video/Audio Transcription and AI Summarization

TingWen AI is a Windows desktop tool that transcribes video and audio to text and generates AI summaries.

https://tingchengwen.com/

## Yasuo (yasuo.app): Free In-Browser Multimedia Compression with Zero Uploads

Free no-signup browser app compressing video, image and PDF files fully on-device via WebCodecs with ffmpeg.wasm/pdf-lib fallback: zero uploads, offline-capable, no size limits.

https://yasuo.app/

## Mirage: Scraper Hardening with Pre-Ban Soft-Ban Radar

Mirage adds five layers of behavioral hardening to existing scrapers with one idempotent command (auto-backup, revert) and a soft-ban radar tracking five leading indicators to warn before a ban lands. Dependency-free, Python 3.9+.

https://github.com/millennialdreamer/mirage

## AsterVec: Memory-Efficient High-Performance Embedded Vector Engine

AsterVec is an embedded vector database for local AI that keeps its HNSW index on disk and stores graph structure separately from vector data, so searching millions of vectors uses only a few hundred MB of RAM with efficient in-place updat…

https://github.com/NTU-Siqiang-Group/AsterVec

## SocialCoach: Open-Source AI EQ Coach for Practicing Difficult Conversations Through Role-Play

Open-source AI EQ coach for rehearsing difficult conversations. Practice with AI characters that hold their own positions across 46 scenarios or your own, then get feedback quoting your actual words. No signup, BYO model, Apache 2.0.

https://github.com/GeminiLight/SocialCoach

## 离线银行流水 PDF → 结构化 Excel 工具

Turns scanned or native bank statement PDFs into structured Excel locally, plus searchable PDFs, boxed-evidence proofs and a human review queue. CPU-only, no uploads; uncertain layouts go to review, never guessed.

https://github.com/yuezhengb/bankocr

## Shiguang Schedule Timetable Repo Restored After Account Suspension

The Kotlin-based class timetable project XingHeYuZhuan/shiguangschedule returned a 404 after the developer account was suspended by an anti-abuse program; the account has now been restored and the repository is available again.

https://github.com/ShiGuangSchedule/shiguangschedule

## akitaonrails / ai-memory

Solution for long term memory for agent coding CLIs and to facilitate handoff between different agent vendors

https://github.com/akitaonrails/ai-memory

## coder / coder

Secure environments for developers and their agents

https://github.com/coder/coder

## mvt-project / mvt

MVT (Mobile Verification Toolkit) helps with conducting forensics of mobile devices in order to find signs of a potential compromise.

https://github.com/mvt-project/mvt

## zhouxiaoka / autoclip

AutoClip is an AI-powered video clipping tool that automatically extracts highlights and generates clips for secondary content creation.

https://github.com/zhouxiaoka/autoclip

## Crosstalk-Solutions / project-nomad

Project NOMAD is an offline-first knowledge and education server. Wikipedia, thousands of books, courses, maps, and optional local AI, all running on hardware you own with no internet required.

https://github.com/Crosstalk-Solutions/project-nomad

## sngyai / Sequoia-X

An A-share automated stock screener that scans multiple technical patterns, runs automatically after market close, and pushes the results to Feishu.

https://github.com/sngyai/Sequoia-X

## d2l-ai / d2l-zh

Dive into Deep Learning (Chinese edition): a runnable, discussable deep learning textbook for Chinese readers. Its Chinese and English editions are used for teaching in over 500 universities across more than 70 countries.

https://github.com/d2l-ai/d2l-zh

## Anduin2017 / HowToCook

Programmer's guide about how to cook at home.

https://github.com/Anduin2017/HowToCook

## wanglin2 / mind-map

SimpleMindMap (mind-map): a powerful mind mapping tool.

https://github.com/wanglin2/mind-map

## iDvel / rime-ice

Rime input-method configuration (Wusong Pinyin) paired with a long-term maintained Simplified Chinese dictionary.

https://github.com/iDvel/rime-ice

## PostSider

PostSider is a social media publishing platform built for humans and AI agents. Schedule and publish content across 30+ platforms from one place, or connect Claude, Codex, Cursor, or your own agent through MCP, REST API, or SDK.

https://www.producthunt.com/r/TS7SCMRI3JAFIY?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## CC

CC is Google Labs’ shared AI agent for families and households. Up to six people can each choose what to share, then CC keeps everyone aligned on the day ahead and takes care of the small logistical work that usually gets lost between inbo…

https://www.producthunt.com/r/KXAMUMWSLRKFHT?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Gradio Workflow

Create AI pipelines by connecting nodes. Bring together Hugging Face Spaces, models, datasets, and your own Python functions on a visual canvas - or let AI agents build workflows programmatically.

https://www.producthunt.com/r/DU66JAIJFYDCGD?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Milliseconds.ai

Text and images in. Labels, categories, structured fields and decisions out. Meet decision-machine-1, the small model behind milliseconds.ai.

https://www.producthunt.com/r/WNTWNSWEDBY4XO?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Jevtown

Write a post, a listing, a product or a headline, and 10,000 computed AI residents read it. The 600 it should matter to see it first, and it reaches the next 1,500 only if more readers were glad than annoyed, so a weak text dies for half a…

https://www.producthunt.com/r/POSX6Z3G3VDZ5C?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Supacut

Review hours of interview footage in minutes. Supacut helps documentary and interview editors find the strongest soundbites, organize material by theme, compare answers across interviews, and build a shortlist of selects.

https://www.producthunt.com/r/FYRD6WXCBY3K6L?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Simha Digital

Simha is an SEO workspace that tells you what to fix, not just what's wrong. Connect Search Console and Analytics, run a crawl — and get one health score, a plan ordered by traffic at stake, and an AI summary of what changed and why.

https://www.producthunt.com/r/LH4LG46ICZDO3I?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## AppGrowthKit

AI App Store and Google Play screenshot maker. Device frames, AI layouts and copy, and store-ready export in one click - built for indie devs and teams.

https://www.producthunt.com/r/Y42VYVND64M5RJ?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Refoid

Refoid automates App Store refund responses for iOS and macOS developers. Connect your apps, set your response preference, and track each request, response, and Apple’s final decision in one timeline.

https://www.producthunt.com/r/BOD3HJ37F2PXQQ?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## NiubiGEO

NiubiGEO combines open-source AI visibility and competitor reports with human-powered product growth. See how AI describes your product, which competitors appear, and inspect original answers and sources.

https://www.producthunt.com/r/KUM4H5XCCD6CSG?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## OmniDICOM

Open DICOM studies, edit metadata, and explore MPR, 3D volume rendering and cine on Mac and Windows. OmniDICOM includes PACS/DICOMweb transfer and exports; Professional adds stacked filters and analysis tools.

https://www.producthunt.com/r/6C7ROW5CY2HJTP?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Arcjet

Arcjet is the runtime security platform that ships in your AI code. Detect prompt injection, authorize agent tool calls, redact sensitive data, and block bots and abuse.

https://www.producthunt.com/r/7QMMNEZ7CJTVIJ?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Superset Mobile

Orchestrate coding agents from your iPhone. Pick up the same workspaces from your computer, review diffs, and merge PRs away from your desk. Works with Claude Code, Codex, and other terminal agents. Included with Superset Pro.

https://www.producthunt.com/r/WKWWYZ4NNBTCM7?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Plume

Plume is a free resume builder that turns your old CV (PDF, Word, even a photo) into a polished, ATS-ready resume in minutes. Pick from 43 templates, fine-tune fonts, colors and spacing, check your ATS score and fix issues in one click.

https://www.producthunt.com/r/NYDLJXR3FCPTEU?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Hyrax AI

Code review tools tell you what’s wrong with a PR. Hyrax finds what should improve across your entire codebase and does the work.

https://www.producthunt.com/r/Z2PYMQAZ4BLH3U?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298480%29

## Mini-AGI – Dynamic continual learning model trained on 8GB VRAM

Sorry for the pretentious name, I know, I know.. It just contains all the pieces I would like to see a AGI model to have, and I can&#x27;t stand the temptation.

https://github.com/volotat/mini-AGI

## Radius – A Meetup.com Alternative

Hello HN! I&#x27;m relaunching Radius [1] - far too long after the original Show HN [2] (I&#x27;ll blame the day job for that). Radius started out from my frustration with not knowing what was going on around me.

https://radius.to/

## Lossless-memory – a personal AI memory that never summarizes

Lossless long-term memory for a personal AI: never summarize, keep every line, put a timestamp on everything.

https://github.com/aru-labs/lossless-memory

## jevals – replacing LLM judges with typed Jev decisions

Agent evals and guardrails in one request. Built on Jev, Kev and Laya.

https://github.com/openlayer-ai/jevals

## Gdocs-me-up: a high-fidelity Google Docs exporter

Over the years I had written dozens of Google Docs documents, that I wanted to post to my website. Not only Google Docs&#x27;s publish feature is broken and incomplete, Google does not index Google Docs either.

https://github.com/behdad/gdocs-me-up

## Lightspeed, build real time apps the Laravel way (+asteroids demo)

Hi HN! Laravel has worked with websockets for years but generally speaking it&#x27;s a one way push architecture (i.e. http in, sockets out). Lightspeed is kind of like node in that it&#x27;

https://news.ycombinator.com/item?id=49781032

## Three genlocked RP2350B make a console – 3k sprite pixels per line)

papyDeck plays like an arcade machine and opens like a text editor. Every game on it is a Lua script you can read, change, and rewrite — including the ones somebody else wrote.

https://www.papydeck.eu/

## I built a camera that you talk with instead of seeing your own face

I used to hate recording myself, but at the same time I also wanted to post more video i.e. on X. My usual experience was: Get an idea -> reluctantly hit record -> become self-aware, stumble, do 8 takes -> give up.

https://www.makiroll.app/

## SQLBraid – Write SQL directly in TypeScript without a query-builder DSL

Write SQL. Keep TypeScript. Skip the query-builder translation layer.

https://github.com/Clickin/SQLBraid

## Swarm, an offline family tree app for macOS

Hi HN! My wife and I got deep into our family genealogy and wanted to map out all our relatives - but keep the data on our own Macs instead of uploading it to a genealogy service.

https://github.com/samoilev/swarm

## Local-coder – Build a team of coding agents with local models

Turn local AI models into a private, verified team of coding agents.

https://github.com/gmarland/local-coder

## OpenDecision – a 400M zero-shot model makes local decisions, plays Doom

Jev&#x27;s launch inspired me to work on this project. I had used fine tuned bert models, zero-shot models to achieve jev like functionality in healthcare insurance fraud audits in the last 2-3 years with good results. Jev&#x27;

https://deepanwadhwa.github.io/OpenDecision/

## Try Omarchy for Windows – Full Omarchy Desktop on Windows

No VM setup or configuration. Download TryOmarchy.exe, follow the prompts, and you&#x27;ll be booted into a full Omarchy desktop within minutes. No dual booting or repartitioning required.

https://github.com/omacom/try-omarchy-windows

## Hibi – An open-source obsidian alternative

the one app for everything you write

https://github.com/schmayterling/hibi

## Ambits – agentic grep/rg tool will history tracking

visualize, and report code coverage within llm sessions

https://github.com/joshLong145/ambits

## Nano Banana 2.5 Launches: Professional-Grade AI Image Creation with Top-Tier Performance and Lightning-Fast Generation

Nano Banana 2.5 is an AI image generation model pairing fast generation with pro-grade quality, strong subject consistency across edits, and multi-format high-resolution output for social graphics, product visuals, and posters.

https://www.v2ex.com/t/1243788

## wmux: tmux-style Terminal Multiplexing on Windows

Rust tmux-style terminal multiplexer for Windows using native ConPTY. Split panes, mixed PowerShell/cmd/WSL, tmux keybindings and config, detachable sessions, attach/resume after reboot, activity alerts and pane logging.

https://github.com/newdee/wmux

## JMD Playlist: A Minimal Android TV WebView Player for Elderly and Kids

Android TV app that uses WebView to auto-play videos from given pages full-screen. Import URLs into a minimal playlist, order episodes by time, subscribe via #JMD/#JMD+, edit shows remotely, log in video accounts over LAN.

https://www.v2ex.com/t/1243774

## ToolSide: Browser Sidebar Extension for Xiaohongshu

ToolSide is a browser extension that opens Xiaohongshu in the browser sidebar for low-profile casual browsing at work, avoiding the need to use a phone or full-screen window.

https://www.v2ex.com/t/1243763

## An AI Project After Two and a Half Years of Practice

The author presents an AI project developed over two and a half years of practice, offering an online with open-sourced code and prompts.

https://github.com/fanhuayishiy/ai-demo

## feeddub: Chrome Extension for AI Voice Translation of Videos

feeddub is a Chrome extension that adds AI voice translation to YouTube, Bilibili, Netflix, TED and Coursera videos, including those without subtitles, using paid cloud ASR/TTS and custom audio-subtitle sync algorithms for stable, low-late…

https://www.v2ex.com/t/1243729

## Interactive Travel Route Planner - Open Source

interactive travel planner

https://github.com/pedoc/interactive-travel-planner

## aswap: Multi-Account Switcher Built on claude-swap

Multi-account switcher forked from claude-swap with patches: shared session history across accounts, manual usage refresh, Claude Desktop support, and invalid-credential fixes. Patch-based, tracks upstream. Installs via uv or pipx.

https://github.com/BlackHole1/aswap

## ECP: Post-Quantum Hybrid Encryption Double Ratchet Protocol (Pure Frontend, No Backend, Clipboard Transfer)

Pure-frontend, zero-backend E2EE clipboard protocol: encrypt text/media to Base64URL for any channel, decrypt locally. Hybrid X25519+ML-KEM-1024, Ed25519+ML-DSA-87, AES-256-GCM, HKDF-SHA256 double ratchet; TypeScript/@noble.

https://github.com/jamesliu96/ecp

## A Plugin for Painless English Output Practice

A plugin for practicing English output, recommended after six months of personal use. Aimed at people who write a lot in English or produce content for overseas audiences, it builds English expression through daily use.

https://www.v2ex.com/t/1243706
