# What developers are building · 2026-09-22

## GitHub - redreamality/jev-skill-selection: Pre-message hook: use TypeSafe Jev to keep/drop skills and shrink agent context

A pre-message hook using TypeSafe Jev to keep/drop and hard-filter agent skills so irrelevant SKILL.md text never fills context. cut skill body 1431→393 (~70%); with 100s of skills ~90%. Filtering before cache shrinks writes and hits.

https://github.com/redreamality/jev-skill-selection

## GitHub - RuixeWolf/modbus-simulator

Full-stack Modbus simulator with TCP and RTU servers on a singleton state engine, and a real-time web dashboard for registers, logs and config. For Modbus client dev, PLC testing and protocol learning; a built-in Agent Skill drives AI runs.

https://github.com/RuixeWolf/modbus-simulator

## Curated Side Hustles: Real Case Library

A Chinese-language case library of real side-hustle projects, turned into filterable breakdowns searchable by platform, project and skill, showing earnings metrics, fit conditions, risks and links to originals.

https://jingxuan-fuye.pages.dev/

## Jev Guide

A showcase site for TypeSafe Jev applications, gathering official releases and real demos: browse use cases by industry, view X post and play source videos in-site.

https://jev.guide/

## NiubiGeo

NiubiGEO helps AI, SaaS, DevTools and open-source projects measure and improve brand visibility across AI search and Q&A surfaces such as ChatGPT, Perplexity and Google AI.

https://niubigeo.ai/

## ReelMuse

Dance video generator that needs no prompt writing: pick a dance template, upload a photo, and get a dance video.

https://reelmuse.app/ai-dance-generator/

## ResumeForge — Local AI Job-Search Workbench

ResumeForge is a local, open-source AI job-search workbench for Windows covering the full flow of resume generation, job posting collection, application tracking and interview review, with all data stored on the local machine only.

https://github.com/magicapple123/ResumeForge

## Tancky AI

Tancky AI is a free AI image compositing and photo-fusion tool that combines and blends multiple images into one, running directly in the browser.

https://tancky.io/

## What Can Jev Do

A community collection site for the Jev model that gathers real-world use cases, project ideas and code examples of what people have built with Jev.

https://whatcanjevdo.com/

## TingChengWen AI: Local Audio/Video Transcription & Summarization

Local Windows desktop tool that transcribes Bilibili/Douyin links or local audio/video files into time-stamped transcripts, SRT/VTT subtitles and AI summaries, with batch processing and speaker diarization;

https://tingchengwen.com/

## GKMix

A hands-on review site for overseas VPS, AI tool subscriptions and cross-border payments; each guide runs real tests, publishes the actual bills, and states who the option is not suited for.

https://gkmix.com/

## Steal an Egg Wiki

An unofficial Steal an Egg wiki and guide site compiling eggs, pets, mutations, speed, terrain and progression info for players to look up anytime.

https://stealanegg.gamehubs.wiki/

## ETON: A Notepad++-like Windows Text Editor Built with Native Win32 C API, with Markdown Preview

ETON is an open-source Notepad++-like Windows text editor built on the native Win32 C API with no Electron, MFC, Qt or .NET dependencies, and it supports Markdown preview.

https://github.com/qihaiyan/eton

## DataPoly: Open-Source Data API Platform (OneService Alternative)

Distributed, high-availability data API platform: unified API standards with auth, rate limiting, whitelists; lifecycle from creation to publishing with dev/prod isolation; call monitoring alerts. Built on SQLRest, extended via Spring/SPI.

https://github.com/camilesing/DataPoly

## AI Knowledge Map: 130 AI Concepts in a 9-Stage Learning Path

Free open-source interactive map organizing 130 core AI concepts (LLMs, Transformer, Token, RAG, Agent, MCP) into 9 stages, with 416 relationships between them.

https://github.com/Little-FishK/AI-knowledge-map

## AI Quota: GNOME Shell Extension for AI Provider Balances and Quotas

AI Quota is a GNOME Shell extension that shows the balance, quota and usage of multiple AI API providers directly in the Linux desktop top bar.

https://github.com/0x5c0f/ai-quota

## WebDAV Index: Browse WebDAV Directories in the Browser

A pure browser-based WebDAV directory page: open it to browse remote files and view them in place, with no client install and no data passing through third-party servers.

https://github.com/fantasticmao/webdav-index

## BlackGit: Managing huge Git repositories with binary assets and access control

BlackGit consists of blackgitcli and blackgitserver, usable separately. blackgitcli manages large Git repositories with many binary assets, such as game projects; with blackgitserver it provides permission management.

https://github.com/zhuzhonghua/blackgit

## Sakkyoku.ai: AI Music Generation Platform for Japanese and ACG-Style Songs

Sakkyoku.ai is an online AI music generator tuned for Japanese and ACG styles. Text prompts produce full songs in J-Pop, anime rock, City Pop, lo-fi or game BGM with Japanese vocal synthesis; output is royalty-free.

https://sakkyoku.ai/

## Codent: An Open-Source AI Coding Agent with Composable Workspace, Model, and Session Planes

Codent is an open-source AI coding agent that goes beyond a terminal AI assistant: it is built on three planes — workspace, model, and session — that can be freely combined, letting developers mix and match code workspaces, underlying mode…

https://github.com/MrWangJustToDo/MyAgent

## PhotoEnglish: Turn Your Photos into English Learning Material

An iOS app that turns your own photos and old pictures into English learning material: it recognizes objects and scene features, generates English nouns, adjectives and descriptive sentences, and supports word spelling, read-aloud with spe…

https://www.v2ex.com/t/1243975

## Qind (轻达) — A Mac productivity toolbox

Qind is a menu-bar Mac utility bundling four tools: Finder context-menu enhancements, automatic input-source switching, clipboard history, and an app hotkey/window switcher. Native, lightweight, with 9 UI languages;

https://github.com/soonxf/Qind

## Code Error Help Organizer — One HTML File Turns Environment, Repro Steps and Errors into Markdown

Single-file HTML tool that turns a coding help request into editable Markdown using six fields: goal, environment, repro steps, raw error, attempts, desired help. Flags missing info, runs no code, needs no login or upload, works offline.

https://liunenglabs.xyz/guides/debug-report/

## iLoveAIImg: Free AI Image Generation, Editing and Background Removal

AI image toolkit for creators, designers and e-commerce sellers: text-to-image generation, prompt-based editing of background, objects, colors or style, and cutout to transparent PNG.

https://iloveaiimg.com/

## Open-source browser-based Red Alert 2 with Yuri's Revenge and multiplayer

Open-source browser version of Red Alert 2 for macOS, Linux, Windows (limited mobile support WIP).

https://github.com/ra2-games/ra2

## Operational Ontology: A Runnable Minimal Reference Implementation of Palantir-Style Ontology

Operational Ontology is a TypeScript reference implementation of Palantir-style ontology with four properties: objects and links, writes only through named Actions with rule checks, every attempt logged including rejections, and accepted c…

https://github.com/gura105/operational-ontology

## Claude Chat Mobile: Self-Hosted Web UI to Drive Local Claude Code from Your Phone

Self-hosted Node service driving your local logged-in Claude Code CLI via Agent SDK. Same session, transcript, CLAUDE.md, MCP and permission config; approve tools, answer model questions and get push alerts from a phone PWA.

https://github.com/Ike-li/claude-chat-mobile

## AI Interior Design: Generate Interior Design Plans from Room Photos

AI Interior Design is an online tool that turns a room photo into redesign reference images in different styles and lighting, helping users compare visual directions before renovating or rearranging a space.

https://ai-interior-design.online/

## deep-jev-seek: Using DeepSeek as a j.e.v Alternative

Uses DeepSeek logprobs to emulate j.e.v mode, offered via Docker relay, npm package and a web UI that connects to a locally started llama.cpp server. Local llama.cpp works too; a ~30B model nears j.e.v accuracy, cheaper but higher latency.

https://github.com/lenML/deep-jev-seek

## ChatGPT / Codex Ban Prevention Guide 2026: Suspensions, Verification and Clean Networks

A 2026 guide to keeping ChatGPT and Codex accounts safe: it separates deactivation from verification prompts and quota limits, flags region hopping, account sharing, extreme automation and dirty proxy nodes as ban triggers, and advises sta…

https://570836.l49.net/#/auth/d2RtVGgb

## Open-source Eastern metaphysics library citing classical sources for every rule

Pure-function Python library for BaZi computing: ganzhi timekeeping, chart casting, five-element strength scoring, wangshuai grading, luck cycles, compatibility. Cited rules note their classical source; school splits are explicit params.

https://github.com/zaoxu001/tianzhi-core

## Awesome JEV: 171 Curated JEV Open-Source Projects with 50+ Stars

Awesome JEV is a free, open-source, continuously maintained directory of source-verified JEV projects.

https://github.com/BeatAPI/awesome-jev

## agent-substrate / substrate

Agent Substrate: the core system

https://github.com/agent-substrate/substrate

## dream-num / univer

The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.

https://github.com/dream-num/univer

## davila7 / claude-code-templates

CLI tool for configuring and monitoring Claude Code

https://github.com/davila7/claude-code-templates

## google / ax

Google's open agentic orchestration runtime

https://github.com/google/ax

## superdesigndev / treg

OpenRouter for agent tools. Join community here:

https://github.com/superdesigndev/treg

## browser-use / video-use

Edit videos with coding agents

https://github.com/browser-use/video-use

## ruanyf / weekly

A weekly tech publication for technology enthusiasts, released every Friday.

https://github.com/ruanyf/weekly

## firerpa / lamda

Android Full-Stack Device Control Platform: WebRTC/H.264 remote desktop, UI/OCR/image-matching automation, one-click MITM, built-in Frida, proxy/VPN/frp/P2P networking, MCP/Agent, 160+ APIs, designed for multi-device clusters and engineere…

https://github.com/firerpa/lamda

## zizifn / edgetunnel

Running V2ray inside edge/serverless runtime

https://github.com/zizifn/edgetunnel

## PlexPt / awesome-chatgpt-prompts-zh

A Chinese prompt-engineering guide for ChatGPT that collects prompts and usage guidance for various scenarios, helping users learn how to get ChatGPT to follow their instructions.

https://github.com/PlexPt/awesome-chatgpt-prompts-zh

## tw93 / Pake

🤱🏻 Turn any webpage into a desktop app with one command.

https://github.com/tw93/Pake

## RapidAI / RapidOCR

📄 Awesome OCR multiple programing languages toolkits based on ONNX Runtime, OpenVINO, MNN, PaddlePaddle, TensorRT and PyTorch.

https://github.com/RapidAI/RapidOCR

## higress-group / higress

🤖 AI Gateway | AI Native API Gateway

https://github.com/higress-group/higress

## halo-dev / halo

Halo is a powerful and easy-to-use open-source website building tool that covers personal blogs, knowledge bases, corporate websites and online stores, meeting diverse site-building needs in one place.

https://github.com/halo-dev/halo

## immersive-translate / immersive-translate

A browser extension for immersive bilingual web page translation that shows translated text alongside the original, supports input-box and hover translation, and can translate PDF, EPUB, subtitle and TXT files.

https://github.com/immersive-translate/immersive-translate

## aoaostar / legado

Book sources for the Legado reading app, used to add online book sources to the reader.

https://github.com/aoaostar/legado

## asLody / VirtualApp

Virtual Engine for Android(Support 14.0 in business version)

https://github.com/asLody/VirtualApp

## Keet

Learn anything with interactive video courses on any topic.

https://www.producthunt.com/r/TEUVUDNS54ZKR3?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## VideoFlow Studio

VideoFlow Studio is a video agent harness. Run `npx @videoflow/studio`, point it at your site's URL, and a coding agent (Claude Code or Codex) reads what your product does, plans a film, builds it, renders it, and reviews its own cut befor…

https://www.producthunt.com/r/K5MHDBQO2AKZNW?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## Grok 4.7

Grok 4.7 is our most capable model for coding and knowledge work. It works longer on difficult tasks, checks its own work more carefully, and comes with our best-calibrated safeguards to date. Served at the same price and speed as Grok 4.

https://www.producthunt.com/r/B7XCD2WL2H3O32?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## gg-friggin-ez

Fast, free, drop-in multilingual profanity and toxicity screener for Node.js, powered by System 1 models like TypeSafe AI Jev and Laya.

https://www.producthunt.com/r/62NHVES2YJVPJO?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## Pulsetic RUM

Pulsetic is uptime monitoring that measures your real visitors too. One async script reports Core Web Vitals, load-time percentiles and the JavaScript errors they hit, sliced by page, country, browser and device, so you catch the slow chec…

https://www.producthunt.com/r/IL52O5VB4PYSYL?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## Clueso MCP

Make videos with Claude, ChatGPT, or any AI agent. Give Clueso an idea, deck, reference video, or recording, and it handles the whole video production: storyboard, scenes, voiceover, music, and editing, on-brand.

https://www.producthunt.com/r/CFUV35KT4ZLPZO?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## thestory.run

Your team already has things to say, they just don't know how. Our coach helps you stay consistent, find stories worth sharing and makes YOU the writer. Most AI tools take over writing. thestory.

https://www.producthunt.com/r/4NQTG6TFZMKOFG?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## PixelCrew

A crew of specialized AI agents coordinates on your brief and ships production-quality design. Research, creative direction, wireframes, and production-ready HTML with a design system.

https://www.producthunt.com/r/4J7QOHDZNA32KU?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## SereneDB

SereneDB is the result of 12 years of development - an open-source database that does ultra-fast full-text and fast analytics in one engine. Postgres- and Elastic-compatible: keep your SQL, your drivers, and your Elastic clients;

https://www.producthunt.com/r/JNUSRVQLG5UDSB?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## WZRD

WZRD is for teams and creators working with documents, slides, forms and sheets. Upload existing work or create from a prompt, then turn it into an AI experience users can engage with. Forms collect answers by speaking or typing.

https://www.producthunt.com/r/6OKF7YXETYBRXV?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## Plane Agents

Plane Agents join your workspace as members. Assign them work items, tag them, trigger them when work changes, or run them on a schedule. They triage requests, draft specs, run standups, flag delivery risks and a lot more.

https://www.producthunt.com/r/K3DAYV2WJKMEFI?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## Anomalo

Your data changes constantly. Anomalo Analyst tells you what matters before you know to ask. It proactively monitors your Snowflake, Databricks, or BigQuery data, surfaces important trends, anomalies, and shifts, and lets you investigate w…

https://www.producthunt.com/r/JX5YLOBNA72SYU?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## Reeno

Reeno turns language practice into something that happens naturally throughout your day. Instead of opening an app and scheduling a lesson, Reeno calls you at random times for short conversations with AI.

https://www.producthunt.com/r/6AEHB2COY4HUIT?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## ReallyFree

You search for a free PDF editor. Four results in, you've made an account, hit a paywall, and downloaded something with a watermark. ReallyFree puts a coloured dot on every search result before you click. GREEN: genuinely free.

https://www.producthunt.com/r/QJFBV42ABYJFDA?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## Brev

Brev acts like your AI coworker in Slack who's really good at hitting goals. Tell Brev your team and company targets, and let it do the rest.

https://www.producthunt.com/r/OQYYDAU5J7ZLJ4?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+community-pulse+%28ID%3A+298615%29

## Drop – A rootless Linux sandbox with gVisor support

I created Drop because I always felt uneasy installing and running third-party programs using my main user account. A single compromised dependency means a full compromise of the system.

https://droprun.sh/

## Foremerge – Catch intent conflicts between parallel coding agents

At, GPTree, we run several coding agents across our team on one using parallel worktrees. Apart from wasted time reviewing and fixing conflicts at PR time, the failures that hurt the most are when multiple plans or tickets cause archi…

https://github.com/naw103/foremerge

## A website that tracks US food prices every day

The US Department of Agriculture (USDA) publishes daily food price data for about 290 commodities on: - what growers were paid at shipping point - what buyers paid at the big city wholesale markets - what prices supermarkets advertised in…

https://www.kadoa.com/food-prices

## Vellum, the best diagram editor you'll ever use

I love Excalidraw, I use it all the time for work to quickly draw up a proposal for a customer. But its annoying I have to re-draw the same thing, but better in Draw.io / Visio when it comes to writing the formal documentation later.

https://vellum.blueprintr.io/

## InstinctFlash – Run 5B world-action models in real time on Jetson Thor

Hey HN, Guanming here, cofounder of General Instinct. We just released InstinctFlash, a high-performance serving framework for robotics models. It’s licensed under AGPL-3.0. On Jetson Thor, we see speedups about 1.2x to 7.

https://github.com/General-Instinct/InstinctFlash

## Praxos – Multiplayer AI

Hey Hacker News! Lucas here, founder of Praxos (YC S24). Praxos is a team messaging platform for people and AI agents.

https://www.praxos.ai/

## Brig – A MicroVM sandbox for AI coding agents on Mac and Linux

Hi HN, I’m Spiros from NOFire AI. We’ve open-sourced Brig under Apache 2.0. Brig runs AI coding agents inside a microVM on Mac (Apple Silicon) and Linux (x86_64/ARM).

https://news.ycombinator.com/item?id=49802729

## Watch all the AI agents on your machine

Event-driven, harness-neutral API and CLI for live coding-agent sessions

https://github.com/markwylde/all-your-agents

## WebGCM – a global climate model running in the browser on WebGPU

I started this four and a half years ago. I wanted to build a climate model as both a toy and educational tool that I could visualize in a web browser. I have always been interested in meteorology and asked r/

https://gcm.echorelay.net/

## Agent Chaperone – Screen AI agent tool calls and results with Jev

Hi everyone. TypeSafe released Jev last week, and it pushed me to build agent-chaperone. It is a screening layer for AI agent tool calls and tool results.

https://github.com/agent-chaperone/agent-chaperone

## Nimblegate – Git push guardrails for AI agents

Git push guardrails for AI agents: block unsafe pushes consistently, forward safe ones, record every decision. Self-hosted.

https://github.com/nimblegate/nimblegate

## Jev Powered Obsidian Search

Jev-assisted retrieval and evidence-preserving inspection for local Markdown, Obsidian vaults, and Logseq Markdown graphs.

https://github.com/Emlembow/jev-graph-search

## Distributed SQLite on Modal

Distributed SQLite on Modal

https://github.com/modal-projects/sqlite-modal

## Hack – my Hacker News mobile client now lets you block AI posts

Hello HN! I am the developer for HACK, a hacker news client that I have been building and maintaining for over 8 years now on iOS, iPadOS, MacOS and Android. Wanted to share this news as there'

https://news.ycombinator.com/item?id=49802005

## Builder – An open-source alternative to Lovable, Replit, and v0

📦✨ AI Builder For Creating Sites and Apps! An open-source alternative to Lovable, Replit, v0, and similar platforms.

https://github.com/HeyPuter/builder

## JEV Playground and Resource Hub

A model that returns probabilities over preset options instead of generating text—fast and cheap. It offers a free in-browser JEV Playground and a curated set of demos and use cases, with community projects linking to their GitHub repos.

https://www.v2ex.com/t/1244085

## Open-Source Liquid Glass AI Voice Input Method for macOS

An open-source AI voice input method for macOS with a Liquid Glass visual style, built because existing AI voice typing apps lacked polished design.

https://github.com/LuliYanng/LiquidType

## macOS Menu Bar Manager for UU Remote Terminals

A macOS menu bar manager for NetEase UU Remote terminals: view, create, open, and end its tmux-backed remote sessions via the wrapped CLI, with optional auto-mirroring of new mobile sessions to iTerm2. Natively built in SwiftUI.

https://github.com/AlliotTech/uu-tmux

## 剧小匠: AIGC Scriptwriting Software with Free Plan Coupon Codes

AIGC scriptwriting tool for OPC and solo creators: structured scriptwriting with AI drafting, treating scripts as evolving content assets.

https://www.v2ex.com/t/1244048

## Countdown.im: Minimalist Countdown Page for Timers, Holidays and Dates

Countdown.im is a minimalist browser countdown page supporting minute and hour timers (15 min, 30 min, 1 hour, 2 hours) plus countdowns to holidays and dates such as New Year, Christmas, Chinese New Year and custom dates like 2027-01-01.

https://www.v2ex.com/t/1244041

## Free Login-Free MP4 Metadata Parsing API on Cloudflare Workers

Free, anonymous MP4 metadata API on Cloudflare Workers using mp4box.js. HTTP Range probes read the moov box for resolution, codec, bitrate and duration without full downloads; also parses image EXIF and dimensions. URL/upload, 200MB max.

https://www.v2ex.com/t/1244038

## Vivid Player adds Xbox support with Dolby Vision, audio passthrough and 4K hardware decoding

Vivid Player, a Windows 10/11 media player, now also runs on Xbox One and Series via a newly built UWP UI.

https://www.v2ex.com/t/1243998

## Vibe Coding in Practice: Building a Browser-Only DOCX Rendering Component

A browser-only DOCX rendering engine built with AI assistance: Worker-first architecture offloads OOXML parsing and layout to Web Workers, with a single pagination kernel and progressive sealed-page rendering for large files.

https://www.v2ex.com/t/1243989

## I Built an Offline Vocal Separation App for Mac

An offline vocal separation app for Mac that splits vocals or removes background music. It ships with a built-in model, works out of the box, and keeps audio local instead of uploading it to a server, avoiding online usage limits and fees.

https://www.v2ex.com/t/1243982