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DEV TRENDS / DAILY DISCOVERIES

Sep 26, 2026 · What developers are building

Daily discoveries from developer communities, independent makers, and open source.

Shadow Mate: Family Growth Workbench for Ages 4–8

Shadow Mate is a free growth workbench for ages 4–8. Parents manage multiple kids, split Chinese, math, English and picture-book reading into daily tasks. Kids check in offline; A4 copybook printing, points, calendar. No ads/child accounts.

LanguageJavaScriptDTResearch & learningDTWeb appOriginalchild-development
4

Photo Repair

An AI-powered photo repair app, supporting online image restoration features such as scratch removal, deblurring, denoising, color fade correction, and portrait enhancement.

DTContent creationDTWeb appDTWeb
—

Toolbox

Static web directory of 61 online tools/resources in 10 categories: image, publishing, files, media, reading, references, dev, community, subscriptions. Offers site search, scroll-linked category navigation, and responsive layout.

LanguageJavaScriptDTResearch & learningDTContent creationOriginalbookmarks
0

AI Resonance

A daily AI radar that ranks GitHub, arXiv, Hacker News, community discussions, and AI vendor updates into five leaderboards. Scoring formula is public; cross-platform items are auto-grouped; read instantly without signup.

LanguageTypeScriptDTResearch & learningDTWeb appOriginalai
5

FitStreak: iPhone Fitness App for Daily Streaks

Indie iPhone fitness habit app: one daily workout, tracked with streaks, XP and achievements. 30-day beginner, fat-burn and core plans, goal/time/equipment-based workouts, planned rest days, Apple Health, offline. Free;

DTLifestyle & entertainmentDTMobile appDTiOS
—

humanizer-zh-next: Chinese Writing and Editing Agent Skill

humanizer-zh-next is an Agent Skill for editing and rewriting Chinese text, with academic mode for papers, theses, reviewer replies, and grants. It targets templated phrasing while preserving facts and voice. Not a model; review advised.

DTContent creationDTResearch & learningOriginalagent-skill
115

ILoveNotch: Free Open-Source MacBook Notch App

A free MIT MacBook notch app in SwiftUI/AppKit: media controls with waveform, file shelf with Quick Look and AirDrop, calendar, Reminders, notes, shortcuts, timers. Event-driven with near-zero idle CPU; no account or tracking.

LanguageSwiftDTDesktop productivityDTDesktop appOriginalai-usage
3

NodeLane: Browser Manga Reader

Browser manga reader for supported sites, local files, and Google Drive. Saves progress and tracks chapter updates. Optional translation via cloud or local manga-translator-ui, toggling original/translated images.

LanguageTypeScriptDTLifestyle & entertainmentDTWeb appDTBrowser
2

dream-num / univer

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

LanguageTypeScriptDTContent creationDTData & operationsOriginalboard
19.1K

zhaoxuya520 / reverse-skill

Security skill router for reverse engineering, authorized pen testing, and research. AI-powered routing, on-demand toolchain bootstrapping, and a self-evolving knowledge base for Claude Code, Cursor, Cline, and other AI coding clients.

LanguagePowerShellDTSecurity & testingDTAgent extensionDTAgent orchestration
37.9K

llvm / llvm-project

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

LanguageLLVMDTSoftware developmentDTLibrary / SDKDTCLI
40.7K

mobile-next / mobile-mcp

Model Context Protocol Server for Mobile Automation and Scraping (iOS, Android, Emulators, Simulators and Real Devices)

LanguageTypeScriptDTSoftware developmentDTData & operationsOriginalagent
7.2K

czy0729 / Bangumi

An ad-free, non-profit ACG tracking app for iOS and Android, serving as an unofficial bgm.tv client similar to Douban. Redesigned for mobile with many features hard to achieve on the web and extensive customization.

LanguageTypeScriptDTLifestyle & entertainmentDTMobile appOriginalandroid-app
6K

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…

LanguagePythonDTSecurity & testingDTSoftware developmentOriginaladb
8.5K

zhayujie / CowAgent

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-agent, multi-model, multi-channel. Lightweight, extensible, one-line install.

LanguagePythonDTSoftware developmentDTAgent orchestrationOriginalai
47.1K

Infrasys-AI / AISystem

AISystem is a resource on AI full-stack underlying technologies, covering AI chips, AI compilers, and AI inference and training frameworks.

LanguageJupyter NotebookDTResearch & learningDTContent / resourceOriginalai
17.9K

xifangczy / cat-catch

Cat-catch is a browser resource sniffing extension for detecting and extracting resources on web pages.

LanguageJavaScriptDTContent creationDTSkill / pluginOriginalchrome
22K

gaotianliuyun / gao

Configuration files for FongMi Video and TVBox; users can fork them for personal use after reading the repository instructions.

LanguageJavaScriptDTLifestyle & entertainmentDTContent / resource
7.8K

RapidAI / RapidOCR

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

LanguagePythonDTSoftware developmentDTLibrary / SDK
8K

qd-today / templates

A public HAR template library published for the new open-source QD framework site; intended as examples only.

DTSoftware developmentDTContent / resourceDTWeb
1.6K

Psst

Psst is a shared shopping list. The useful part is that it remembers what you paid. Photograph a receipt and the lines come back structured, each one showing a crop of the row it came from and what that item cost last time, and where.

DTLifestyle & entertainmentDTMobile appDTiOS
103

Chit

Chit reads the Claude Code transcripts already on your disk and prints the day back as a receipt, grouped by project and ready to paste into a standup. A 777 KB Mac app.

DTSoftware developmentDTDesktop productivityDTAgent observability
167

Fewer

An Android launcher built around pickups, not screen time. A quiet home screen shows today's task, how many times you've looked at your phone (and how many for nothing) and the six tools you actually use. Time sinks get a pause.

DTDesktop productivityDTMobile appDTAndroid
112

MakerMap

MakerMap is a living map of the maker world. Discover 4,000+ makers and products, search by niche, location, interests or what people are building, explore live profiles, and find people worth meeting.

DTBusiness & growthDTWeb appDTWeb
150

SOUND

macOS has one volume slider and no equalizer. SOUND gives every playing app its own 8-band EQ, independent volume, and output device—right from the menu bar. No virtual audio driver or account; audio stays on your Mac.

DTDesktop productivityDTDesktop appDTmacOS
97

Eclatira

Plug real-time conversational video AI into any application. Eclatira gives developers native voice-to-voice, live vision, and full-stack execution across custom APIs, MCPs, and 3,000+ apps. Ship autonomous multimodal video agents fast.

DTSoftware developmentDTAgent runtimeDTLibrary / SDK
272

Lisen

Free read aloud for any article with your Cartesia voices. No subscription on top of your Cartesia plan.

DTDesktop productivityDTWeb appDTWeb
102

Kleanly

Kleanly lives in your MacBook's notch. Tap it once and your keyboard and trackpad are locked, so you can wipe everything down while your video keeps playing. Kids can slap the keys during a cartoon and nothing gets typed.

DTDesktop productivityDTDesktop appDTmacOS
104

GoodSocials

AI social media manager for LinkedIn. Writes high quality content, you approve it in a kanban board, it schedules so you post regularly, close to daily.

DTBusiness & growthDTContent creationDTVertical agent
118

Paragraph Notes

Paragraph Notes is a privacy-focused Markdown notes app for Mac. Write in a simple, distraction-free plain text editor. Paragraph Notes collects no data and never connects to the internet.

DTDesktop productivityDTDesktop appDTmacOS
123

Hemory

Hemory comes from Hear + Memory. It's not meeting transcription: Hemory listens on the phone or Apple Watch you already own, and keeps every conversation as memory.

DTResearch & learningDTAgent extensionDTMobile app
303

A Claude Code skill to analyze your chess games

Hello HN, It started as an experiment: can Claude play chess properly if it uses vision instead of PGN notation? Somehow it can. The next experiment was to see whether Claude + Stockfish could explain a game. Somehow it can too.

LanguagePythonDTResearch & learningDTAgent extensionDTSkill / plugin
40

Doom or Bloom, map your AI worldview

Map your AI worldview by answering a few questions, and see how you compare with others. only takes a few minutes && free & open source && private by default && powered by Jev I think this is a really important question for everyone to be…

DTResearch & learningDTWeb appDTWeb
—

A game about fake news and memes

I made this game to help me with media literacy. View it like Wordle but for fake news. I would appreciate your honest feedback since I'm serious about making it way better.

DTResearch & learningDTWeb appDTWeb
—

Tui2web – use any TUI on the web

I built this utility because there have been a ton of times I started a claude session and then wanted to go for a walk, or a coffee break, while thinking about whatever I was working on, and keep prompting the agent.

DTSoftware developmentDTAgent runtimeDTWeb app
—

Ollaya Web UI

Web UI for the Ollaya API

LanguageJavaScriptDTContent creationDTWeb appOriginaljev
4

I made a WWI dogfight game that runs in the browser

Hello, this is one of my new games, developed with my own custom game engine. A lot of it was enabled by the latest AI models like Opus or Astra, I feel like I can finally express myself without being bogged down in asset work or programmi…

DTLifestyle & entertainmentDTWeb appDTWeb
—

Recurse – Develop and deploy specialist agents faster

Hi HN! We are looking to gather some feedback on our serverless agent harness. The admittedly not-so-specific use case is to accelerate agent development and deployment. After building several custom/

DTSoftware developmentDTAgent runtimeDTAgent extension
—

I built a tool that gives any website an API and MCP

Anyone else run into this problem? I built staaake Meets (staaakemeets.com) because we run side tech events around the world. You create an event once and it can be shared to Luma, Meetup and Eventbrite.

DTSoftware developmentDTAgent extensionDTWeb app
—

Print Graph Paper

Printable graph paper in 57 styles, free to download as a PDF with no signup. Set the grid size, pick Letter or A4, and print at true scale.

DTDesktop productivityDTWeb appDTWeb
—

Cairn: Turn Ebooks into Narrated Slide Stations

Cairn imports EPUB/PDF/MOBI and builds a path of narrated, subtitled slide stations from the book's own structure, generating ahead as you listen, plus a companion assistant answering with verified citations. Books stay local, any model.

LanguageTypeScriptDTResearch & learningDTVertical agentOriginalai-agents
2

Chrome Tab Switcher & Search: Recent-Use ⌃⇥ and ⌘E

macOS menu bar app + Chromium extension linked via local WebSocket. ⌃⇥ switches tabs in recent-use order with thumbnails; ⌘E searches tabs, closed tabs, bookmarks, history, folders and apps (pinyin too). Chrome/Chromium.

LanguageSwiftDTDesktop productivityDTDesktop appOriginalarc-browser
22

llm: A Line-Based Coding Agent in Rust

llm is a Rust line-based coding agent: a static binary with no runtime deps, many LLM providers, interactive/piped use, script extensions, permission policies, MCP, subagents, skills, and JSONL sessions.

LanguageRustDTSoftware developmentDTVertical agentOriginalai
1

Run Warcraft III in the Browser

Runs Warcraft III in the browser at 1920×1080 60 Hz and supports custom maps such as DotA. The is not publicly deployed yet; contact the team for access. The project does not use Opus 5.5.

DTLifestyle & entertainmentDTWeb appDTBrowser
—

We Used This: A Graveyard for Dead AI Products

We Used This is a directory of discontinued AI products such as Cortana, Humane Ai Pin's consumer service and retired GPT-4o. Browse a 3D globe or search to see what each did, its launch and shutdown dates and lifespan, and add memories;

DTResearch & learningDTWeb appOriginalai
0

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