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DEV TRENDS / DAILY DISCOVERIES

Sep 30, 2026 · What developers are building

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

US & Canada Immigration Data Tracker

Open-source JSON for immigration: monthly U.S. green card priority dates for 15 categories, 447 Canadian EE draws, U.S. processing times, a 23-country policy database, and points calculators for 6 countries. Free, ad-free, no brokers.

DTTravel & mobilityDTContent / resourceOriginaldataset
1

VideoCreate

Analyzes MP4/MOV clips up to 60s, splits shots by timecode, extracts subject, camera movement, action, lighting, style and audio per shot, then generates prompts for Seedance, Kling 3.0, Wan 2.6 and Grok Imagine;

DTContent creationDTWeb appDTWeb
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Jev AI

Turns text/JSON into probabilistic yes/no, choice, and score decisions for ticket classification, moderation, intent routing, and lead scoring. Offers a web Playground, API, and CSV/TXT/JSONL batch processing; 5 free credits on signup.

DTBusiness & growthDTWeb appDTWeb
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Online Tone Generator

Free browser tool generates audio tones at adjustable frequencies: sine, square, triangle, sawtooth; L/R control, WAV export, frequency sweep, multiple tone, speaker/subwoofer tests. Local processing; no uploads/installs.

DTContent creationDTWeb appDTWeb
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FPS Tester

Free browser toolkit for real-time FPS, frame time, 1% low, stability, drops, refresh rate, comparison, screen tearing, motion blur, monitor, mouse polling, reaction time; checks browser animation, display and game input performance.

DTSoftware developmentDTLifestyle & entertainmentDTWeb app
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Highball: Run Windows Games on Apple Silicon Macs for Free

Highball is a free GPL-3.0 native macOS app that runs Windows games on Apple silicon Macs. Based on Wine, it auto-configures DXMT, DXVK and D3DMetal, offers one-click Steam/Epic setup, and provides CC0 compatibility and anti-cheat data.

LanguageSwiftDTLifestyle & entertainmentDTDesktop appOriginalapple-silicon
1.1K

Duplex: Human and AI Share One Browser

AI drives your live browser tab rather than a separate automation instance, sharing one session. A built-in stdio MCP server exposes 24 tools (click, type, drag, screenshot) to any MCP client, with visual actions and Esc takeover.

LanguageTypeScriptDTSoftware developmentDTAgent extensionOriginalai
2

Codex Security Guard: Local Security Audit for OpenAI Codex

Windows audit for OpenAI Codex: reads ~/.codex/sessions, checks commands/files/context; alerts on SSH/auth.json, curl|sh, DB deletes, prompt injection, poisoned AGENTS.md/MCP config. CC Switch detects model swaps; no proxy/certs/config.

LanguageRustDTSecurity & testingDTSoftware developmentOriginalai-agents
9

mksglu / context-mode

Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and enforces routing across 17 platforms via MCP + hooks.

LanguageTypeScriptDTSoftware developmentDTAgent extensionOriginalantigravity
24.4K

DietrichGebert / ponytail

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

LanguageJavaScriptDTSoftware developmentDTAgent extensionOriginalagent-skills
149.1K

harry0703 / MoneyPrinterTurbo

Generates HD short videos from a topic or keyword in one click using AI models and an automated workflow.

LanguagePythonDTContent creationOriginalai-video-generatorOriginalffmpeg
127.5K

openclaw / openclaw

The AI that really does things. Any OS. Any Platform. The lobster way. 🦞

LanguageTypeScriptDTDesktop productivityOriginalaiOriginalassistant
391K

mattpocock / skills

Skills for Real Engineers. Straight from my .agents directory.

LanguageShellDTSoftware developmentDTAgent extensionDTSkill / plugin
272.9K

colbymchenry / codegraph

Pre-indexed code knowledge graph, auto syncs on code changes, for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, CoPilot, and Hermes Agent — fewer tokens, fewer tool calls, 100% local

LanguageCDTSoftware developmentDTAgent extensionDTClaude Code
72.6K

RayWangQvQ / BiliBiliToolPro

Bilibili auto-task tool supporting Docker, Qinglong, Kubernetes and other deployments; it fully embraces AI and is usable even for sensitive skin.

LanguageC#DTLifestyle & entertainmentDTCLIOriginalbilibili
8.9K

xifangczy / cat-catch

Cat-catch is a browser extension for sniffing web resources. It detects media and other resources on pages so users can inspect and capture them.

LanguageJavaScriptDTContent creationDTSkill / pluginOriginalchrome
22.1K

qjfoidnh / BaiduPCS-Go

A Baidu Netdisk command-line client based on iikira/BaiduPCS-Go, adding transfer/save support for share links and instant-upload links.

LanguageGoDTData & operationsDTCLIOriginalbaidupcs
5.7K

zhayujie / CowAgent

Open-source personal 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.

LanguagePythonDTDesktop productivityDTAgent orchestrationOriginalai
47.2K

wangrongding / wechat-bot

🤖 Multi-platform IM AI Agent for Telegram, WhatsApp, Lark, and WeChat. Connects ChatGPT / Claude / Kimi / DeepSeek / Ollama / Pi for auto-replies, community analysis, contact management, and inactive-friend detection.

LanguageJavaScriptDTLifestyle & entertainmentDTVertical agentOriginalchatgpt
11.4K

Rockyzsu / stock

A continuously updated learning resource designed to help learners master quantitative trading in 30 days.

LanguagePythonDTResearch & learningDTContent / resourceOriginalquant
8.6K

RapidAI / RapidOCR

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

LanguagePythonDTSoftware developmentDTLibrary / SDKOriginalchineseocr
8K

fanmingming / live

A directly accessible icon library and companion tools for TV and radio channel logos, permanently free, fully open source, with continuously expanded logo coverage and IPv4/IPv6 dual-stack access.

LanguageJavaScriptDTContent creationDTContent / resourceOriginalchina
28.5K

krahets / hello-algo

An illustrated, runnable data-structures and algorithms tutorial with animated diagrams, in Simplified/Traditional Chinese, English, and Japanese, plus code in Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, and Dart.

LanguageJavaDTResearch & learningDTContent / resource
130.6K

hiroi-sora / Umi-OCR

Free, offline OCR software that recognizes text from screenshots, batch-imported images, and PDF documents; excludes watermarks, headers, and footers; scans and generates QR codes; ships with multilingual language packs.

LanguagePythonDTDesktop productivityDTDesktop appDTWindows
47.6K

shadow1ng / fscan

fscan is a comprehensive intranet scanning tool for one-click automated, all-round vulnerability scanning.

LanguageGoDTSecurity & testingDTCLI
14.6K

Ship It: Idle Dev Tycoon

A pixel-art idle game about running an app studio. Ship updates, put out fires and survive App Review. Recruit 68 suspiciously familiar advisers, then sell your studio and do it all again. New in 2.

DTLifestyle & entertainmentDTMobile appDTiOS
92

Cyluma

Cyluma turns your Mac’s battery into a responsive living landscape. Optimise your battery's health with best parctices. See charge, charging state, time remaining, battery health and energy use from a calm menu-bar companion.

DTDesktop productivityDTDesktop appDTmacOS
87

WhisperBrain

WhisperBrain listens locally, remembers what your team decided, and turns every meeting into searchable memory inside Obsidian.

DTDesktop productivityDTSkill / plugin
63

GitBot

GitBot turns a job you keep giving Claude Code, Codex or OpenCode into a bot. Write the instructions once, set what it may touch, and run it in any repo. Each run is a thread you can come back to.

DTSoftware developmentDTAgent orchestrationDTClaude Code
160

Pexo

Pexo makes creating your launch video as simple as having a conversation. Share your product, website, or assets.

DTContent creationDTVertical agentDTWeb app
324

Ferndesk

Ferndesk is a complete help center with an agent that checks every article against your product, catches what changed, and drafts the fixes for you.

DTBusiness & growthDTVertical agentDTWeb app
310

Autonomyware

Autonomyware turns your idea into an engineered physical product. Start with your vision and let autonomous AI handle the engineering process end to end.

DTContent creationDTVertical agentDTWeb app
192

CoIsland

CoIsland watches CI, deploys, errors, incidents and databases (35+ connectors) and shows only what breaks, in an island on the edge of your Mac's screen. Monitors are plain SQL or shell files.

DTData & operationsDTAgent orchestrationDTDesktop app
79

Overpath

The CRM records the deal. Intelligence tools analyse it. Overpath is what happens next. Molly is an AI teammate for revenue teams - grounded in your methodology, your deals, your context.

DTBusiness & growthDTVertical agentDTWeb app
81

Upsolve Data Models

Register your data model, metric definitions and business vocabulary once. Upsolve grounds every agent answer in them, versions them like code and refreshes column values nightly, so answers stay correct as your data changes.

DTData & operationsDTAgent extensionDTWeb app
82

Campfire

Campfire gives humans and coding agents a shared place to work. Run the coding agents you already use and bring their sessions, context, decisions, and progress together in one workspace. Open source and harness-independent.

DTSoftware developmentDTAgent orchestration
83

Flocker Agent Profiles

Never lose context again! Give your Agent a profile page, live feed, and personal storage. Access it anywhere, and connect more to build your private agent network. Give every agent a job title! AI works better with a clear job description.

DTSoftware developmentDTAgent extensionDTAgent orchestration
84

Squint

Most AI tools make you screenshot, switch to a chat tab, upload, and switch back. Squint cuts that to one step: press a hotkey, drag a box over anything on your screen, and ask.

DTDesktop productivityDTDesktop appDTWindows
87

NotchDodo

NotchDodo turns your Mac’s notch into a useful part of your everyday workflow. 🦤 With 14 built-in tools, NotchDodo gives you quick access to handy utilities without interrupting your work.

DTDesktop productivityDTDesktop appDTmacOS
96

Aktar

Aktar is a free, open-source app for instantly sharing files through your own S3-compatible storage.

DTDesktop productivityDTDesktop appDTMobile app
97

A working 3D model of an Enigma machine

I watched the excellent Veritasium video [1] on the Enigma machine, and watched the full animation by Jared Owen [2], but was still a bit confused on how the inner mechanics of an Enigma machine work.

DTResearch & learningDTWeb appDTWeb
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Ledge.sh – Runnable Markdown Notes

Hi HN, Ledge is a Markdown notebook that runs shell commands, code, SQL, etc from inside your own notes. I built Ledge because I spend much of my day copy/pasting commands from my notes into the terminal.

DTSoftware developmentDTDesktop appDTMobile app
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Sarala – An open-source WYSIWYG Markdown editor

Sarala is a free, open-source WYSIWYG Markdown editor that renders as you type — no preview pane, no split view. Live math, diagrams, syntax highlighting, and export to PDF, HTML, and more. For macOS, Windows & Linux.

DTContent creationDTDesktop productivityDTDesktop app
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Layout – Order food anywhere with AI

Layout lets you order food anywhere with AI. Text it what you want, like "iced americano from Starbucks," and it builds the cart at the restaurant, sends you the total, and securely places the order.

DTLifestyle & entertainmentDTVertical agentDTAgent extension
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knloop: Agent Rules as a Long-Term Execution Manual

Model sets an agent's capability ceiling, rules set its consistency: knloop is an agent-native knowledge base where rules, SOPs and QA are stored as persistent .md docs that agents read via MCP and write results back to.

DTSoftware developmentDTAgent extensionDTMCP service
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OBS Beauty Plugin for macOS and Windows

An OBS beauty plugin for macOS and Windows, offering skin, shape, makeup, body, sticker, and virtual background effects. The free version has a watermark; paid access is available via monthly or yearly subscription.

DTContent creationDTSkill / pluginDTmacOS
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Open-Source Browser Gomoku with a Rapfi WASM Boss

Open-source browser Gomoku game. Its final boss runs Rapfi, a Gomocup-winning engine compiled to WASM (~1.3MB), searching 700k positions and 20+ moves ahead. Four AI levels, local and WebRTC online play, Renju rules and cross-device saves.

LanguageC++DTLifestyle & entertainmentDTWeb appOriginalfive-in-row
280

DEV TRENDS / COMMUNITY

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