Fast-growing websites & new sites — free daily leaderboard | RainbowSea
Free daily leaderboard of fast-growing new websites and AI tools. 8,000+ rising sites in 10 categories — filter by growth and domain age, updated every day.
DEV TRENDS / DAILY DISCOVERIES
Daily discoveries from developer communities, independent makers, and open source.
Free daily leaderboard of fast-growing new websites and AI tools. 8,000+ rising sites in 10 categories — filter by growth and domain age, updated every day.
Open-source game wiki template with a built-in AI content workflow, keeping 100% of ad revenue. Optimized for Cloudflare Pages and free to deploy: fork, run 5 commands, click once to go live.
FermatMind is a free, no-signup online assessment tool for self-knowledge and career exploration. It covers MBTI, Big Five, Enneagram, Holland career interests, EQ self-assessment and visual matrix reasoning, plus career guides.
fakeloc generates synthetic US street addresses and fictional profiles, pairing city, state, and ZIP from reference data for form validation, UI demos, and import/export testing.
Browser-based EPUB to KEPUB converter that checks structure before and after: load a DRM-free EPUB, view the structure report, convert to KEPUB, then compare body text, cover bytes and link targets; download results with report.
Master the Pixel turns photos, illustrations, or pixel art into perler/fuse bead patterns. Adjust grid size and color count, match MARD, Perler, or Hama palettes, check thin lines, eyes, and outlines, then export patterns and bead counts.
NeoDB Lite is an unofficial Android client for NeoDB and compatible instances, letting users browse, search and mark books, films, music and games on mobile.
A tool for finding travel destinations by forecast weather: filter global cities by temperature, rain and humidity, and compare city forecasts on a weather map. Bilingual Chinese/English interface.
A free, no-login pricing calculator for Chinese Ozon cross-border sellers: derives suggested prices from category commissions, rFBS/FBP shipping rates, FX rates and target profit, plus Chinese how-to tutorials and an optional multi-store c…
Browser-based text line utility: paste text to sort lines alphabetically, numerically, naturally or by length, plus dedupe, list diff, shuffle, reverse and keyword-list cleanup. Runs locally, no uploads, free, no signup.
Free bead-pattern and pixel-art generator that turns photos into Perler/Hama/Artkal official palette patterns and counts beads; runs fully in-browser with no uploads for privacy, and supports chart export plus a focused beading mode.
Free chore-chart and points-reward tool for families with kids aged 4–14: parents assign recurring tasks, kids check in by PIN/QR, parents approve points for custom family rewards.
Browser-based image compression and format conversion tool with 19 image tools and batch processing for JPG, PNG, WebP, AVIF, GIF and JXL. Runs locally in the browser so files are never uploaded; free with no sign-up.
Enter an employee's salary and hiring country to instantly compare monthly total costs across Deel, Remote and Playroll EOR platforms, including estimated employer social security taxes. Chinese UI, free, no sign-up.
Multi-model AI API: one key accesses 150+ image, video, speech and LLM models through an OpenAI-compatible API. Multi-channel failover, failed calls not billed, async callbacks for image/video, pay-as-you-go below official. Requires coding.
MIT-licensed Chrome extension and local MCP bridge that lets agents like Codex reuse existing browser logins to read pages and prepare forms in background task tabs, with pause and manual takeover.
CLI that renders HTML/Canvas animations frame-by-frame in a headless browser and encodes them to H.264 MP4 with ffmpeg. No screen capture or AI video: real frame rates, exact frame alignment, deterministic repeatable output.
Open-source Typora-style WYSIWYG Markdown editor running in the browser, tuned for iPad touch and keyboards with PWA offline use. Supports tables, code highlighting, MathJax, Mermaid, outline, file management and Typora themes.
Hi, A few links in the docs no longer work (404 / 410): | File | Link | Status | Replay | |------|------|--------|--------| | docs/free-music.md | | 404 | | Cheers,
Browser-local image toolkit with 19 tools: compression, format conversion (JPG/PNG/WebP/AVIF/GIF/JXL/APNG), resize, crop, watermark, HEIC/PSD/PDF and video to GIF. Runs via WebAssembly so files never upload; no size or count limits.
Polls AI provider APIs every 60s; a second confirming call records the minute a new model becomes callable, then alerts via web, email or Chrome. Tracks launches, benchmarks and prices; includes an MIT zero-dependency Node.js CLI.
AI image-to-layer tool: upload a PNG/JPG/WebP and in ~60–100s get up to 16 named transparent layers with occluded backgrounds inpainted; export PNG, ZIP or layered PSD, or extract one element. Also a Figma plugin and Chrome extension.
Ayakaleaf Pro is an open-source online LaTeX collaborative editor based on Overleaf Community Edition, deployable on your own server via Docker.
Curated bilingual EN/ZH list of 555 verified Claude Code ecosystem resources: Skills, subagents, Hooks, plugins, MCP servers, multi-agent tools and tutorials. Includes weekly-updated star counts and a Chinese community section.
Free Chinese web tool that replaces names and companies in short text with consistent codenames before sending it to an AI, then restores them on the original page. No model calls, no login, no uploads; also does manual redaction to PNG.
Signal Garden automatically collects emerging GitHub open-source projects daily, ranked by forks gained in the last 7 days, listing only first-time recommendations with a one-line intro in Chinese and English.
Curated directory of 100 MCP tools, Skills, and editor plugins grouped by concrete tasks like checking sites, reading dev docs, or improving UIs. Entries flag whether setup is verified and link to source docs; stars are a popularity hint.
Browser-based file translation tool for PDF, EPUB, PowerPoint (PPT/PPTX) and SRT/VTT/ASS subtitles. Upload a file, pick languages, then follow a format-specific workflow with format-specific preview entry.
Local quant data engine with 7000+ A-share/ETF daily, minute K-line and tick data. Auto sync, cleaning, adjustment, zstd compression, Python batch-query API. No login, rate or concurrency limits. macOS/Linux/Windows.
Turns a single photo into a roughly 13–15 second AI dance short video in the Shan Shen Bu (flash-step) style.
Upload a single selfie to generate roughly 10-second AI video clips of a rocket-powered flying sports car soaring over traffic jams.
Chi Le Mai? is a WorkBuddy Skill that helps people who don't want to browse menus decide what to eat at McDonald's: given a location, budget and preferences, it queries in-store menus, checks combo composition and nutrition, then suggests…
MIT-licensed Chrome extension plus a local MCP server that lets Claude Code, Codex, Cursor and other MCP clients drive your logged-in Chrome: open, click, type, upload, read live DOM. 69 MCP tools, no API key, encrypted credential vault.
Chrome extension that translates readable YouTube subtitles into a chosen language, dubs them, and shows original and translated text side by side.
macOS app that read-only scans ~/.claude to estimate the tokens each installed skill and agent adds to every Claude Code turn, ranks them heaviest-first, and copies cleanup prompts you approve.
Open-source MIT macOS app for local denoising, transcription and non-destructive voice editing of podcasts and interviews. Edits are reviewable and reversible; reports and Project Capsule record settings, decisions and file hashes.
Free MIT browser AI assistant extension: sidebar chat, select-to-ask, page summaries and one-line form autofill. BYOK for DeepSeek, GPT or Claude (OpenAI/Anthropic protocols); chats stay local, data redacted, form submits confirmed.
Open-source AI workflow desktop app for macOS, Windows and Linux. A one-sentence request becomes a persistent workflow of generated functions, Agents, scheduled triggers and approval steps; runs locally, resumes after crashes, no API key.
Claude Pulse is an open-source desktop utility that provides 100% offline, real-time token monitoring for Claude Code, with a Mini HUD showing usage at a glance.
RowKite is a browser tool that compares two Excel sheets locally. Choose one or more match columns to pair records and pick the compare columns to check;
Open-source WYSIWYG Markdown editor (Tauri 2 + React) for macOS/Windows/Linux. Inline formulas, tables, Mermaid, Typora themes. AI assistant: Tab-accepted completions, per-sentence edits, margin notes. Local .md, no account, no telemetry.
Packs PocketBase (auth, files, realtime) and DuckDB into one executable. One SQL query joins remote Parquet, local SQLite and PostgreSQL/MySQL; results export to Parquet or Excel. Browser SQL console; single binary, no external deps.
Free open-source macOS app that records mic and meeting audio, then transcribes and summarizes locally into key points, decisions and to-dos with timestamps, including Chinese.
F3-Win: a single-file Rust tool using Win32 Direct I/O to detect fake-capacity USB drives and memory cards. It probes real capacity in minutes, charts speed and sector health, creates legal evidence reports, and repairs partitions.
MiniToolDesk is an online productivity toolbox for programmers and technical teams. It runs 100% client-side with zero server uploads and no ads, focused on speed, and is available on the Web and as a Chrome or Edge extension.
rpi splits a terminal coding assistant into composable Rust crates: it reads and writes code, runs commands, and lets you embed the agent loop in your own app.
Cross-platform SVN GUI client for Windows, macOS and Linux. Manages multiple working copies; block-level shelving, selective commits, file history, image previews and SVN property editing. Built with Tauri, Rust and Vue 3; MIT.
"CLI-Anything: Making ALL Software Agent-Native" -- CLI-Hub:
Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.
Video restoration tool
The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. The fastest local inference engine in the world.
An automated A-share stock screener that scans multiple technical patterns, runs automatically after market close, and pushes the results to Feishu.
LunaTranslator is a visual novel translator that helps users understand and read text in visual novels.
An Arknights assistant that automates daily tasks with one click and supports all clients.
No project description yet.
Dive into Deep Learning (d2l-zh): a runnable, discussion-friendly deep learning textbook for Chinese readers. Its Chinese and English editions are used for teaching at over 500 universities in more than 70 countries.
Clean, elegant and powerful admin dashboard template built on Vue3, Vite, TypeScript, Pinia, NaiveUI and UnoCSS, providing a front-end foundation for management panels.
A browser extension by xifangczy that sniffs and captures web page resources, helping users detect and download media or other files.
A curated collection of high-quality Chinese pretrained models, large language models, and multimodal models, serving as an index of resources for Chinese NLP research and development.
Cross-platform, modern stream downloader for MPD/M3U8/ISM. Available in English, Simplified Chinese, and Traditional Chinese.
A collection of 1000+ classic computer science books, personal notes and article resources covering C/C++, Java, Python, Go, data structures and algorithms, operating systems, backend architecture, computer systems, databases, networks, de…
BiliBiliToolPro automates daily tasks on Bilibili, with AI features and flexible deployment via Docker, Qinglong panel, or Kubernetes.
MeetPaw is a lightweight macOS menu-bar app that puts your meetings one click away. Spin up an instant Google Meet, Zoom, or Microsoft Teams link the moment you need it.
Inbox Zero Mail is an open-source email client for Gmail and Outlook. Fast, keyboard-first, and free to use, on web, Mac, Windows and iPhone, with all your accounts in one inbox.
Gravity is a notes app built on Andrej Karpathy's append-and-review note. Everything goes into one list, newest at the top. Old notes sink, and a swipe brings one back. You pay once, and your notes stay on your devices.
From the somehow triple-BAFTA‑winning creators of Vampire Survivors, Vampire Crawlers: The Turbo Wildcard from Vampire Survivors turns the snowballing thrill of Survivors into a hyper turn‑based, card‑driven BLOBBER with rogue-lite element…
Ask ChatGPT for a Tomo course on black holes and a game drops into the chat. Quick questions, hearts on the line. Any topic, even the chat you’re in. Pick your teacher, from The Professor to The Pirate. Add Tomo from Plugins in ChatGPT.
Paste one URL into Claude, ChatGPT, Cursor or Claude Code and your agent can plan, cost-preview and generate video, images, music and SFX with Seedance 2.5, Veo 3.1, Kling 3.0, Nano Banana Pro and 20+ more. OAuth sign-in, no API key.
Bee Frontier and Bee Eclipse are Amazon's new personal AI devices that help you remember what matters. Frontier is a wearable for your wrist or clothing, while Eclipse attaches magnetically to your phone.
Hold fn and talk. SpeechFast types clean text at your cursor, in any app. Everything runs on your Mac. The speech model is downloaded once; after that, no audio and no text ever leaves your machine.
Tower 18 for Mac is here! This update is all about improving the Tower experience in the terminal: the Tower Command Line Tool can now take you straight to any view in Tower (History, Blame, the Working Copy, Branches Review, and more) wit…
Meet 3AM, the AI on-call engineer for systems you can’t rewrite. It finds the root cause, rehearses the fix, and resolves the incident with one tap in Slack, all from inside your network.
Krea 3 is a fast AI image editing model built for creators and production teams. Edit images in under 8 seconds at native 2K resolution for just $0.06 per image.
Openbroca is a native Swift AI dictation app for Mac, with a ~6.5 MB download. Press a shortcut, speak naturally, and get clean text right where you're typing.
MyLens is AI for live 1-1 presentations at scale. You add your raw sources, say what matters, and invite your audience.
Latch locks distracting apps until you scan your key, and the key lives where you have to walk: an NFC sticker on the fridge, a printed QR code, or a number of steps. No account, no ads, no analytics. iPhone and Android; Pro is $9.99 once.
An open-source hook and local proxy for Claude Code, Codex, Copilot CLI and VS Code. In Claude Code it masks secrets and personal data in tool results before the model reads them, and shim watch shows what a session sent and cost.
FOSS, Basically it plugs into your existing coding agent workflow and every time you push to prod it'll throw up a questionnaire that checks if you understand how the code you're pushing works.
I made this ahead of the Ocarina of Time remake which comes out in 17 days. I remember the feeling of playing it as a kid but I hadn’t kept up with the story so I built a timeline to catch up before the Door of Time reopens.
Lately I've been testing frontier models by having them create self-contained web pages that display clocks--sort of my personal version of Simon Willison’s pelican-on-a-bicycle metric.
One gate for AI crawlers on ten stacks: WordPress, Drupal, Laravel, Next.js, Node, Cloudflare, nginx, Caddy, Traefik, Python. USDC on Base, no custody.
Anyone else get a lot of dumb scam calls? These days I mostly get them on my mobile. I used to just ignore them, but then I got fed up and built a bot that answers my calls and wastes their time. It runs on OpenAI Live 1.
I wanted a simple clean looking website for all my JSON related work that is why I built this site . Here I built a side-by-side diffing which you should try!! Well I would like you to test the site and give me some feedback on how it is!!
Eight forest creatures, synthesized live in plain Rust inside a CPAL audio callback, and wired into a Bevy game. Listen in your browser: the page runs the game's own Rust, compiled to WebAssembly.
The curation of most useful ChatGPT Plugins - Free and Open Source
No project description yet.
Zero-dependency lightweight API mocking & testing server for Python MVPs, frontend integration, and local dev. Powered by Python standard library (http.server, json, asyncio).
SFTP deploys to shared hosting that you or an AI agent can undo: backup before every overwrite, one-command restore, MCP server.
No project description yet.
No project description yet.
A visual editor for Julia: wire inputs, functions and plots together on a canvas, run the design with Julia, and see every value on its node. Exports to plain Julia scripts. Windows, Linux and macOS.
Free JSON API for Moroccan geography, population, postal codes, schools, health and more. No API key. Documentation in English, French and Arabic.
Martin Fighters is an online gaming website dedicated to Martin No Filter Fighters, a fast-paced browser fighting game inspired by the Martin universe. Visitors can play directly in their browser without downloading additional software.
Agent8 downgrades the official Jenkins agent.jar to Java 8 bytecode with JvmDowngrader and patches compatibility issues such as controller-sent classes, serialVersionUID changes, OpenJ9 and signed security providers, letting Java 8-only AI…
An online idle cultivation web game where progress advances automatically; a full playthrough takes about a week.
Static museum of movie quotes: a daily line with matching image (Beijing time) plus a searchable archive (category, original/translation, random). 26 seed entries; HTML/CSS/JS, no server Node or DB.
Swift-native Douyu live streaming client for iOS and macOS, rewritten from dart_simple_live with only the Douyu channel. Supports VOD playback and keeps danmaku with an AI timeline. Not publicly released.
FrpcDeck is a web-based management tool for frpc, the frp client, providing a polished, feature-complete interface for managing frpc configuration and operation.
Local Flask + SQLite flashcard tool for long-term vocabulary and knowledge learning: whole ordered lists are the scheduling unit (resequencing, no per-card due dates), with customizable HTML/CSS/JS card faces.
New-tab browser extension that organizes bookmarks into kanban boards with columns and cards; supports todos, notes, saving all tabs in a window, bookmark import, and a three-pane RSS reader with OPML import/export.
Local-first research agent harness unifying literature search, reading, SSH experiments, figures and writing: 24 skills (DSH/Claude Code compatible), 46 tools, 7 recipes, 8 local web pages, Python 3.12+FastAPI, MIT.
Windows desktop app that mirrors your PC screen and audio as an HTTP-TS stream and discovers DLNA players on the LAN for screen casting. Movies stream at ~3-4s latency; a screenshot-based slide mode runs at ~1s for PPT. Free, no ads.
Try another keyword or category.
16 repositories were already featured in the last 3 reports, so they are not repeated in today’s discoveries.
The job search that runs on your machine. AI job application framework built on Claude Code: evaluate postings, tailor CVs, write cover letters, prep interviews. Fork it and own it.
VoiceStudio is the open-source, fully-local ElevenLabs alternative — voice cloning, voice design, video dubbing, dictation, transcription & audiobook creation in 646 languages.
The open source coding agent.
DEV TRENDS / COMMUNITY
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