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A phone app that scans a Pokémon card and instantly shows its current market price, price history, and trend, with batch scanning for whole binders.
Free
What to know▼
How it works
Scans a card and pulls live TCGplayer market price, a 90-day price history chart, and 7/30-day trends; batch mode scans an entire binder into a saved collection.
Pricing
Free on iOS and Android.
Best for
Pokémon card collectors checking or tracking collection value.
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Converts an uploaded 3D model into a buildable brick design entirely in the browser, with an exportable parts list, without the file leaving your device.
FreeNo sign-upData stays with you
What to know▼
How it works
Upload an STL/OBJ/GLB/PLY file, compare original and brick versions in 3D, tune size/colors/brick inventory, then export a parts list and layer-by-layer build guide.
What's different
Processing happens locally; the model never leaves your device.
Pricing
Free.
Best for
People designing physical brick builds from a 3D model who want privacy and no signup.
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A mobile app for cataloguing an art collection where an AI companion identifies the artist, medium and period from a photo and timestamps provenance; free tier, paid from $9.99/mo.
Watch out · AI-identified artist, medium, and period and the resulting certificates are not independently verified appraisals.
Free
What to know▼
How it works
Photograph an artwork and the built-in AI companion identifies the artist, medium, and period, then seals it with a tamper-evident, Bitcoin-anchorable certificate; a First Witness feature lets artists record a work's story at the moment of creation.
Pricing
Free tier, no card required; paid plans from $9.99/month.
Best for
Art collectors cataloguing a collection and artists wanting to record provenance at creation.
Watch out
AI-identified artist, medium, and period and the resulting certificates are not independently verified appraisals.
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Benchmark database showing which open-weight AI models run on which consumer GPUs, with install recipes and a GPU advisor.
FreeNo sign-up
What to know▼
How it works
Provides honest benchmarks for 84 open-weight AI models across 27 consumer GPUs from RTX 3060 to Apple Silicon, each pair rated as runs, tight fit, or won't fit with real speed and VRAM numbers, plus 800+ step-by-step install recipes for llama.cpp, Ollama, ComfyUI, and MLX, and a GPU Advisor.
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A browser-based wiring planner for hand-soldered perfboards that checks your layout against a rule checker implemented separately in JS and Python and cross-verified in CI, catching shorts, backwards parts, and missing connections before soldering.
FreeNothing to install
What to know▼
How it works
Drag parts onto a canvas to match your real perfboard while a dual-implemented, CI-verified rule checker flags shorts, backwards parts, and missing connections.
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A free random-object generator with no signup, useful for brainstorming, games, or classroom prompts — a general idea tool, not built specifically for teachers.
FreeNo sign-up
What to know▼
How it works
A random object generator (more tools planned) that runs with no signup, usable for drawing ideas, creative prompts, classroom activities or brainstorming.
Pricing
Completely free.
Best for
People needing quick random prompts for games, brainstorming or classroom activities.
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A free, open-source desktop app for AI character chat, roleplay and long-form writing, where your data stays in a local database even with a cloud AI backend.
FreeWorks offlineOpen source
What to know▼
How it works
A desktop AI workspace for character chat, multi-character roleplay, and long-form writing with RAG, LoreBooks, and MCP tools and plugins; you bring your own backend, such as OpenAI-compatible APIs, OpenRouter, LM Studio, Ollama, or KoboldCpp, while chats, characters, projects, and knowledge are stored in a local SQLite database.
What's different
Keeps your data in a local database even when you connect a cloud AI backend, and is free and open source.
Pricing
Free and open source.
Best for
Writers and roleplayers who want to choose their own AI backend while keeping their data local. Native builds are available for macOS, Windows, and Linux.
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A set of open-source tools that simplify microcontroller prototyping for interactive projects — for hobbyist makers and hardware tinkerers, free forever.
FreeOpen source
What to know▼
How it works
A set of tools that simplify getting started with microcontroller prototyping for interactive projects.
Pricing
Free forever, fully open-source.
Best for
Hobbyist makers and hardware tinkerers prototyping interactive electronics.
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A generator for elf names with lore, meanings, and AI-made character portraits.
Free
What to know▼
How it works
Generates elven names with actual meanings and pronunciations across 11 subraces, with curated lists by gender/category, lore from D&D, LOTR, and Elder Scrolls, and AI-generated character portraits.
What's different
Names come with real meanings and lore instead of random syllables.
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Converts photos and illustrations into pixel art entirely in the browser, with retro console presets, palette import, CRT effects, and batch export, without uploading files to a server.
FreeNo sign-upData stays with you
What to know▼
How it works
Runs locally in the browser: choose a pixel size and preset (NES, Game Boy, PICO-8...), import Lospec palettes, add scanline/CRT effects, then export a PNG; supports batch conversion.
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Identifies rocks, crystals, minerals, and fossils from a single photo, with a confidence score and at-home tests to confirm the result.
FreeNo sign-up
What to know▼
How it works
Analyzes an uploaded photo and returns likely matches with a confidence score, alternative candidates, and physical tests (streak, hardness, magnet, acid fizz) to verify.
Pricing
Three free identifications, then a paid Pro tier for unlimited use.
Best for
Anyone who picks up an unknown rock, mineral, or fossil and wants an instant guess plus a way to double-check it.
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An iOS app that identifies collectibles like watches, handbags, wine, and cars from a photo and estimates their market value, tracking your collection as a portfolio.
Free
What to know▼
How it works
Snap a photo to identify an item and get a market estimate; shows a portfolio dashboard with net worth and growth trends, plus optional professional authentication via LegitApp.
Pricing
Free to try.
Best for
Collectors who want to track what their collection is worth.
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Gamified beer-logging app: scan or search a beer, rate it, earn XP and complete quests while it maps your flavor preferences over time. Free on iOS with a one-time unlock for Pro.
FreePay onceNo subscription
What to know▼
How it works
You scan or search a beer to log and rate it, earning XP and completing daily quests; underneath, it maps your palate across six flavor axes and tracks how your taste is changing over time.
What's different
No social feed and no subscription — Pro is a one-time unlock rather than recurring.
Pricing
Free on iOS, with a one-time payment to unlock Pro.
Best for
Beer drinkers who want to gamify tracking what they drink and understand their own taste preferences.
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An open-source tool for building choose-your-own-adventure games with a visual node editor, playable in browser or loaded onto a 3D-printed Raspberry Pi console. You can also generate one via ChatGPT.
FreeOpen source
What to know▼
How it works
A free, MIT-licensed open-source platform for building choose-your-own-adventure games with a visual node graph editor, playable instantly in the browser or exportable via a ChatGPT prompt template, and loadable onto a 3D-printed Raspberry Pi cartridge console.
Pricing
Free and open source under the MIT license.
Best for
Developers and hobbyists who want to build and share interactive fiction games, including onto physical Raspberry Pi hardware.
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An anime and manga tracker that rates story, visuals and feels separately and gives a yearly recap card — free but ad-supported, for people switching trackers.
Free
What to know▼
How it works
Tracks anime and manga, rating Story, Visuals and Feels separately instead of a single score, with a weekly airing schedule, episode tracking, light novel support, achievements, and a shareable yearly recap card.
What's different
Splits ratings into multiple dimensions instead of one overall score, unlike other trackers.
Pricing
Free, ad-supported.
Best for
Anime and manga fans switching from a bloated tracker who want more nuanced ratings.
