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Assets ​

Downloadable icons, illustrations, mockups, sounds and social or store-listing visuals for interfaces and product marketing.

Start here ​

  • 3dicons — 1,500+ CC0 3D icons with a Figma plugin and online editor.
  • Kitbitz — 2,000+ hand-drawn illustrations, free with no login required.
  • AppShot Gallery — real App Store/Play Store screenshots filtered by genre, style and tone.
  • Iconoir — 1,671 MIT SVG icons with packages for every major framework; see the Icons hub for more sets.
  • Craftwork — 40,000+ illustrations, mockups, fonts and templates; the Pro plan adds an MCP server so agents can pick real assets.

All sources ​

Showing 50 of 144 sites

Ship: reuse with the notice or credit the licence asks forConditional: read the terms before you reuse anythingLook only: no licence stated, so take ideas and nothing else

  • 3dicons1,500+ CC0 rendered 3D icons with an online editor and a Figma plugin.Verdict UsefulShip licence, public domainAgent channels noneReviewed
  • Abstract by WannathisA pack of sculptural abstract 3D objects in fuzzy, metallic, glass, and gradient finishes for expressive hero art and backgrounds.Verdict NicheConditional licence, proprietary paidAgent channels noneReviewed
  • Anim8Browser editor that traces video into editable animated SVG and Lottie; MCP and CLI on Pro.Verdict UsefulConditional licence, proprietary paidAgent channels mcp, cliReviewed
  • Animated Icons4,000+ recolourable Lottie/SVG/GIF icons; free tier plus one-time All-Access, no attribution needed.Verdict UsefulConditional licence, proprietary paidAgent channels noneReviewed
  • AppShot GalleryReal App Store and Play Store listing screenshots and icons, filterable by genre, style and tone.Verdict NicheLook only licence, not statedAgent channels noneReviewed
  • ASCII MagicBrowser image and video studio for ASCII, dithering, mosaics and visual effects, with an MCP server for agents.Verdict Very usefulConditional licence, proprietary paidAgent channels mcp, llms-txtReviewed
  • ASCII StudioTurns images, GIFs and video into ASCII animation and exports a self-contained React component.Verdict UsefulLook only licence, not statedAgent channels noneReviewed
  • AuraAI landing-page builder with templates, components, assets, a ~725-file DESIGN.md library and a remote MCP.Verdict UsefulConditional licence, proprietary paidAgent channels mcpReviewed
  • Backgrounds SupplyPaid lifetime library of gradient, AI and animated hero backgrounds, plus a free Gradient Lab shader tool.Verdict UsefulConditional licence, proprietary paidAgent channels llms-txtReviewed
  • Best Free FontsA searchable font catalog with live specimens, variable-font details and license information on each font page.Verdict UsefulLook only licence, not statedAgent channels noneReviewed
  • BlenderFree GPL 3D suite for making and baking web assets, with glTF export and an official MCP server.Verdict Very usefulConditional licence, open source copyleftAgent channels mcpReviewed
  • Bootstrap IconsBootstrap's official MIT set of 2,078 icons on a 16px grid, delivered as SVG, sprite, icon font, npm, Composer and Figma.Verdict Very usefulShip licence, open source permissiveAgent channels noneReviewed
  • BoxiconsRounded UI icons with a free core, paid Pro packs and weights, framework packages, a CLI and a SKILL.md for coding agents.Verdict UsefulConditional licence, mixedAgent channels cli, skillReviewed
  • Circle Loaders24 standalone animated SVG loading spinners.Verdict NicheLook only licence, not statedAgent channels noneReviewed
  • Craftwork40,000+ illustrations, mockups, fonts and templates; the Pro plan adds an OAuth MCP server and an agent setup wizard.Verdict Very usefulConditional licence, proprietary paidAgent channels mcp, api, skillReviewed
  • css.gg (stale)704 icons drawn in pure CSS, also as SVG and TSX; relicensed in 2024 to personal non-commercial use, so pin MIT v2.1.1.Verdict NicheStaleConditional licence, mixedAgent channels noneReviewed
  • Curations SupplyPanda Network's directory of about 290 curated galleries, type, colour, UX and component sites, each with a logo, screenshot and one-line summary.Verdict UsefulConditional licence, proprietary freeAgent channels noneReviewed
  • Death of TypographySingapore type collective whose home page is a cropped 380px marquee in its own face, plus a specimen tester with 27 sliders.Verdict NicheConditional licence, mixedAgent channels noneReviewed
  • Departure MonoFree OFL pixel monospace font by Helena Zhang with box drawing, Cyrillic and Greek.Verdict Very usefulShip licence, open source permissiveAgent channels noneReviewed
  • Design MinisDirectory of small design tools filtered by category and price, including effects, backgrounds, motion, type and image editors.Verdict UsefulConditional licence, proprietary freeAgent channels noneReviewed
  • DesignBookmarkDirectory of about 2,500 design, dev and AI tools in 59 categories, with a page per tool, clear sponsor labels and an llms.txt with counts.Verdict NicheLook only licence, not statedAgent channels llms-txtReviewed
  • DesigneerCurated directory of tools, components, galleries and assets for design engineers; a directory of directories.Verdict UsefulLook only licence, not statedAgent channels llms-txtReviewed
  • DesignEngAbout 200 design-engineering links by category (component kits, icons, tools, agent skills, inspiration, people) with pricing filters and saves.Verdict NicheLook only licence, not statedAgent channels noneReviewed
  • Devault ASCIIBrowser generator that redraws an image or video as ASCII, braille, halftone dots or dither, with CRT-style finishing controls and a hold-to-compare toggle.Verdict UsefulConditional licence, proprietary freeAgent channels noneReviewed
  • DeviconMIT set of language and dev-tool logos as SVG and a font, made for tech-stack rows.Verdict UsefulShip licence, open source permissiveAgent channels noneReviewed
  • Dither GardenBrowser dithering studio with classic diffusion, ordered and noise-based patterns, plus text export.Verdict UsefulLook only licence, not statedAgent channels noneReviewed
  • Dither Me ThisBrowser image dithering tool with retro palette presets and controls for diffusion, ordered and random patterns.Verdict UsefulLook only licence, not statedAgent channels noneReviewed
  • DitherlandBrowser editor for dithering images and video, plus an animated generator with pixel, palette and tone-curve controls.Verdict UsefulLook only licence, not statedAgent channels noneReviewed
  • DittherA browser editor and effect gallery for pixel, dither, ASCII and print-like treatments across still images and motion.Verdict UsefulLook only licence, not statedAgent channels noneReviewed
  • DotForgeBrowser tool with 51 animated effects, dither patterns and post-FX; exports PNG, video or an HTML embed.Verdict UsefulLook only licence, not statedAgent channels noneReviewed
  • EfectoBrowser canvas your agent drives through MCP tools, plus an FX engine for dither, ASCII and halftone posters.Verdict UsefulConditional licence, mixedAgent channels mcp, llms-txt, api, skillReviewed
  • Eva Icons (stale)Akveo's MIT pack of 490 outline and fill icons with a data-attribute replace script and four hover animations; unmaintained since 2020.Verdict NicheStaleShip licence, open source permissiveAgent channels noneReviewed
  • everywhere.toolsSmall hand-picked set of 20 experimental type tools, open-source foundries, generative image tools and portfolio builders for designers.Verdict NicheLook only licence, not statedAgent channels noneReviewed
  • Feather (stale)The original 287-icon minimal stroke set that Lucide forked. MIT, still usable, but no new icons since 2022.Verdict UsefulStaleShip licence, open source permissiveAgent channels noneReviewed
  • FffuelAbout 65 free SVG generators for grainy gradients, blobs, noise and patterns, plus simple palette tools.Verdict UsefulConditional licence, proprietary freeAgent channels noneReviewed
  • FlowbaseSubscription library of 3,500+ Webflow, Figma and Framer sections, wireframes, icons and illustrations; use tied to the plan.Verdict NicheConditional licence, proprietary paidAgent channels noneReviewed
  • FontFridgeGoogle Fonts browser that filters by what type does — OpenType features, variable axes, writing systems, colour — with JSON catalogs for agents.Verdict Very usefulLook only licence, not statedAgent channels llms-txt, apiReviewed
  • Fontshare100 free families from Indian Type Foundry with a CSS/JSON API; 64 are proprietary with strict no-modify terms.Verdict Very usefulConditional licence, mixedAgent channels apiReviewed
  • Fontsource2,100 open fonts packaged for self-hosting through npm, plus llms.txt, a read-only API and a versioned CDN.Verdict Very usefulShip licence, open source permissiveAgent channels llms-txt, api, promptsReviewed
  • Free Icon ResourcesA categorized index of icon libraries, search tools, generators and learning references for choosing a specific icon source.Verdict UsefulShip licence, public domainAgent channels noneReviewed
  • Freesound738,000+ Creative Commons sounds with a v2 API, per-file licences and Gen AI opt-out preferences; downloads need an account.Verdict UsefulConditional licence, mixedAgent channels apiReviewed
  • Fusion Pixel FontOpen pixel family in 8, 10 and 12px with pan-Latin and CJK coverage, built from six sources and shipped in eleven file formats.Verdict UsefulShip licence, open source permissiveAgent channels noneReviewed
  • GalmuriPixel font family in six cuts covering all 11,172 Hangul syllables, installed via npm or one CSS link and licensed under the OFL.Verdict UsefulShip licence, open source permissiveAgent channels noneReviewed
  • gltf.reportDrop in a GLB to inspect, validate, script and Draco/Meshopt-compress it locally, built on glTF Transform.Verdict UsefulConditional licence, mixedAgent channels cliReviewed
  • GOATED UIFree gallery of live websites and Open Graph cards, with category pages and detail records linking to original sites.Verdict UsefulLook only licence, not statedAgent channels noneReviewed
  • GrainientA curated library of smooth, grainy and animated gradients, plus a live shader editor for custom backgrounds.Verdict UsefulConditional licence, mixedAgent channels noneReviewed
  • GreatStuffFramer-built archive of about 600 links for designers (tools, assets, galleries, AI, Mac apps), filterable by type, with a shuffle button.Verdict NicheLook only licence, not statedAgent channels noneReviewed
  • Halftone MakerBrowser studio for vector halftone and stipple images, with shape, grid, colour and sampling controls.Verdict UsefulConditional licence, proprietary paidAgent channels noneReviewed
  • Heroicons (stale)Tailwind Labs' MIT set of 316 icons, each drawn in outline, solid, mini and micro sizes, with React and Vue packages.Verdict UsefulStaleShip licence, open source permissiveAgent channels noneReviewed
  • HK Grotesk WideA wide display family presented with bold green poster layouts and an editable preview across every weight.Verdict NicheConditional licence, mixedAgent channels noneReviewed

Patterns worth reusing ​

  • Ship assets under a clear no-attribution licence (CC0) to remove friction for anyone adopting them.
  • Separate an icon gallery from a full illustration or screenshot set so each asset type can be searched on its own.
  • Provide an online editor to recolor or remix assets before download instead of shipping only static files.
  • Filter store-screenshot references by visual style and tone of voice, not just app category, to match both look and copy.
  • Name sounds after what they mean, such as success or blocked, so the style can be swapped without touching product code (UI SFX).
  • Publish agent discovery files (a SKILL.md, a .well-known API catalogue, an MCP server card) so agents find assets without scraping, and have them download only after the user has chosen (Craftwork).
  • Give each social surface (posts, profile headers, OG images) its own wall, since each has different constraints (posts.design, Recent).
  • Generate decorative backgrounds (grain, blobs, mesh gradients) as SVG and commit the files, instead of licensing stock art; a little grain keeps large colour fields from looking flat (Fffuel).
  • Make licence a search filter and put it on every asset's metadata, not only in a README (icons0, soundcn).
  • Generate each page's OG card from its own title and metadata, and check the preview per platform, since each one crops and truncates differently (ogimagecn).
  • Style README badges and headers with the product's own tokens, and export light and dark <picture> pairs (shieldcn).
  • Let the foundry's own faces set the sample text, so the catalogue page doubles as the specimen (Death of Typography).
  • Put size, line-height and letter-spacing controls on every sample line, three per line here, instead of one global preview (Death of Typography).
  • Sell single weights beside the bundle so a small project can buy one, and offer pay-what-you-want including zero for students (Death of Typography).
  • State an open-source licence as a short list of what you may do, then name the one condition that matters, such as reserved font names (Death of Typography).
  • Give a pre-launch asset shop a full-screen hero with one field and finished legal pages, so the storefront reads as real before it has inventory (Rueya).

Pitfalls ​

  • Distinctive styles (3D, hand-drawn) are easy to overuse — confirm the style fits the product's identity before committing to it broadly.
  • Several asset libraries leave licence terms unclear or unstated — verify before any commercial use.
  • Icons optimized for medium sizes can lose clarity when rendered very small; check at your actual target size.
  • Proprietary marketplace licences add limits of their own: Craftwork's standard licence covers teams of up to 20 and bans use in templates you sell.
  • Sound should back up visual and ARIA feedback, never replace it; add a mute toggle and unlock audio only after a real user gesture (UI SFX).
  • Social and OG references show other brands' marketing material; borrow the layout and format, never the assets.
  • Generated images can carry limits of their own: Fffuel's can't be resold or redistributed, so they can't go into a template or asset kit, and its filter-heavy SVGs may need converting to JPEG, WebP or AVIF for speed.
  • Mixed-licence catalogues need filtering: soundcn's 110 Warcraft clips are non-commercial only, and some icons0 collections use attribution or copyleft licences.
  • Satori renders only part of CSS, so an OG card that looks right in the browser can shift in the real PNG (ogimagecn).
  • Hosted asset services can rate-limit or go down; self-host anything critical (shieldcn), and remember Efecto's canvas work lives on its servers, not in your repo.
  • A specimen page depends on the foundry's webfonts. When they fail to load, sample lines fall back to a generic sans and misrepresent the face (Death of Typography).
  • Pricing assets per weight multiplies the cost of a family; a bundle is what makes a whole family affordable (Death of Typography).
  • An asset shop that redirects every route to a waitlist leaves crawlers with one page, and advertising its admin routes in a public sitemap exposes the workspace (Rueya).