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prototyping github topics github skip to content navigation menu toggle navigation sign in appearance settings platform ai code creation github copilot write better code with ai github copilot app direct agents from issue to merge mcp registry new integrate external tools developer workflows actions automate any workflow codespaces instant dev environments issues plan and track work code review manage code changes application security github advanced security find and fix vulnerabilities code security secure your code as you build secret protection stop leaks before they start explore why github documentation blog changelog marketplace view all features solutions by company size enterprises small and medium teams startups nonprofits by use case app modernization devsecops devops ci cd view all use cases by industry healthcare financial services manufacturing government view all industries view all solutions resources explore by topic ai software development devops security view all 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to see all available qualifiers see our documentation cancel create saved search sign in sign up appearance settings resetting focus you signed in with another tab or window reload to refresh your session you signed out in another tab or window reload to refresh your session you switched accounts on another tab or window reload to refresh your session dismiss alert message explore topics trending collections events github sponsors prototyping star here are 1 130 public repositories matching this topic language all filter by language all 1 130 javascript 186 python 110 typescript 102 c 90 html 82 c 40 css 26 php 22 swift 22 c 18 sort most stars sort options most stars fewest stars most forks fewest forks recently updated least recently updated nexu io open design star 77 5k code issues pull requests discussions the open source claude design alternative ️ local first desktop app ️ your coding agent becomes the design engine prototypes landing pages dashboards slides images video real files html pdf pptx mp4 export claude code codex cursor gemini opencode qwen 20 clis via byok desktop app design systems prototyping design tools no code ai agents ui generator local first byok ai design generative ai coding agents agent skills vibe coding figma alternative hermes agent claude design claude code for design codex design cursor design updated jul 12 2026 typescript penpot penpot star 55 5k code issues pull requests discussions penpot the open source design platform for product teams that need scalable collaboration design clojure ui clojurescript prototyping ux experience ux design updated jul 11 2026 clojure rough stuff wired elements star 10 8k code issues pull requests collection of custom elements that appear hand drawn great for wireframes or a fun look webcomponents web components prototyping wireframe wireframes lit html lit element updated oct 7 2023 typescript evolus pencil star 9 8k code issues pull requests the pencil project s unique mission is to build a free and opensource tool for making diagrams and gui prototyping that everyone can use electron nodejs javascript drawing ui design pencil prototyping sketching wireframe mockup updated jun 2 2026 javascript ibanimatable ibanimatable star 8 6k code issues pull requests design and prototype customized ui interaction navigation transition and animation for app store ready apps in interface builder with ibanimatable swift ios protocol oriented animation uikit transition animation interface builder prototyping ui components updated feb 21 2023 swift mockoon mockoon sponsor star 8 3k code issues pull requests discussions mockoon is the easiest and quickest way to run mock apis locally no remote deployment no account required open source electron mock api application rest server rest api mock server swagger desktop openapi mocking prototyping mocking utility mock data openapi3 mock api mocking server updated jul 10 2026 typescript react proto react proto star 3 5k code issues pull requests react application prototyping tool for developers and designers ️ electron react redux javascript konva architecture redux thunk desktop application prototyping developer tools proto design tools front end development konvajs react konva updated dec 8 2022 javascript jimliu baoyu design star 2 5k code issues pull requests run claude design locally as an agent skill cursor claude code more produce polished ui mockups prototypes decks wireframes as self contained html without claude ai design best with opus 4 8 design ui design prototyping cursor claude agent skills claude code claude design updated jul 9 2026 javascript alxpez vuegg star 2 3k code issues pull requests discussions dnd visual editor mockups and code in one go gui resize generator vue drag drop rapid prototyping mdc vuegg updated mar 1 2023 javascript danijar handout star 2k code issues pull requests turn python scripts into handouts with markdown and figures python productivity data science research notebook prototyping updated aug 28 2021 python prikhi pencil star 1 9k code issues pull requests deprecated multiplatform gui prototyping wireframing firefox extension pencil wireframing prototyping xulrunner updated sep 19 2018 javascript johnsundell testdrive star 1 6k code issues pull requests quickly try out any swift pod or framework in a playground swift playground xcode cocoapods prototyping updated nov 23 2020 swift andymeneely squib sponsor star 953 code issues pull requests discussions a ruby dsl for prototyping card games ruby game svg board game dsl sublime text card prototyping tabletop boardgamegeek pngs squib updated apr 7 2026 ruby raathigesh atmo star 813 code issues pull requests ️ mock data for your prototypes and demos remote deployments to zeit now mock server zeit prototyping mock services atmo updated may 31 2021 typescript jxnblk ok mdx sponsor star 771 code issues pull requests browser based mdx editor react markdown cli development jsx prototyping mdx updated sep 1 2018 javascript jmartin82 mmock star 694 code issues pull requests mmock is an http mocking application for testing and fast prototyping mock golang http stubbing prototyping httpmock updated apr 10 2026 typescript jhuisi charm star 644 code issues pull requests charm a framework for rapidly prototyping cryptosystems python cryptography prototyping updated apr 19 2026 python baianat vuse star 604 code issues pull requests build web pages with vuse the next gen interactive page builder powered with vue js vuejs vue es6 prototyping page builder updated dec 8 2022 javascript vchelaru gum star 582 code issues pull requests discussions flexible layout tool for creating ui on any platform ui xna layout monogame prototyping skiasharp game ui silknet fna xna updated jul 12 2026 c ishubin schemio star 561 code issues pull requests web based diagramming app that lets you build interactive diagrams and prototypes prototyping diagramming updated jul 12 2026 javascript load more improve this page add a 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