AI app starters · Rank #3

Fragments (E2B)

Open-source Next.js template for building apps that are fully generated by AI. By E2B.

Active2+ majors behindFree

Visit Fragments (E2B) ↗Source on GitHub ↗

Why this verdict

10 commits by 3 contributors in the last 90 days (2 in the last 30).
Vercel AI SDK 3 declared; latest is 7 (4 majors behind).
Next.js 14 declared; latest is 16 (2 majors behind).
React 18 declared; latest is 19 (1 major behind).
Tailwind CSS 3 declared; latest is 4 (1 major behind).
Zod 3 declared; latest is 4 (1 major behind).
On current major: Supabase JS.
Not counted in verdict: TypeScript 5 → 7.

Check before you commit

Two or more breaking releases behind on a core dependency.

Dependency freshness

Package	Declared	Latest	Status
Vercel AI SDK ai	3.3.8	7.0.116	4 majors behind
Next.js next	14.2.35	16.3.6	2 majors behind
TypeScript typescript	5.5.4	7.0.2	Behind, not counted
React react	18.3.1	19.3.0	1 major behind
Tailwind CSS tailwindcss	3.4.1	4.3.3	1 major behind
Zod zod	3.23.8	4.6.5	1 major behind
Supabase JS @supabase/supabase-js	2.50.0	2.117.2	Current

Declared = lowest version the kit's package.json allows. Latest = npm "latest" tag. TypeScript and the Stripe SDK are shown but not counted in the verdict.

What's in the stack

Framework: Next.js
Database / ORM: Supabase
UI: Tailwind CSS, Radix UI
AI: Vercel AI SDK
Monitoring: PostHog, Vercel Analytics

Detected from declared dependencies. A listed package means it's installed, not necessarily fully wired up.

What the README says you get

AI
Python interpreterPython interpreter
AI
Next.js stackNext.js
AI
Vue.js stackVue.js
AI
Streamlit stackStreamlit
AI
Gradio stackGradio
AI
OpenAI LLMOpenAI
AI
Anthropic LLMAnthropic
AI
Google AI LLMGoogle AI
AI
Mistral LLMMistral
AI
Fireworks LLMFireworks
AI
Together AI LLMTogether AI
UI
Next.js 14 App RouterBased on Next.js 14 (App Router, Server Actions), shadcn/ui, TailwindCSS, Vercel AI SDK.
UI
Streaming UIStreaming in the UI.
UI
npm package supportCan install and use any package from npm, pip.

Extracted from the kit's README by a local AI model (qwen3.5:4b) on Sep 26, 2026. Every item is checked against an exact README quote; 3 unverifiable items were discarded. A README claim is the maker's description, not something we tested.

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