By function · prototype build
AI tools for building a product.
Building is where most founder-time goes. The tools below are picked for that work specifically: AI-first IDEs (Cursor, Windsurf, Zed), autonomous coding agents (Cline, Aider, Devin), no-code prototyping (Bolt, Replit, Lovable, v0), and the agent infrastructure layer underneath (Pinecone, Together, Helicone). Picks favour composability and self-serve pricing. At this layer your tools should grow with the product, not force a migration.
35 tools matched. Curated and scored by Magpie's six-dimension rubric.
Cursor
AI-first code editor
$20/mo·MVP → Growth
Builder.io Visual Copilot
Design-to-code AI from Figma
$30/mo·MVP → Growth
GitHub Copilot
AI pair programmer in your IDE
$10/mo·MVP → Growth
Lovable
Build full apps from prompts
$20/mo·MVP → Seed
Claude Code
Terminal-based agentic coding by Anthropic
$20/mo·Seed → Growth
Crawl4AI
Open-source LLM-friendly web crawler
Free·Idea → Growth
OpenAI Codex
Pair with Codex in your terminal
$20/mo·Solopreneur → Growth
Warp
Agentic AI terminal for developers
$20/mo·Solopreneur → MVP
v0 by Vercel
AI UI generator producing React code
$20/mo·MVP → Growth
ElevenLabs
AI voice generation and conversational agents
$5/mo·MVP → Growth
Windsurf
Agentic AI IDE for full-flow coding
$15/mo·Seed → Growth
Continue
Open-source AI code assistant for IDEs
$10/mo·MVP → Growth
ScrapeGraphAI
LLM-powered scraping with natural language
$19/mo·MVP → Growth
Sourcegraph Cody
Code intelligence and AI for large codebases
$59/mo·Series A → Growth
Aider
AI pair programming in your terminal
Free·MVP → Growth
Augment Code
Context-aware AI agent for big codebases
$20/mo·Seed → Growth
Qodo
AI code review and test generation
$30/mo·MVP → Growth
Zed
AI-native code editor built in Rust
$20/mo·MVP → Growth
Cline
Open-source AI coding agent for VS Code
Free·MVP → Growth
OpenHands
Open-source autonomous software engineer
$20/mo·Seed → Growth
Vellum
Build agents from natural-language descriptions
$25/mo·Seed → Growth
Dari
Production-grade browser-use agents in five minutes
Free·Idea → MVP
Replit Agent
Chat-to-deployed-app builder in the browser
$25/mo·MVP → Seed
Tutorial Codebase Knowledge
I built an AI that turns GitHub codebases into easy tutorials
Free·Idea → MVP
imaginAIry
AI edits images based on text instructions
Free·Idea → MVP
Sudowrite
AI for fiction and long-form creative writing
$19/mo·Idea → MVP
Devin AI
Cognition's autonomous AI software engineer
$20/mo·Seed → Growth
MultiOn
AI agent that browses the web for you
$20/mo·MVP → Seed
PerfectBit
Verifier-grounded training data for frontier model teams
$20/mo·Idea → MVP
Magic Patterns
Generate UI patterns from prompts with design-system awareness
$25/mo·MVP → Seed
Tempo Labs
Production React with a visual + code hybrid editor
$30/mo·MVP → Series A
Bolt.new
Prompt-to-full-stack-app in the browser via WebContainers
$20/mo·Idea → MVP
Auxos
Simulated audiences for marketing, product and research teams
n/a·Idea → MVP
imgcmd
Make your AI assistant generate real images
Free·Solopreneur → MVP
Rork
Prompt-to-mobile-app builder producing real React Native apps
$20/mo·MVP → Seed
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