Cogo Site is an AI app builder. AI-assisted website builder for small businesses and teams: start from editable industry templates, customize pages with a visual drag-and-drop editor, and publish multilingual websites. Free plan available, no credit card required. If it isn't the right fit, here are the other AI app builders we track, with a dedicated profile and sourced pricing. Last checked 2026-11-04.
Chat-based builder for real websites and web apps, evolved from the open-source gpt-engineer project and the gptengineer.app platform. source
Browser-based AI builder for websites, web apps, mobile apps and prototypes by StackBlitz, running on WebContainers with no local setup. An MIT-licensed open-source version of the codebase is on GitHub. source
Vercel's AI builder that generates UIs and apps from prompts, with visual Design Mode, GitHub sync and deploy to Vercel. source
Online development platform with Replit Agent, which builds apps from natural-language descriptions; Agent 4 adds Design Canvas, shared collaboration and parallel tasks. source
AI app builder: describe what you want in chat and it generates a full app with authentication, database and analytics built in. source
Other AI app builders we track: Lovable, Bolt.new, v0, Replit, Base44.
These alternatives list a free tier or free plan: Lovable, Bolt.new, v0, Replit, Base44. Limits vary; check each official pricing page.
Open-source options in this category: Bolt.new.
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