MainGPT

CustomGPT.ai

Paid (free trial)

No-code platform for building custom AI agents trained on your business data (websites, docs, files, video) — deploy chatbots for customer support, sales, research, and knowledge with no hallucinations.

Fin AI

Paid

AI agent by Intercom that handles 24/7 customer support — trained on your knowledge base and help docs, resolves tickets autonomously, hands off to humans when needed, and works across web, email, WhatsApp, and Slack.

ActiveCampaign

Paid (free trial)

Autonomous marketing platform with AI agents — Active Intelligence engine, AI Campaign Builder, AI Brand Kit, Predictive Sending, AI-Suggested Segments, AI Actions Library, and custom AI agents you can create in natural language.

Anything

Build apps like you talk. Conversational AI app builder.

Clay

Paid (free trial)

AI sales prospecting platform — Claygent AI web scraper, AI formula generator, AI outreach personalization, intent signals from 3M+ companies, and waterfall enrichment across 150+ data providers.

DigitalOcean

Paid (free credits)

AI-native cloud platform — unified stack for agents, inference, and cloud infrastructure built for production AI products with GPU droplets, AI/ML notebooks, and serverless inference.

Firecrawl

Freemium

API to search, scrape, and crawl the web at scale for AI agents.

Build small AI apps by describing the workflow in plain language, then share them by link.