DigitalOcean

Firecrawl

Freemium

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

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.

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.

Deepgram

Paid (free credits)

Voice AI platform built for real-world conversations — fast, accurate speech-to-text (Nova models), text-to-speech (Aura), and voice agent APIs for developers.

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.

Hermes Agent

Open-source

Open-source autonomous AI agent by Nous Research with persistent cross-session memory, autonomous skill creation, multi-platform messaging (Telegram, Discord, Slack, WhatsApp, CLI), 40+ built-in tools, cron-scheduled automations, and self-hosted deployment.