Alternatives to Stammer

White-label AI agent platform for agencies — build, brand and bill AI chatbots under your own domain.

EmbedAI's reseller platform for selling white-label ChatGPT-style chatbots under your own brand, domain, and pricing.

Voiceflow is a visual platform for building AI chat and voice agents that designers and engineers ship together.

Ada builds AI customer service agents that resolve support tickets across chat, email, voice, and social.

Build voice and chat agents from a prompt in about five minutes, grounded in your own knowledge base.

Sierra builds AI customer agents from your SOPs and transcripts, then runs them across chat, voice, email, SMS and WhatsApp.

No-code AI customer support agents for chat, email, voice, and Slack, trained on your own content.

Ethora is a chat and AI SDK for adding real-time messaging, voice rooms and RAG agents to web, iOS and Android apps.

Kipps.AI builds no-code voice, chat, and WhatsApp AI agents that all report into one multi-channel inbox.

Wonderchat builds AI customer service agents that cite your own docs and bill flat monthly rates.

Synthflow AI runs enterprise voice AI agents on its own telephony network for automated phone calls at scale.

Agentic banking AI for banks and credit unions — voice, digital, and search agents on one governed knowledge layer

Kore.ai builds enterprise AI agents with runtime governance, voice CX, and employee-facing agent workflows

AI sales agents that call, qualify, and book leads in seconds by phone, chat and website video.

Coze lets you build no-code AI agents and publish them as web apps, APIs, and chat bots.

Enterprise voice AI agents with in-house telephony, contracts starting at $30,000 a year

YourGPT 2.0 is a no-code AI agent builder for support, sales, and phone automation with chat, voice, and image input.

AgentZee is a no-code WhatsApp sales platform with AI chatbots, outbound voice calling, and broadcast campaigns from ₹1,000/month.

HIPAA SmartChat Assistant builds no-code healthcare AI agents for patient intake, triage, scheduling, and follow-up under one BAA.

Ziddny builds conversational AI avatars and voice agents for your website from $5/mo.

ChatBotKit is a managed platform for building AI agents that act on your data and tools across every channel.

No-code AI agents for customer chat plus a memory-backed personal assistant that runs recurring tasks.

Official WhatsApp Business API platform with AI chatbots, mass campaigns, and native HubSpot/Salesforce sync for LATAM-focused teams.

No-code AI agents that answer from your own content, with a citation on every reply.

Freshchat delivers AI live chat and Freddy AI chatbots across web, mobile, and messaging channels.

No-code AI agent and chatbot builder for WhatsApp and your website

AgentKit builds no-code AI agents trained on your website, docs and Q&A — answering on your site, Instagram, WhatsApp and email.

No-code AI chatbot builder that trains on your Notion, Zendesk, or Google Drive content to automate support and capture leads

Water builds no-code AI chat assistants grounded in your own documents, deployed to a shareable link in one click.

No-code AI agent builder for packaging client-ready chatbots and forms into branded, monetized Studios.