Optlo
Optlo is AI customer-support software for SaaS and online businesses handling support at volume. You install a chat widget, connect your own OpenAI, Anthropic or Google Gemini account, and train the agent on your website, documentation and help center. It holds multi-turn conversations in multiple languages, tells users when it does not know, and hands off to a human operator when needed. A visual workflow editor lets you build conversation flows where every step is inspectable and editable, and secure connectors to Stripe or any API let the agent read and write data mid-conversation.
Pricing is a platform subscription based on active conversations and seats, starting at $19/month with a 7-day free trial and no credit card required. AI usage is billed by your own provider rather than marked up per resolution, so support cost stays visible as volume grows. Best suited to teams comfortable holding their own AI provider account.
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Mixdesk
Mixdesk is an AI-powered customer service and marketing platform for global teams. It brings customer conversations from LiveChat, Email, WhatsApp, Facebook Messenger, Instagram, TikTok, LINE and Telegram into one workspace. Teams can use an AI Agent to answer common questions from their approved knowledge, build automation workflows, route conversations, collaborate in a shared inbox and hand conversations to human teammates when needed. Mixdesk is designed to help businesses manage multilingual customer conversations across channels without switching between separate tools.
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Sellio
Sellio is a cloud-based customer support platform for small teams managing conversations across websites and messaging channels. It combines an embeddable live-chat widget with a shared inbox for website chat, email, WhatsApp, Instagram, Facebook Messenger, Telegram, and SMS through Twilio; teams can also handle conversations from Slack and Discord. Staff can assign conversations, add internal notes, view customer histories, and coordinate replies. AI agents answer website-chat questions using a business's own content and can hand conversations to a person; AI replies are limited to website chat, while other channels are handled by people. Sellio also includes ticket management, routing rules, workflow automation, saved replies, customer profiles, feedback tools, and support analytics. It is designed for SaaS businesses, online shops, and other small teams that support customers. A free plan is available, while paid plans add seats, channels, automation, and AI allowances.
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Misterio
Misterio is a proactive AI agent for customer support and sales that answers customer questions around the clock across a website, Telegram, and compatible helpdesks. It can initiate a website conversation when a visitor hesitates, guide customers through multi-step scenarios, answer from a business’s knowledge base, and hand a conversation—with its context—to a team member when human help is needed. The agent can connect to business systems to look up live information such as order or account details and carry out actions such as updating a record or opening a ticket. Teams can configure scenarios without code, while Misterio’s team assists with initial setup and testing. The cloud service also supports user onboarding and sales journeys, provides analytics and funnels, and advertises automatic responses in 75 languages. Pricing is based on monthly dialog packages rather than per-seat fees.
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