chatbot-builder
(5)
Voiceflow
The AI agent platform that helps CX teams own every customer interaction - improving resolution, controlling costs, and delivering better customer outcomes.
Manychat
Manychat is a no-code chat marketing platform that lets businesses and creators automate conversations across Instagram, WhatsApp, Facebook Messenger, TikTok, SMS and email. Built around a visual drag-and-drop Flow Builder, it turns DMs, comments and messages into automated lead capture, sales and support flows. Founded in 2015 and now used by roughly 1.5 million customers in 170+ countries, Manychat sends billions of messages a year and has driven more than $10 billion in user sales. In 2025 it raised $140M led by Summit Partners to push deeper into AI-driven customer engagement.
SleekFlow
SleekFlow is an omnichannel conversational AI platform that unifies WhatsApp, Instagram, Messenger, SMS, live chat, email and voice into a single AI-powered operating system for customer engagement. Founded in 2019 and headquartered in Singapore with roots in Hong Kong, it helps marketing, sales and support teams automate conversations, route leads and drive revenue through chat. The company is an official Meta WhatsApp Business Solution Provider, is trusted by more than 2,000 businesses across 70+ countries, and powers roughly a million conversations a day.
Wati
Wati is an AI-powered customer engagement platform built on the WhatsApp Business API. Founded in 2020, it gives small and medium businesses a low-code way to run marketing, sales, and support conversations at scale - a shared team inbox, no-code chatbot builder, broadcast campaigns, and AI support agents trained on a company's own documents. Wati serves more than 16,000 businesses across 100+ countries and is backed by Tiger Global, Sequoia, DST Global, and Shopify.
VectorShift
VectorShift is an AI platform that started as a no-code builder for generative AI workflows and has sharpened into an 'AI operating system for private market investors.' Founded in 2023 by Harvard classmates Alexander Leonardi and Albert Mao and backed by Y Combinator, it lets firms turn scattered deal documents, diligence notes, and institutional memory into working AI - data-room analysis, IC memos, portfolio monitoring, and LP reporting - through a drag-and-drop interface or a Python SDK, without hiring a machine-learning team.