Free / Open-sourcePowerful open-source workflow automation with visual node building, offering robust self-hosting options but requiring technical setup.
#1Manuel records 1,270 monthly visits with +32.2% month-over-month growth and Contact for Pricing pricing. Zapier records 5,065,248 monthly visits with +0.4% growth and Freemium, Free Trial, Paid pricing.

AI knowledge base that gives installers and service desks instant answers, with sources
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | manuel.chat | zapier.com |
| Pricing Model | Contact for Pricing | Freemium, Free Trial, Paid |
| Monthly Visits | 1.27K (1,270) | 5.07M (5,065,248) |
| MoM Traffic Delta |
| +309 (+32.2%) |
| +22.46K (+0.4%) |
| Primary Market & Share | 🇳🇱 Netherlands (100%) | 🇺🇸 United States (39.5%) |
|---|
| Direct Visits / mo | 549 | 2.23M |
|---|
| User Rating | 4.3 | 4.7 |
|---|
| Supported Platforms | Website | Website |
|---|

AI knowledge base that gives installers and service desks instant answers, with sources
Answers drawn from roughly 25,000 manuals spanning more than 85 brands, covering boilers, heat pumps, air conditioning, ventilation, charging points, solar panels and inverters.
Look up error codes, check parameter and settings values, and identify the exact part number needed, instead of digging through portal PDFs.
Every response carries the original technical source and page reference, so technicians can verify the advice before acting on it.
Manuel indexes past work orders, internal documents, technician tips and previously solved faults alongside manufacturer data.

Automate work across thousands of apps — no code required
Connect thousands of apps with a visual editor, using both point-and-click logic and natural language to define each step.
Connect AI tools such as Claude, ChatGPT and Cursor to your apps so they can read data and take real action.
Create AI assistants that answer questions and complete multi-step tasks across your connected systems.
Store structured data your workflows can read and update, keeping records in sync across tools.
Free / Open-sourcePowerful open-source workflow automation with visual node building, offering robust self-hosting options but requiring technical setup.
#1
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Free / Open-sourcePowerful open-source workflow automation with visual node building, offering robust self-hosting options but requiring technical setup.
Free / Open-sourceAI-first customer service platform with a native AI agent for every conversation
SpecialistVisual builder tailored specifically for custom AI agents, but less versatile for standard non-AI data synchronization tasks.
Free / Open-sourceAll-in-one customer messaging for live chat, chatbots, and self-service
Free / Open-sourceAI-powered knowledge base that turns documents into fast answers
Free / Open-sourceAutonomous AI agents for customer service, content and operations
Free / Open-sourceCustom AI agents trained on your documentation and knowledge base
Advanced no-code AI agent platform for complex web scraping and workflows, but less suited for basic app-to-app integrations.
Secure enterprise automation platform built for complex workflows, but lacks Zapier's vast library of consumer app integrations.
Free / Open-sourceOpen-source AI automation platform with intuitive visual flow builders, but supports fewer prebuilt third-party app connectors.