Estonian SaaS studio

Small tools, built well.

Mango Group makes focused SaaS products that solve one problem cleanly — no bloat, no clutter. Meet the first two.

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WelcoChat

AI chat for your website

WelcoChat is an AI chatbot that learns your website's content and answers customer questions around the clock — no support team required. When it can't help, it hands the conversation off to a real person.

Learns automatically from your site and documents
Captures leads and hands off to a human when needed
WhatsApp integration, multilingual, with analytics built in

Visit welcochat.com →

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Kavolo

Group scheduling, no sign-up

Kavolo helps a group find a time that works for everyone — no accounts, just a link. Create a poll, share it, and watch a live heatmap fill in as people mark their availability.

No sign-up for organizers or participants
Heatmap results shown in everyone's own timezone
Lock in a final time and share a calendar invite instantly

Visit kavolo.app →