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Konstantin's avatar

Konstantin

Solo founder based in Batumi, Georgia. Building Pronto —
a free open-source POS, CRM and appointment booking system
for salons, barbershops, auto repair shops and any service SMB.

Self-hosted with one Docker command. Zero commission.
Omnichannel notifications via Telegram, WhatsApp, Viber and Email.

Building in public. Happy to connect with other indie founders.


Articles

Technical deep-dives on building Pronto —
open-source POS & booking for service businesses.

  1. How I built an open-source POS with Telegram, WhatsApp & Viber — one Docker command installdev.to

Recent activity

Aug 3, 2026commented on a post
Two customers almost booked the same appointment slot in my SaaS. Here's the one-line bug that caused it
Aug 3, 2026commented on a post
Two customers almost booked the same appointment slot in my SaaS. Here's the one-line bug that caused it
Aug 3, 2026commented on a post
Two customers almost booked the same appointment slot in my SaaS. Here's the one-line bug that caused it
Aug 3, 2026commented on a post
Two customers almost booked the same appointment slot in my SaaS. Here's the one-line bug that caused it
Aug 2, 2026commented on a post
Two customers almost booked the same appointment slot in my SaaS. Here's the one-line bug that caused it

See all activity

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