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Serge Bulaev replaced Calendly

Now: Punctual, own scheduler on Cloudflare Workers, running 2 months

$720net saved per year, after running costs

Serge Bulaev cancelled the team's three-seat Calendly plan and built Punctual, an open-source scheduler on a single Cloudflare Worker, with Claude writing most of the code over ten days. The company now runs its meetings on it at no cost.

Receipt #02852026-08-23

Serge Bulaev

Old billCalendly, $60 a month (3 seats)
$60
NowOne Cloudflare Worker, $0 a month
$0
Net saved per month$60/mo

Thank you for not renewing

Source

bulaev.net

Numbers as reported. How this ledger works

Timeline

  1. Replaced2026-08-23

Stack

claudecloudflarecustom-buildvibe-codedtypescript

Embed

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Others who left Calendly

#CompanyNet saved /mo
1
HouseofMVPs client (professional services firm)Calendly replaced with One custom internal platform
$388/mofor 21 months
2
EurofiscalisCalendly replaced with In-house booking and email signature tool
$287/mofor 6 months
3
TJ SmithCalendly replaced with Own Calendly clone
$38/mofor 18 months
4
CallPilot VoiceCalendly replaced with Meetly (own scheduling app)
$16/mofor 3 months
5
Wunderland MediaCalendly replaced with Self-hosted Cal.com
$12/mofor 6 months

Everyone who replaced Calendly

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