Self-hosted scheduling and booking tools — What AI Actually Said

Best in category · Aug 19, 2026

Here's the current landscape for self-hosted scheduling as of mid-2026, with important context most guides haven't caught up on yet. ## Important recent development Cal.com — long the default open source Calendly alternative — moved its production codebase closed-source in April 2026. The genuinely open-source, self-hostable path now runs through Cal.diy, the MIT-licensed community fork, alongsid

Best in category · Aug 19, 2026

Here's a solid rundown of open-source appointment/scheduling tools you can run on your own infrastructure, based on current comparisons: ## Top picks by use case **1. Cal.com / Cal.diy — best all-around, but license caveat** Cal.com is the most prominent open-source scheduling platform, having started as an open-source alternative to Calendly and grown into a full scheduling infrastructure produ

recommendation · Aug 19, 2026

Here are solid self-hosted options for a healthcare clinic that needs to keep patient data on-premise, ranging from full practice-management suites to lightweight schedulers: ## Full Practice Management / EHR Suites (best if you need more than just scheduling) **OpenEMR** – The most established option for clinics. OpenEMR is an open-source, ONC-certified suite of tools that helps independent med

recommendation · Aug 19, 2026

Based on current comparisons, here's how the top open-source options stack up for a multi-staff service business that also needs to manage resources (rooms, equipment, etc.): ## Top recommendation: **Cal.com** If you want a modern, actively maintained, truly open-source platform you can self-host and inspect, Cal.com is the most modern and well-maintained option among open source scheduling tools

Alternatives · Aug 19, 2026

Here's a breakdown of solid open-source, self-hostable alternatives to the popular hosted booking-link tools, organized by the type of scheduling problem they solve: ## 1:1 & Team Booking Links (Calendly alternative) **Cal.com** is the clear leader here — it's essentially the open-source Calendly. Cal.com (42K+ GitHub stars, MIT-licensed public repo as of May 2026) is the most popular open sourc

Comparison · Aug 19, 2026

## Self-Hosted Open-Source vs. Hosted SaaS Scheduling Tools ### The landscape today The open-source scheduling space is dominated by one project family, and it just went through a major shake-up. In April 2026, Cal.com moved its production codebase from a public repository to a private one, citing AI-driven security risk, so current Cal.com is no longer open source. The open-source torch passed

Problem solving · Aug 19, 2026

Self-hosting a scheduling tool that talks to Google/Outlook calendars is very doable in 2026. Here's the landscape and a practical setup path. ## Best option: Cal.com Cal.com is the open-source Calendly replacement, covering individual booking pages, team round-robin, collective scheduling, routing forms, automated workflows, and integrations with Google Calendar, Outlook, Zoom, Google Meet, Str