Open-source meeting scheduling platform built with Elixir/Phoenix LiveView. Self-host or use the managed cloud at tymeslot.app.

Lean, self-hostable Calendly alternative — a single Go binary + SQLite, API-first and MCP-native. Apache-2.0.

⚡ Free & Open-Source Appointment Booking System. A self-hosted Calendly alternative built with Next.js 16, PostgreSQL, and Docker.

Modern polling and scheduling app for teams. Create schedule polls, surveys, and booking lists with email-based voting, real-time results, PDF export, and QR code sharing. Self-hosted with Docker, no cloud dependencies. Built with React, Express, PostgreSQL.

Self-hosted, multi-user Calendly alternative — scheduling you actually own. Quarkus + Postgres, per-user booking pages, Google Calendar/Meet sync, approval flows. Server-rendered, no SaaS, no per-seat pricing.

Scheduling infrastructure for absolutely everyone.

MeetLink - Open source Calendly alternative. Self-hosted scheduling platform with PostgreSQL, Docker deployment. Free booking system, calendar integration, and appointment scheduler.

Open comparison database for calendar scheduling software, appointment booking apps, Calendly alternatives, coaching scheduling software, small business booking tools, and GDPR-ready scheduling platforms.

Self-hosted meeting planner. Multi-calendar (Google, Open-Xchange, CalDAV, ICS) with cross-instance federation. Single Go binary, no database. AI-driven-dev experiment — every line built with an AI coding agent.

Open-source Calendly alternative built with Next.js 15, Prisma, and PostgreSQL. Features smart scheduling, Google Auth, and a unique neobrutalism UI.

Official Tymeslot booking & scheduling plugin for WordPress — inline, popup, floating button, or Gutenberg block. Works with Tymeslot Cloud and self-hosted instances.

A zero-overhead, open-source scheduling engine built for solopreneurs to self-host for free.