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

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.

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

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

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.

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

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

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

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.

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