Open source scheduling links: invitees pick a slot, everyone gets a calendar invite — without a monthly fee. Rallly and Seatsurfing cover meeting polls and desk-style booking; Easy!Appointments is the classic for service businesses.
Open source alternatives to Calendly
Open source scheduling links: invitees pick a slot, everyone gets a calendar invite — without a monthly fee. Rallly and Seatsurfing cover me…
Compare
| Program | License | Self-hosted | Last release | Activity |
|---|---|---|---|---|
| Rallly | AGPL-3.0 | Yes | Nov 1, 2026 | Nov 2026 |
| Seatsurfing | GPL-3.0 | Yes | — | Jul 2022 |
| Easy!Appointments | GPL-3.0 | Yes | Oct 19, 2026 | Nov 2026 |
How to choose
Compare the options on what matters for your case: the license (if you run a business, check commercial use), the platforms you already operate, and how actively each project releases. Every program above links to its official project page, release notes and source code.