cal.diy
The self-hosted community edition of Cal.com
Open-source scheduling — booking pages, event types, calendar and video integrations — maintained by the community for running on your own server; Cal.com recommends it for personal use.
Free alternative to Calendly
| Resource | Pricing | Type | Licence | Platforms | Popularity | Last commit | Link |
|---|---|---|---|---|---|---|---|
| Cal.diy | Open source | Tool | MIT | web | ★ 49k | 26 Sept 2026 | ✓ |
| Modly | Free | Tool | — | web | ★ 4.9k | 3 Oct 2026 | ✓ |
| HitKeep | Free | Tool | MIT | web · self-hosted | ★ 91 | 2 Oct 2026 | ✓ |
| listmonk | Open source | Tool | AGPL-3.0 | self-hosted | ★ 24k | 4 Oct 2026 | ✓ |
| NocoBase | Open source | Tool | — | web | ★ 24k | 30 Sept 2026 | ✓ |
| Easy!Appointments | Open source | Tool | GPL-3.0 | web | ★ 4.4k | 1 Oct 2026 | ✓ |
| Seafile | Open source | Tool | — | web | ★ 15k | 18 Sept 2026 | ✓ |
Turn any photo or text prompt into a 3D model with local AI. Export as GLB, OBJ, STL or PLY. Free, open source, runs entirely on your GPU — no cloud, no account.
Open-source web analytics for traffic, conversions, Search Console, AI visibility, and optional evidence-backed AI. Use managed Cloud or self-host HitKeep.
Self-hosted newsletters and mailing lists
Open-source no-code for internal tools
Self-hosted appointment booking
Fast file sync for teams
