Mastodonmastodon/mastodon
Self-hosted social network in the fediversePersonalEnterpriseSelf-hosted appsCommunicationWebDocker / self-host★ 50kAGPL-3.0commit 22 hours ago89worth
Open-source alternatives to Cal.com
24 projects in the catalog are in the same category as Cal.com: Self-hosted apps. They are ranked by how closely their categories, platforms and GitHub topics match, then by worth score. Of these, 24 run with Docker, 5 have a permissive license and 24 had a commit in the last 90 days.
Compare at a glance
| Project | Runs on | Self-host with Docker | License | Stars | Last commit |
|---|---|---|---|---|---|
| Cal.com (this project) | Web, Docker / self-host | Yes | MIT | 49k | |
| Mastodon | Web, Docker / self-host | Yes | AGPL-3.0 | 50k | |
| Plane | Web, Docker / self-host | Yes | AGPL-3.0 | 60k | |
| Reactive Resume | Web, Docker / self-host | Yes | MIT | 44k | |
| Puter | Web, Docker / self-host | Yes | AGPL-3.0 | 44k | |
| Ghost | Web, Docker / self-host | Yes | MIT | 55k | |
| Open Notebook | Web, Docker / self-host | Yes | MIT | 40k | |
| ERPNext | Web, Docker / self-host | Yes | GPL-3.0 | 40k | |
| Nextcloud | Web, Docker / self-host | Yes | AGPL-3.0 | 37k | |
| Actual Budget | Web, Docker / self-host | Yes | MIT | 29k | |
| 1Panel | Web, Docker / self-host | Yes | GPL-3.0 | 37k | |
| Stirling-PDF | Web, Docker / self-host | Yes | Custom (read before use) | 93k | |
| Twenty | Web, Docker / self-host | Yes | Custom (read before use) | 58k | |
| Documenso | Web, Docker / self-host | Yes | AGPL-3.0 | 15k | |
| AFFiNE | Web, Docker / self-host, Desktop | Yes | Custom (read before use) | 73k | |
| Outline | Web, Docker / self-host | Yes | Custom (read before use) | 41k | |
| NocoDB | Web, Docker / self-host | Yes | Custom (read before use) | 65k | |
| Discourse | Web, Docker / self-host | Yes | GPL-2.0 | 48k | |
| Odoo | Web, Docker / self-host | Yes | Custom (read before use) | 55k | |
| DeepWiki Open | Web, Docker / self-host | Yes | MIT | 18k | |
| Syncthing | Docker / self-host, Desktop | Yes | MPL-2.0 | 89k | |
| Paperless-ngx | Docker / self-host | Yes | GPL-3.0 | 46k | |
| Trilium Notes | Docker / self-host, Desktop | Yes | AGPL-3.0 | 38k | |
| RustDesk | Docker / self-host, Desktop, Mobile | Yes | AGPL-3.0 | 125k | |
| Halo | Docker / self-host | Yes | GPL-3.0 | 40k |
Web apps (19)
Planemakeplane/plane
Open-source Jira and Linear alternativePersonalEnterpriseSelf-hosted appsWebDocker / self-host★ 60kAGPL-3.0commit 2 days ago87worth
Reactive Resumereactive-resume/reactive-resume
Privacy-focused resume builderPersonalSelf-hosted appsWebDocker / self-host★ 44kMITcommit 3 days ago86worth
PuterHeyPuter/puter
Self-hostable internet OSPersonalSelf-hosted appsWebDocker / self-host★ 44kAGPL-3.0commit 15 hours ago86worth
GhostTryGhost/Ghost
Publishing platform with memberships and newslettersPersonalEnterpriseSelf-hosted appsWebDocker / self-host★ 55kMITcommit 14 hours ago85worth
Open Notebooklfnovo/open-notebook
Open-source NotebookLM alternativePersonalNotes & docsRAG & vector DBsWebDocker / self-host★ 40kMITcommit 11 hours ago85worth
ERPNextfrappe/erpnext
Free and open-source ERPEnterpriseSelf-hosted appsWebDocker / self-host★ 40kGPL-3.0commit 20 hours ago84worth
Nextcloudnextcloud/server
Self-hosted file sync, sharing and collaborationPersonalEnterpriseSelf-hosted appsCommunicationWebDocker / self-host★ 37kAGPL-3.0commit 13 hours ago83worth
Actual Budgetactualbudget/actual
Local-first personal financePersonalSelf-hosted appsWebDocker / self-host★ 29kMITcommit 15 hours ago83worth
1Panel1Panel-dev/1Panel
Modern Linux server management panelPersonalEnterpriseSelf-hosted appsInfra & DevOpsWebDocker / self-host★ 37kGPL-3.0commit 3 days ago81worth
Stirling-PDFStirling-Tools/Stirling-PDF
Self-hosted toolbox for every PDF taskPersonalEnterpriseSelf-hosted appsWebDocker / self-host★ 93kcommit 21 hours ago80worth
Twentytwentyhq/twenty
Modern open-source CRMEnterpriseSelf-hosted appsWebDocker / self-host★ 58kcommit 15 hours ago80worth
Documensodocumenso/documenso
Open-source DocuSign alternativePersonalEnterpriseSelf-hosted appsWebDocker / self-host★ 15kAGPL-3.0commit 2 days ago79worth
AFFiNEtoeverything/AFFiNE
Docs, whiteboards and databases in one workspacePersonalNotes & docsDesign & creativeWebDocker / self-hostDesktop★ 73kcommit 4 days ago78worth
Outlineoutline/outline
Fast, collaborative knowledge base for teamsEnterpriseNotes & docsWebDocker / self-host★ 41kcommit 11 hours ago78worth
NocoDBnocodb/nocodb
Self-hostable Airtable alternativePersonalEnterpriseDatabases & backendsSelf-hosted appsWebDocker / self-host★ 65kcommit 23 hours ago78worth
Discoursediscourse/discourse
Platform for community discussionPersonalEnterpriseSelf-hosted appsCommunicationWebDocker / self-host★ 48kGPL-2.0commit yesterday71worth
Odooodoo/odoo
Open-source business apps suiteEnterpriseSelf-hosted appsWebDocker / self-host★ 55kcommit 17 hours ago70worth
DeepWiki OpenAsyncFuncAI/deepwiki-open
AI wiki generator for repositoriesPersonalEnterpriseNotes & docsCoding assistantsWebDocker / self-host★ 18kMITcommit 4 weeks ago69worth
Self-hosted Docker apps (5)
Syncthingsyncthing/syncthing
Continuous peer-to-peer file synchronizationPersonalSelf-hosted appsDocker / self-hostDesktop★ 89kMPL-2.0commit 3 days ago89worth
Paperless-ngxpaperless-ngx/paperless-ngx
Scan, index and archive all your documentsPersonalSelf-hosted appsDocker / self-host★ 46kGPL-3.0commit 12 hours ago86worth
Trilium NotesTriliumNext/Trilium
Build your personal knowledge basePersonalNotes & docsDocker / self-hostDesktop★ 38kAGPL-3.0commit 19 hours ago86worth
RustDeskrustdesk/rustdesk
Self-hostable remote desktop, a TeamViewer alternativePersonalEnterpriseSelf-hosted appsDocker / self-hostDesktopMobile★ 125kAGPL-3.0commit 14 hours ago86worth
Halohalo-dev/halo
Open-source website builder and blogPersonalWeb frameworksSelf-hosted appsDocker / self-host★ 40kGPL-3.0commit 3 days ago86worth