1.Kozea / RadicaleA simple CalDAV (calendar) and CardDAV (contact) server.pythoncaldavicalendarcarddavPythonGPL-3.05.2K total545 forks+592 starsfrom 4,596 · score 6.39
2.alextselegidis / easyappointments:date: Easy!Appointments - Self Hosted Appointment Schedulerappointmentsschedulereventstimegoogle-calendarsync+6 morePHPGPL-3.04.5K total1.6K forks+327 starsfrom 4,153 · score 5.79
3.ProtonMail / WebClientsMonorepo hosting the proton web clientswebmailpgpprotonmailprotoncalendaryarnreact+3 moreTypeScriptGPL-3.05.7K total740 forks+325 starsfrom 5,352 · score 5.79
4.sabre-io / BaikalBaïkal is a Calendar+Contacts serverPHPGPL-3.03.4K total323 forks+244 starsfrom 3,122 · score 5.50
5.intri-in / manage-my-damn-life-nextjsManage My Damn Life (MMDL) is a self-hosted frontend for managing your CalDAV tasks and calendars.caldavcaldav-clientcalendartask-managertaskmanagertasks+3 moreJavaScriptGPL-3.0644 total45 forks+92 starsfrom 552 · score 4.53
6.jelmer / xandikosA CalDAV/CardDAV server backed by GitcaldavcarddavwebdavpythongitdulwichPythonGPL-3.0613 total58 forks+58 starsfrom 555 · score 4.08
7.wsdjeg / calendar.nvimA lightweight and extensible calendar plugin for Neovim.neovim-pluginLuaGPL-3.052 total4 forks+9 starsfrom 43 · score 2.30