Ross ROSS = Recommend OSS · open-source software intelligence for agents

bitfireAT/davx5-ose

DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it. observed · 2026-08-28

github.com/bitfireAT/davx5-ose · homepage · Kotlin · GPL-3.0 (copyleft) observed · 2026-08-28

Health v2 · maintenance only

98/100

  • Activity 99
  • Release rhythm 96
  • Longevity 100
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: 16
  • age_days: 1760
  • days_rel: 30
  • days_push: 9
  • n_releases_24m: 32

Full methodology

Adoption not part of the score

2829 stars · 131 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

DAVx⁵ is an open-source Android app that synchronizes contacts, calendars, and tasks with CalDAV/CardDAV servers and provides live WebDAV file access. It is privacy-focused, works with self-hosted and commercial servers, and integrates seamlessly with Android's native calendar and contacts apps.

Use cases

  • sync android contacts with a nextcloud carddav server
  • sync calendars between android and a self-hosted caldav server
  • access webdav cloud files on android
  • sync tasks with caldav vtodo
  • replace google contacts/calendar sync with a privacy-friendly option
  • connect android to radicale or baikal servers

When to choose

  • you want two-way CalDAV/CardDAV sync on Android with a self-hosted or privacy-respecting server
  • you need WebDAV file access integrated into Android's Storage Access Framework
  • you want an open-source, actively maintained sync client with wide server compatibility

When to avoid

  • you need Exchange/ActiveSync or proprietary Google sync protocols
  • you are not on Android (it is a mobile app, not a server or desktop tool)
  • you need a library to embed CalDAV support in your own app (use dav4jvm instead)

Facets

application · maturity stable

backup file-system gui developer-tools privacy self-hosted mobile-development caldav carddav webdav contacts-sync calendar-sync tasks-sync open-source android

8 sources

Member repositories

RepositoryRoleHealth v2
bitfireAT/davx5-osemain98

For agents

markdown · JSON · MCP: product_card(name="bitfireAT/davx5-ose")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem