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

pimutils/vdirsyncer

📇 Synchronize calendars and contacts. observed · 2026-08-28

github.com/pimutils/vdirsyncer · homepage · Python · NOASSERTION (other) observed · 2026-08-28

Health v2 · maintenance only

67/100

  • Activity 98
  • Release rhythm 8
  • Longevity 100

Flags: no_license

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 4582
  • days_rel: n/a
  • days_push: 13
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

1864 stars · 182 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

vdirsyncer is a Python command-line tool that synchronizes calendars and addressbooks between servers (CalDAV/CardDAV) and the local filesystem, or directly between two servers. It aims to be for calendars and contacts what OfflineIMAP is for email.

Use cases

  • sync my CalDAV calendar to local files
  • synchronize CardDAV contacts with local vcard storage
  • mirror calendars between two servers
  • use khal and vdirsyncer for offline calendar access
  • back up contacts from a Nextcloud server
  • two-way sync of tasks and todos via vtodo

When to choose

  • you want local, file-based access to CalDAV/CardDAV data for use with terminal PIM tools
  • you need to sync calendars or addressbooks between servers or between server and disk
  • you prefer a scriptable, cron-friendly CLI over a GUI sync client

When to avoid

  • you need a graphical calendar or contacts application
  • you are on Windows, which is not supported
  • you want a one-time import/export rather than ongoing synchronization

Facets

cli-tool · maturity active

cli scheduling file-system http-client developer-tools self-hosted python cli caldav carddav webdav calendar-sync contacts-sync vdir icalendar vcard pim command-line linux macos

4 sources

Member repositories

RepositoryRoleHealth v2
pimutils/vdirsyncermain67

For agents

markdown · JSON · MCP: product_card(name="pimutils/vdirsyncer")

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