#1 Developer ToolsFree
contact management — alternative #1 to CardDAV
CalDAV and CardDAV protocol servers and web clients/interfaces for Electronic calendar, address book and .
Catalogue source
Recorded alternatives
Alternatives to CardDAV
Every candidate below sits in Developer Tools. What ends up on this page is decided entirely by a recorded score — not by bidding, not by editor taste. Review both records, check current vendor terms, then decide.
#2 Developer ToolsFree
Electronic calendar — alternative #2 to CardDAV
CalDAV and CardDAV protocol servers and web clients/interfaces for , address book and contact management.
Catalogue source
#3 Developer ToolsPaid
ClipGPT — alternative #3 to CardDAV
ClipGPT summarizes and organizes your notes and bookmarks using OpenAI's GPT API. [Paid]
Catalogue source
#4 Developer ToolsUnknown
cosmos-mcp — alternative #4 to CardDAV
📇 ☁️ 🏠 🍎 - Personal knowledge graph shared across MCP clients. Account-keyed and portable as a .polarity file, with sources for iMessage, br...
GitHub source
#5 Developer ToolsFree
Xandikos — alternative #5 to CardDAV
Open source CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository. GPL-3.0 Python/deb
GitHub source
#6 Developer ToolsUnknown
FSCalendar — alternative #6 to CardDAV
A fully customizable iOS calendar library, compatible with Objective-C and Swift.
GitHub source
#7 Developer ToolsUnknown
iso-8601-date-formatter — alternative #7 to CardDAV
A Cocoa NSFormatter subclass to convert dates to and from ISO-8601-formatted strings. Supports calendar, week, and ordinal formats.
GitHub source
#8 ProductivityUnknown
KDCalendarView — alternative #8 to CardDAV
A calendar component for iOS written in Swift 4.0. It features both vertical and horizontal layout (and scrolling) and the display of native...
GitHub source
Questions about this page
How were these alternatives selected?
Each candidate is a live catalogue record in the same primary category, picked by a deterministic score that Oryxen records in its catalogue: how many meaningful words the two listings share, whether their pricing classes oppose (a paid product against a free one), whether both are open source, and whether either record is featured. The same catalogue state always produces the same list — no randomness, no manual ranking.
Are these alternatives ranked by payment?
No. Rows are ordered only by the recorded score, highest first, with alphabetical ties — payment never influences the order, nothing here is paid placement, and Oryxen charges no listing or placement fee.
Always verify current terms with CardDAV directly — Oryxen records pricing classes, not live quotes.