base on DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.
[](https://www.davx5.com/)
[](https://f-droid.org/packages/at.bitfire.davdroid/)
[](https://github.com/bitfireAT/davx5-ose/blob/main/LICENSE)
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DAVx⁵
========
Please see the [DAVx⁵ Web site](https://www.davx5.com) for
comprehensive information about DAVx⁵, including a list of services it has been tested with.
DAVx⁵ is licensed under the [GPLv3 License](LICENSE).
News and updates:
* [@
[email protected]](https://fosstodon.org/@davx5app) on Mastodon
**Help, feature requests, bug reports: [DAVx⁵ discussions](https://github.com/bitfireAT/davx5-ose/discussions)**
Parts of DAVx⁵ have been outsourced into these libraries:
* [cert4android](https://github.com/bitfireAT/cert4android) – custom certificate management
* [dav4jvm](https://github.com/bitfireAT/dav4jvm) – WebDAV/CalDav/CardDAV framework
* [ical4android](https://github.com/bitfireAT/ical4android) – iCalendar processing and Calendar Provider access
* [vcard4android](https://github.com/bitfireAT/vcard4android) – vCard processing and Contacts Provider access
**If you want to support DAVx⁵, please consider [donating to DAVx⁵](https://www.davx5.com/donate)
or [purchasing it](https://www.davx5.com/download).**
USED THIRD-PARTY LIBRARIES
==========================
The most important libraries which are used by DAVx⁵ (alphabetically):
* [dnsjava](https://github.com/dnsjava/dnsjava) – [BSD License](https://github.com/dnsjava/dnsjava/blob/master/LICENSE)
* [ez-vcard](https://github.com/mangstadt/ez-vcard) – [New BSD License](https://github.com/mangstadt/ez-vcard/blob/master/LICENSE)
* [iCal4j](https://github.com/ical4j/ical4j) – [New BSD License](https://github.com/ical4j/ical4j/blob/develop/LICENSE.txt)
* [okhttp](https://square.github.io/okhttp) – [Apache License, Version 2.0](https://square.github.io/okhttp/#license)
See _About / Libraries_ in the app for all used libraries and their licenses.
", Assign "at most 3 tags" to the expected json: {"id":"13649","tags":[]} "only from the tags list I provide: [{"id":77,"name":"3d"},{"id":89,"name":"agent"},{"id":17,"name":"ai"},{"id":54,"name":"algorithm"},{"id":24,"name":"api"},{"id":44,"name":"authentication"},{"id":3,"name":"aws"},{"id":27,"name":"backend"},{"id":60,"name":"benchmark"},{"id":72,"name":"best-practices"},{"id":39,"name":"bitcoin"},{"id":37,"name":"blockchain"},{"id":1,"name":"blog"},{"id":45,"name":"bundler"},{"id":58,"name":"cache"},{"id":21,"name":"chat"},{"id":49,"name":"cicd"},{"id":4,"name":"cli"},{"id":64,"name":"cloud-native"},{"id":48,"name":"cms"},{"id":61,"name":"compiler"},{"id":68,"name":"containerization"},{"id":92,"name":"crm"},{"id":34,"name":"data"},{"id":47,"name":"database"},{"id":8,"name":"declarative-gui "},{"id":9,"name":"deploy-tool"},{"id":53,"name":"desktop-app"},{"id":6,"name":"dev-exp-lib"},{"id":59,"name":"dev-tool"},{"id":13,"name":"ecommerce"},{"id":26,"name":"editor"},{"id":66,"name":"emulator"},{"id":62,"name":"filesystem"},{"id":80,"name":"finance"},{"id":15,"name":"firmware"},{"id":73,"name":"for-fun"},{"id":2,"name":"framework"},{"id":11,"name":"frontend"},{"id":22,"name":"game"},{"id":81,"name":"game-engine "},{"id":23,"name":"graphql"},{"id":84,"name":"gui"},{"id":91,"name":"http"},{"id":5,"name":"http-client"},{"id":51,"name":"iac"},{"id":30,"name":"ide"},{"id":78,"name":"iot"},{"id":40,"name":"json"},{"id":83,"name":"julian"},{"id":38,"name":"k8s"},{"id":31,"name":"language"},{"id":10,"name":"learning-resource"},{"id":33,"name":"lib"},{"id":41,"name":"linter"},{"id":28,"name":"lms"},{"id":16,"name":"logging"},{"id":76,"name":"low-code"},{"id":90,"name":"message-queue"},{"id":42,"name":"mobile-app"},{"id":18,"name":"monitoring"},{"id":36,"name":"networking"},{"id":7,"name":"node-version"},{"id":55,"name":"nosql"},{"id":57,"name":"observability"},{"id":46,"name":"orm"},{"id":52,"name":"os"},{"id":14,"name":"parser"},{"id":74,"name":"react"},{"id":82,"name":"real-time"},{"id":56,"name":"robot"},{"id":65,"name":"runtime"},{"id":32,"name":"sdk"},{"id":71,"name":"search"},{"id":63,"name":"secrets"},{"id":25,"name":"security"},{"id":85,"name":"server"},{"id":86,"name":"serverless"},{"id":70,"name":"storage"},{"id":75,"name":"system-design"},{"id":79,"name":"terminal"},{"id":29,"name":"testing"},{"id":12,"name":"ui"},{"id":50,"name":"ux"},{"id":88,"name":"video"},{"id":20,"name":"web-app"},{"id":35,"name":"web-server"},{"id":43,"name":"webassembly"},{"id":69,"name":"workflow"},{"id":87,"name":"yaml"}]" returns me the "expected json"