This page lists OBM Sync components.
### Feature Matrix
| Feature | obm-sync | obm-caldav | opush |
| ------- | -------- | ---------- | ------------ | ----- |
| contacts sync |yes |yes | yes|
| users sync |yes | no | no |
| events sync |yes |yes | yes|
| tasks sync |no |no | no |
| email sync (INBOX only) |no |no | yes |
| multi-calendar |yes |yes | no |
| direct push |no | no| yes |
| free-busy |yes |yes | no |
### Phones Compatiblity
More information [here](/node/14).
### OBM Sync Server
The OBM Sync server is a webservice used to synchronize OBM PIM data with :
* [Mozilla Thunderbird](http://www.mozilla.com.html) with [OBM Mozilla Calendar Connector](/content/obm-thunderbird-connector).
* [Microsoft Outlook](http://office.microsoft.com/fr-fr/outlook/) with [OBM Outlook Connector](/content/obm-outlook-connector).
The synchronisation URL to use in connectors is *https://external.url/obm-sync/services* in thunderbird and outlook
### OBM Opush
Opush is a free Activesync server connected to OBM, details [here](/wiki/opush).JORDAN