Tungle was just released into Beta not long ago. In short it allows you to coordinate meetings and such across Outlook, Google, iCal, Lotus Notes and now they support the BlackBerry with a cool new interface.
From the press release:
With Tungle’s new BlackBerry interface, professionals checking e-mail on their BlackBerry devices can receive Tungle meeting invitations [...]

Josep just let me know about a free service that lets you sync your BlackBerry contacts and calendar to their website for free. The service has a free BlackBerry client for practically every BlackBerry dating as far back as the 6510 . I have not tried it myself but it promises to sync all of [...]

I know you have heard of GooSync on BerryReview before to sync your Google Calendar and contacts 1 way with your BlackBerry. Josep just let me know that they have just added a serious upgrade to their premium feature set with bidirectional sync. Bidirectional means that it syncs the contacts from Google to your Berry [...]

I just got a press release from WorldMate that I found really interesting. WorldMate is an amazing free service that lets you easily schedule your itineraries to display on your BlackBerry. They just added two features that I am sure many people will love.
The first feature lets you know when you and a friend of [...]

I know BBerrySync has been in beta for a long time but they have finally announced their full product. You can know sign up for their service to sync you contacts, calendar, tasks, notes, inbox, & sent messages without a BES server!!! It just syncs your Outlook on your PC with your BlackBerry. This is better [...]

Neil of BBSmart has struck again after their successful email viewer. Their latest release is an application called Alarms Pro that lets you setup multiple alarms on your BlackBerry. This should be something RIM should implement natively but BBSmart has added enough features to make it a great application.
We were waiting for version 1.1 to [...]

I know we mentioned Unyverse back in December but some serious changes have been made since then which warrant mention. First of all they changed their name to Upvise after they started courting business customers. My favorite feature that I am trying right now is the ability to create a shopping list on their website [...]

WorldMate is nothing new for the mobile warrior.  The application takes itinerarys from your inbox and converts them into a format you can use on your BlackBerry. That is just the tip of the iceberg…
The problem until now was that you needed to use their Outlook plugin to get it to work. They just sent [...]

We have mentioned Mentat a couple times in the past. They implement a kind of social GTD (Getting Things Done) process and have recently released a BlackBerry client with a few features. I just got an announcement from them about some new features and that they are doubling the price for the client. If you [...]

Josep just sent me a link to a press release by a company called SyncWizard. They have released a (seemingly free) product that hopes to integrate all of your contact information and personal information from a wide array of devices including BlackBerrys. It syncs bookmarks, wallpapers, documents, pictures, music, and most importantly contacts and calendars. [...]