5
HubSpot, Inc.
412
Freeware
With the Sidekick Outlook plugin, you can track emails directly within Outlook.
HubSpot, Inc.
124
Freeware
It is a program that allows you to track email opens and clicks.
3
Zoom
22,982
Freeware
Instantly schedules meetings from the Outlook's interface.
Citrix Online Audio, LLC
51
Freeware
A service that lets you manage small and large audio conferences.
ReadNotify.com
Freeware
ReadNotify is the most powerful and reliable email tracking service.
1
ProfInfoTech
15
Freeware
Billion Phone - compact convenient SIP phone software for making voice calls.
2
MyVoipApp,Inc.
81
Freeware
Myvoipapp Sip Phone is a usefull tolls easy to use.
Joel Penner
2
Freeware
Sync data with Microsoft Outlook via an Outlook plugin.
52
OB Utilities
4
Shareware
OB Mail Merge is an Outlook plugin for sending bulk email.
1
PCBest Networks
18
Freeware
Robust SIP ActiveX Phone is a powerful and robust SIP ActiveX phone client.
12
Net2Phone Inc.
770
Freeware
Net2Phone SIP Dialer lets you make phone calls using your computer.
15
Linphone
2,568
Open source
Configure SIP accounts, perform VoIP phone calls or initiate audio conferences.
3telCafe
78
Freeware
A free SIP Softphone which offers PC-to-Phone service.
53
ProfInfoTech
4
Shareware
New generation phone system working in IP-networks using SIP protocol.
2
Avaya
102
Demo
It enables you to make voice and video phone calls using SIP-based standards.
