Aculab
Freeware
The AMS C# Client API is supplied as strong-named .NET assembly.
9
3CX System Ltd
30
Freeware
Be connected to all your contacts anyhwere anytime with 3CX VoIP Client.
1
PCBest Networks
18
Freeware
Robust SIP ActiveX Phone is a powerful and robust SIP ActiveX phone client.
Abto, LLC
Shareware
VoIP SIP SDK provides a powerful and highly customizable solution.
1
SipGo
176
Freeware
It enables you to make international calls directly from your desktop computer.
The Apache Software Foundation
1
Freeware
The Apache Wink Client is an easy-to-use client, providing a high level Java API.
Vitali Fomine
42
Open source
It is video conference client for SIP server compatible with WebSocket.
Suberic Networks
Freeware
Pooka is an email client written in Java, using the Javamail API.
2
Oracle Corporation
24,567
Freeware
It is a library that implements the C API for client/server communication.
5
The KPD-Team
Freeware
API-Guide is an API-database with all the API-functions of API-list.
63
KaplanSoft
58
Shareware
TekSIP is a SIP Registrar and SIP Proxy for Windows.
E-Soft Billing (Pvt.) Ltd.
2
Demo
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
2
ARM Ltd.
80
Freeware
A library that maps OpenGL ES 3.1 API calls to the OpenGL API.
2
FLISoft
2
Shareware
screen capture API,image manipulation API,easy to integrate in your product.
