23
Circuit Diagram
2,205
Open source
It helps you make electronic circuit diagrams and export them as images.
2
EDrawSoft
697
Shareware
Create diagrams in a manual mode or using free templates.
13
NCH Software
11,227
Shareware
ClickCharts Flowchart Pro Edition allows you to create visual representations.
1
Effexis Software
67
Shareware
Creates call flows & UML sequence diagrams from textual inputs.
21
Gadwin Systems, Inc.
51
Commercial
create flowcharts, business, technical diagrams.
EDrawSoft
86
Shareware
Integrate it to other applications as an activeX control to create diagrams.
37
Voicent Communications, Inc.
125
Freeware
Voicent Flex PBX is an easy-to-use software-based PBX system. It supports both analog phone services....
NeoNova BV
2
Shareware
The Astium PBX is the most advanced PBX's nowadays available.
93
Nevron Software LLC
2
Shareware
Nevron Diagram Designer is a freeware diagram editor.
1
tmssoftware
25
Shareware
TMS Diagram Studio can add diagram and flowchart capabilities to your app.
6
Farshad Barahimi
205
Open source
Diagram Ring is an open source advanced diagram editor.
Auerswald GmbH & Co.KG
8
Freeware
Enables you to attach an ISDN PBX or another ISDN device to two connections.
1
Code Plex
2
Freeware
FREE Windows-based open source PBX, IVR and Auto-Attendant Phone System.
3
AdoreSoftphone
208
Demo
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
27
Emil Stoyanov
43
Open source
Kiax is a softphone for making VoIP calls to Asterisk PBX.
1
PortSIP Sutions, Inc.
74
Freeware
Softphone compatible with SIP for voice over IP PBX or international providers.
