Tally 9

You can Download Tally 9 Demo version from here.

Tally Integration
Use RTSlink DLL to read or write Tally data. Works with VB to Tally, VFP to Tally, VB.NET to Tally, C# to Tally, ASP.NET (with C#) to Tally.
For more information, visit www.rtslink.com

Tally Customization
Learn TDL - Tally Definition Language at tdlplayground.blogspot.com

Tags:-
Tally 6.3, Tally 7.2, Tally 8.1, Tally 9 or higher.