We have been using a third party trial wrapping solution for a while where I work to give users 15 or 30 day trial versions of our commercial software (the commercial versions are recompiled to use a USB hard key) - however I would like to see what other options are out there for creating trial software. What do you recommend? ...
I wrote a utility for photographers that I plan to sell online pretty cheap ($10). I'd like to allow the user to try the software out for a week or so before asking for a license. Since this is a personal project and the software is not very expensive, I don't think that purchasing the services of professional licensing providers would b...
We're looking to replace our current, in-house developed trial-version activation system for our .NET application with something off the shelf. To clarify the question I'm asking, let me point out some ground we've already covered (and related questions already asked here), and some other requirements we have: We're convinced that we ...
I'm developing a shareware desktop application. I'm to the point where I need to implement the trial-use/activation code. How do you approach something like this? I have my own ideas, but I want to see what the stackoverflow community thinks. I'm developing with C++/Qt. The intended platform is Windows/Mac/Linux. Thanks for your advice...
Hi! I am looking for a load-testing tool which supports more than 20 virtual users in trial version. ...
Hi there, We are trying to offer a license mechanism for every feature our Linux application is running and we are thinking of controlling it in a centralized way using a license server: Our aim for licensing is: Deny features the operator has not bought. Offer trials (features which expire if they are not bought). Activate features ...
Duplicate Time bomb needed in asp.net application I've done developing my app in C#. I need some info of how I can implement 'trial' functionality for my app (I want to let the user use the app for 30 day for example) ...
I know there is already present similar questions on SO. But my question is more theoretical. I'm wondering, is it possible to design a foolproof trial system? By foolproof I mean such a system which cannot be cracked even if a cracker knows the algorithm of such a system? Sorry if it is not a programming question. Edit: I think I sho...
I'm building a shareware software that allows users to import various types of files (XML, CSV, etc.) into a database. I'd like to provide a trial version, but limit it in some way to prevent users that really need it, from not having to buy it ever. I considered time based limit, but it seems that there are so many ways to work around ...
Hello, I have a application which I want to hit the market as a Paid app. I would like to have other version which would be a "trial" version with a time limit of say, 5 days? How can I go about doing this? Thanks. ...
I want to create trial version for our product, allowing a user to use it for 5 days. I am planning to use the system BIOS time to do this. Is this possible, what other methods are available to me? ...
Hello, C# 2008 SP1 I am writing an application that I want to give to a select number of customers. What is the best solution to use so that after the trail period (1 month) the application will no longer work. I was thinking that if they are interested in purchasing the software I will give them a license key or something, to unloc...
Hello, I am trying to implement a recurring subscription service on a website using PayPal however I would like to offer a free trial period before the user is billed and the subscription is started. Is this possible using PayPal's API? I have very little experience using the PayPal API and cannot seem to find any useful documentation ...
What are the symptoms of trial version expiration of ajax uploader control control? I have problems with postbacks ... http://ajaxuploader.com/default.htm ...
Hello, As I understand there is no direct way to implement trials with InstallShield 2009 and .NET applications. Their documentation claims that there is a workaround: "*InstallShield cannot wrap .NET or Java files for the Try and Buy/Product Activation or Try and Die types of trialware. In addition, InstallShield cannot wrap files th...
I've installed a trial of Adobe Flash CS4 (i didn't use this trial till the end) and wrongly entered the expired license number. I ran uninstall and tried to install a trial version again. Seems, that it keeps somewhere the wrong serial number and each time i run the Flash application it alerts me, that the license has expired. How do i ...
hi , i have created my product and also generated license key for that but i want to ask that key after 30 days. i have do it with registry value storing the date with adding 30 days in that. but i found that if the user change the system date with 30 days before my logic not work. so is there any solution for the trial version softwar...
Hello, I'm developing a shareware sdk-like library (using C++). The library is a simple dll provides some functions. So, my first question is what types of trials are possible for simple dll? I don't want to cut the functionality of the trial dll, so I tend to use time-trial. I roughly understand how to track usage time of the lib, so...
I want to create a free trial of (30 days of) my software. I cant able to take the system time because it may be changed by the user.How I can calculate a Day in my system. It's my task in this month . try a solution. in this week i have to submit the report in what way i am doing .Plz I dont have internet connection. ...
For my MFC/C++ unmanaged time-limited software needs, I'd like to get a GMT/UTC time-stamp from the internet (instead of relying on the PC clock time that can be easily changed). I already though about parsing the line "Current UTC"... line from http://www.timeanddate.com/worldclock/ (I think port 80 is more likely to be open than other...