Downloading LetSys 4.1.0.7 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The LetSys installer is commonly called LetSys.exe. The most popular versions among the program users are 4.1, 3.7 and 3.6. This software is an intellectual property of Erw Wen Software. We recommend checking the downloaded files with any free antivirus. The software lies within Business Tools, more precisely Project Management.
From the developer:
LetSys is a program for short term vacation rental management. It is perfect for those who handles holiday cottage bookings. It can automatically produce various reports, accounts, letters, and financial data. You can also see the forecast income, and compare your booking progress with previous years.
You may want to check out more software, such as Check Point SmartConsole NGX R65 HFA 01, HelpSpot or MAUS MasterPlan, which might be related to LetSys.