Lemon Is an opensource Point of Sale software for micro, small and medium businesses. Supports many POS terminals with a single database on a network., and has been tested with Star Micronics Thermal/Parallel printers and Datalogic barcode readers.


  • Group or Packs of products
  • Special Orders [ custom products ]
  • CUPS printers support, beautiful tickets
  • User Roles
  • Printed Reports
  • Lock Screen
  • Suspend/Resume Sales
  • Currency conversion for multiple currency support

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User Reviews

  • hi Lemon does not find the database. I am using Ubuntu 15.10 64-bit. Lemon was installed. Through the Software Center. Database "mysql" as well installed. I got the following commands: cd / usr / share / kde4 / apps / lemon / cat lemon_mysql.sql | mysql -u root -p I have the following problem: ERROR 1007 (HY000) at line 4: Can not create database 'lemondb'; database exists

  • Fantastic program to run the cashbox and database for a retail outlet. Tracks taxes nicely. Combine this with a Square for debit or credit cards, a small printer for receipts, and a bar code scanner and you are ready for business.

  • This is well done, is very usefull and quite complete.

  • I had some hope for this program. But then it turned out to just mess up my whole computer(ubuntu) now I have to do a reinstall of my opperatingsystem. I do not recommend this, but feel free to try it. I just warn you

    2 users found this review helpful.
  • Nice work ! Great project.

    1 user found this review helpful.
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Additional Project Details


Chinese (Simplified), French, Spanish

Intended Audience

End Users/Desktop, Information Technology

User Interface


Programming Language


Database Environment