Hillstone Software

HS Invoice Manager is invoicing software designed for small businesses that can print professional invoices, credit notes, account statements, price lists, and control product stock.

HS X.25 is a C-based software library that adheres to the ITU-T recommendation X.25. It comes with source code and includes HsDL and HsSock for X.25 over IP apps (XOT).

HS TFTP is a C software library that enables the implementation of TFTP over UDP socket layer as per RFC 1350. It provides support for both file get and put functionality for client and server sides. The software is supplied with complete source code.

HS GPS is a software library that enables access to a GPS receiver via serial communication port. It decodes NMEA sentences like $GPGGA, $GPGSA, $GPGSV, $GPGLL, $GPRMC, and $GPVTG while providing full C source code.

HS Crypto is a C software library that provides programmers with an API for data encryption/decryption using various algorithms, including Table Translation, XOR, and MD5. It comes with full source code.

HS GSM SMS is a C source library allowing PC-based applications to access a mobile phone's Short Message Service (SMS) function following ETSI standards, including GSM 07.05 and GSM 03.40.

HS Staff Manager is a database software that makes it easier for enterprise users to manage employee information by enabling storage, categorization, search and retrieval functionalities.