Free tool to monitor and alert you with SMS, Email and Sound immediately when get PING consecutive timeout(Ping_Alert) or TCP ports consecutive connection timeout(Port_Alert ) or CPU/MEM usage keep consecutive high over pre-defined threshold(CPU_Alert). Alert you once only when the first time reach the defined consecutive number and alert you again when back to normal. Linux and Windows version.

• Ping_Alert : PING monitoring and alert. Alert you when PING consecutive loss and restored
• Port_Alert : Monitor TCP ports connection such as port 21 for FTP, 22(SSH), 23(TELNET), 25(SMTP), 53(DNS), 80(Httpd), 110(POP3), 1433(MSSQL), 3306(MYSQL) or any self defined port numbers. Monitoring TCP ports connection is monitoring those services. Article on ghacks.net for Port_Alert
• CPU_Alert : Monitor Linux / Windows CPU and MEMORY usage and send you alerts when CPU or MEM continues high over threshold and restored
• SMSCMD : Windows / Linux command line send SMS directly. No installation required. smscmd "the most easy to send sms" "phone1,phone2" or input from file smscmd "text.txt" "phone.txt".Easy to be called by any types of program or put into Windows Scheduler or Linux cron table
• SMS4Mail :  Setup criteria to filter outlook incoming unread email's "Subject" and "Sender" then auto-forward to phones via SMS
• SMS4PayPal : Get SMS and additional email notification with detail transaction information whenever get PayPal paid or refunded. Easy to enable/disable within 2 minutes
• MailCMD - Windows command to send mail and attachment. No installation required and SSL supported. Response back with "Mail sent successfully with return code 0" or "Mail sent failure" for your program to take action. Also response back the attached file name and file size if there is an attachment