General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.
Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
Start Free
Ship Agents Faster
Transform your applications and workflows into powerful agentic systems at global scale.
Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
Kalkun is an open source web-based SMS (Short Message Service) manager.
It uses Gammu SMSD (part of gammu family) as SMS gateway engine to deliver and retrieve messages from your phone/modem.
Documentation is on the wiki: https://github.com/kalkun-sms/Kalkun/wiki
Development and source code can be found on github: https://github.com/kalkun-sms/Kalkun/
Send Bulk OTP SMS in PHP using SMS Gateway Center HTTP API
You need to be registered member with https://www.smsgatewaycenter.com/ and then you can use this script to send OTP SMS to your clients and peers.
This script is just an example to sendsms and validate OTP using session. But you can use it with your database to get users and send out OTP SMS to registered members and have them validated.
...
...You just have to type your account information ( https://www.proovl.com ) and upload file on server.
https://www.virtnumber.com/
receive sms online script
https://sourceforge.net/projects/sms-number/
JavaSMSapi JAR application:
https://sourceforge.net/projects/java-smser-api/
Python sendSMS + bulk sms
https://sourceforge.net/projects/python-send-sms-free
https://github.com/aarnhub
New customers can spin up VMs, build with AI, and query data at no cost.
Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
This is a simple and easy to modify PHP form, which will allow you to send SMS messages through HTTP with your own Sender ID and delivery reports. You just have to insert your account information (www.sourcesms.com) and upload the files onto your web server.
KSMS is a web-based interface to manager an SMS Gateway like kannel.The goals is an integrated users manager, sms templates, a flexible admin control panel.Sms bulk are sended through a simple web interface that can be made with to fit various send-syste