Partisan SMS Alternatives

QKSMS is a beautiful communication app that offers magical texting experience.

Messaging and SMS app bundled in stock Android.

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

Fast, simple & secure messaging. Privacy that fits in your pocket.

Open Source

Handcent SMS is a free enhanced SMS and MMS application for Android.

Protect your communication in transit and on your phone.

Open Source

WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

free

Textra is a seriously beautiful, feature rich SMS and MMS app.

The Nextcloud App Store - Upload your apps and install new apps onto your Nextcloud

Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.

Open Source

Pulse SMS is a next-generation SMS and MMS application that is fast, secure and packed with lots of modern features as well as customization feature you cloud want.

iMessage is an unlimited text messaging system for the Mac OS X operating systems that provide the iOS users to send unlimited messages to other iMessage users on Mac or other iDevices for free.

My Folder and File Locker: Hide Photo and Videos is one of best privacy protection application to easily hide and encrypt your images, videos and any other files that you do not want others to see on your mobile device.

Download anything on your iOS device, right from Safari