Jira may be extremely sluggish and require a large amount of memory on the client side.
Based on our record, Conversations.im seems to be more popular. It has been mentiond 34 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
AFAIK Conversations is one of the best, if not the best. On F-Droid it’s gratis, on Google Play it costs something. Source: about 1 year ago
Conversations (version 2.12.3): Encrypted, easy-to-use XMPP instant messenger for your mobile device. Source: about 1 year ago
Conversations [1] is the best Android XMPP client I know. IIRC they pushed the adoption of OMEMO and implemented it first, before the desktop clients could catch up. [1] https://conversations.im/. - Source: Hacker News / over 1 year ago
Maybe have a look at Briar or good old Jabber (XMPP) with OTR or OMEMO, e.g. Implemented in Conversations. Source: over 1 year ago
Conversations (version 2.11.0+free): An encrypted, user friendly XMPP instant messaging client optimized for mobile. Source: over 1 year ago
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
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Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.