Keybase is a messaging platform where: you can write securely to any twitter, reddit, facebook, github, and hacker news user you dont need to know someones phone number or email address all messages are secure, end-to-end encrypted multi-device: your messages survive and transfer with encryption to new phones & computersKeybase is so much more. It is: free for everyone, and free of ads open source (https://github.com/keybase/client) multi-platform, w/apps for macOS, Linux, and Windows (https://keybase.io/download)By using the Keybase app you agree to the following terms: youll be a nice Internet personKeybase for mobile is brand new and we yearn for feedback. Inside the app, click the gear icon and then choose feedback to send us a summary of your experience.

Keybase - Crypto for Everyone alternatives

Linphone

Linphone is an open source app offering free audio/video calls and text messaging. With Linphone, you can be reachable at any time, even if the app is closed, with a WiFi or 3G/4G internet connection. Contact Belledonne Communications www.belledonne-communications.com for any specific development query.

iOctocat - Mobile client for GitHub

GitHub in your pocket: The best way for staying up to date with whats going on in your projects and catching up with the open source ecosystem.iOctocat has a full-blown feature set, if you are looking for something in particular, see the list below or the website at http://ioctocat.comBe sure to follow the project on Twitter or App.net (@iOctocat) to be informed about what features will be added soon and when new versions ship So, without further ado, heres what the app can do for you: Activity Feeds and Profiles See whats up with repositories you watch and users you follow User and organization profiles including repositories, gists, etc. (organizations in Basic version) Follow users Repositories Quick access to your public repos (private ones in Basic version) Star, watch or fork repositories See the code and recent commits of the different branches, the README, issues and forks Code viewer with lots of nice themes, so you can see the code in all of its beauty Your star- and watchlist Commits Detailed information about the files that were added, removed and modified Browse the changes of the modified files viewing colored diffs Comment on commits and even diff lines Issues and Pull Requests Open, close or edit issues - merge pull requests on the go Issue and pull request discussion/commenting List of issues across your repositories Gists Access to your public, private and starred gists Browse them the same way you can explore repositories Of course you can comment on gists, too Search and Trending Repositories Look up users and repositories See the list of trending repositories per languageThese are the major features, plus lots more and counting. Here are some more niceties: Works with GitHubs Two-Factor Authentication Works with Personal Access Token Authentication Username, issue, and emoji completion (as seen on GitHub) plus Markdown shortcuts Get notified about GitHub status warnings Open almost every GitHub.com URL in iOctocat, by prefixing it with ioc:// instead of https:// 1Password integration (can be used when adding an account)

Monal - Free XMPP chat

Monal allows you to connect to your chat server without having to give a third party access to your password or messages. Whether it is a personal Google talk account or a corporate chat server, it is important not to give someone access to sensitive information. Implements XMPP certain extensions intended to improve mobile communication.- XEP-0280: Message Carbons keep messages in synch between clients.- XEP-0198: Stream Management to quickly reconnect.- XEP-0199: XMPP Ping to maintain connections.- XEP-0313: Message Archive Management to download chat history.- XEP-0352: Client State Indication for dramatic reduction on power use.- XEP-0363: HTTP File Upload to send images in conversations.

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