...more

NetNewsWire is a free and open-source RSS reader for Mac, iPhone, and iPad. ...more

FreeOTP is an Opensource OTP (One Time Password) tool that supports HOTP and TOTP. ...more

Electrum is an OpenSource Bitcoin wallet. ...more

Mozilla Firefox is one of the most popular open source web browser developed and maintained by Mozilla foundation. ...more

Cryptonite brings EncFS and TrueCrypt to Android. You can browse, export and open EncFS-encrypted directories and files on your Dropbox and on your phone. ...more

Encryptr is a cloud-based password manager and e-wallet. ...more

Albite READER is an ebook reader software. ...more

RedReader is an unofficial open source Reddit client for Android. ...more

Silence.im is an encrypted text messaging service. ...more

Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds. ...more

Weblate is a free web-based translation tool with tight version control integration. ...more

Instructure Canvas is an LMS (Learning Management Software). ...more

Transdroid allows you manage your torrents from your Android device. ...more

Zulip is a chat and collaborative software. ...more

Etar is a material design calendar. ...more

Magpie is a git-backed Evernote replacement. ...more

Tint Browser is an open-source browser for Android 4 and above. ...more

Anki is a spaced repetition flashcard software. ...more

Springseed is the simple and easy way to take your notes. ...more

Omni Notes open-source note-taking application, designed to be lightweight and simple without giving up smart behavior. ...more

Material Design ready and feature rich Twitter app for Android. ...more

Kid3 is an open-source cross-platform audio tag editor for many audio file formats. ...more

Xabber (XMPP and Jabber) is a XMPP client for the Android Operating System. ...more

Cryptomator is a multi-platform transparent client-side encryption of your files in the cloud. ...more

Money Manager EX is a simple money management software, released free and available for Windows, Linux, MacOS, Android and iOS. ...more

Turtl lets you take notes, bookmark websites, and store documents for sensitive projects. From sharing passwords with your coworkers to tracking research on an article you're writing, Turtl keeps it all safe from everyone but you and those you share with. ...more

Minds is an open source social networking service. ...more

Butter Project or simply Butter is a suite of open source desktop and mobile applications that allow video-streaming over the BitTorrent protocol. ...more

AntennaPod is a free and open source podcast aggregator for the Android. ...more