Free Software for Android
LessPass
With LessPass you can manage your registrations, login and passwords with is. LessPass is a password manager that computes a unique password using a site, login, and a master password for you mobile Android or iOS device or as a browser extension for Google Chrome and Firefox. Since a password manager, or any software for that matter is as secure as it is transparent, the LessPass source code is available on Github and can be inspected and perfected by anyone in the community.
Rome2rio
With Rome2rio you can find the best way to get from A to B, anywhere in the world. Rome2rio is a web-based and a mobile application that allow you to compare plane, train, bus, car, ferry, bike share, driving and walking directions so that you can make the best travel decisions. Rome2rio allow you to save time, money and to travel on the routes that matter to you.
Tumblr
Tumblr is a an easy to use microblogging site and social network first released in 2007. On Tumblr, people can share stories via blogs and other media such as photos, GIFs, links and third party platform embeds such as Spotify playlist and tracks. All users of Tumblr can follow each other to get up-to-date content from the creators you live. There is also private publishing features which allow you to share your stories only to a select group or community. Over 500 milion people use Tumblr to share contet on the web for free.
NoteLedge
NoteLedge is a note taking software for mobile and desktop. With NoteLedge you can stay orginized and make interactive notes with visual media including images, videos or audio recordings.
Wallabag
With Wallabag you can save web articles and links and read them later. The application is developed and released as open source software and is avalible on your smart phone, tablet and desktop. Wallabag can be self-hosted for free, or used as a service for a monthly subscription.
ProtonMail
World's largest secure email service providing end-to-end encrypted email accounts. ProtonMail is based in Geneva, Switzerland and protected by Swiss privacy laws. The software is openly developed with fully open source code.
Buttercup
Buttercup is a free and open-source password manager, available on all major platforms. With Buttercup you can track and store your login information for any service and device that you use. The application's securely encrypted vault allow you to store account information securely with additional support for 2FA/OTP (TOTP).
Standard Notes
Standard Notes is a safe place for your notes, thoughts, and life's work. With Standard Notes you can create, edit and manage notes with a complete encrypted app that is free and open source.
KeePassDroid
KeePassDroid is a port of the KeePass Password safe for the Android platform. With KeePassDroid password manager you can safetly and securely manage passwords for your mobile android device.