Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored, if it is shared with some third party and how it's transmitted over the Internet.
Epoxy is an Android library for building complex screens in a
RecyclerView. It abstracts the boilerplate of view holders, item types, item ids, span counts, and more, in order to simplify building screens with multiple view types. Additionally, Epoxy adds support for saving view state and automatic diffing of item changes.
Material Design implementation for Android 2.2 and newer. This is not the exact copy of the Lollipop's API and features. It's a custom implementation of the most useful things as shown in the design specification. The library also features some additional non-standard extensions, like rounded corners for layouts or a Divider view for easy divider creation.
Smack is an open source, cross-platform, easy to use, Java XMPP client library.
A pure Java library, it can be embedded into your applications to create anything from a full XMPP client to simple XMPP integrations such as sending notification messages and presence-enabling devices. Smack and XMPP allows you to easily exchange data, in various ways e.g. fire-and-forget, publish-subscribe, between human and non-human endpoints.