README.md: prettify, link to implementations

README.md

@@ -1,5 +1,17 @@
-# devp2p
-
-[![Join the chat at https://gitter.im/ethereum/devp2p](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/ethereum/devp2p)
+<p align="center"><img src="etherdog.png"></p>
 
 This repository contains specifications for the peer-to-peer protocols used by Ethereum.
+The issue tracker here is for discussions of protocol changes. You can also get in touch
+through our **[gitter channel](https://gitter.im/ethereum/devp2p)**.
+
+devp2p is part of most Ethereum clients. Implementations include:
+
+- [go-ethereum (Go)](https://github.com/ethereum/go-ethereum/)
+- [Parity Ethereum (Rust)](https://github.com/paritytech/parity-ethereum)
+- [Trinity (Python)](https://github.com/ethereum/py-evm)
+- [Aleth (C++)](https://github.com/ethereum/aleth)
+- [Ethereum JS (JavaScript)](https://github.com/ethereumjs/ethereumjs-devp2p)
+- [ruby-devp2p (Ruby)](https://github.com/cryptape/ruby-devp2p)
+- [Exthereum (Elixir)](https://github.com/exthereum/ex_wire)
+
+WireShark dissectors are [available here](https://github.com/ConsenSys/ethereum-dissectors).