I2P and messaging

Introduction

This page describe the different ways to do messaging with I2P: exchanging messages inside I2P, and (when possible) between I2P and a other network (ie: clearnet, Tor, Freenet, ...).

Table

Latest release year	Software/service name	Decentralized ?	Messages encrypted during transfers ?	Messages encrypted by the client ?	Messages stored encrypted on host/peers ?	Possible gateway to the clearnet ?
2017	Aktie	Yes	Yes	Yes ?	Yes ?	No
2011 ?	SusiMail (for postman's mail service)	No	No	No	No	Yes
2017	I2P-Bote	Yes	Yes	Yes	Yes	No
2016	PyBitmessage-I2P	Yes	Yes	Yes	Yes	No
2014	OFS	Yes	Yes	Yes	Yes	No
2018	RetroShare	Yes	Yes	Yes	Yes	No as email service, but can be possible between RetroShare users if 2 RetroShare users have a friend in common connected to I2P (to others friends in I2P) and also to the clearnet (to others friends in the clearnet).
2016	Syndie	Yes	Yes	Yes	Yes	No as email service, but can be possible between Syndie users (on the clearnet) if a archive server is in common with 2 users of Syndie (one in I2P, one in the clearnet).

See also

Instant messaging :

• I2P and instant messaging