Jreen — Свободна Jabber библиотека с отворен код, написана на C++ и използваща Qt среда, под GNU/GPL версия 2. Първата стабилна версия 1.0.0 бе пусната на 10 ноември 2011 г.

Download latest sources

Преимущества пред други Jabber/XMPP библиотеки:

• Лесна за разширение архитектура
• Лесна за разучаване и поддръжка
• Много бърза

Name	Release date	Changelog
Jreen library 1.1.1	2013-01-07 18:07:26	Added support for XEP-224: Attentions Fixed roster update receiving on some servers
Jreen library 1.1.0	2012-04-13 13:17:32	Added PGP payloads Added support for Message Forwarding Added MetaContacts support Added experimental Jingle support Fixed authorization with SCRAM-SHA1 Fixed sending of IQ's on connect
Jreen library 1.0.6	2012-04-07 18:52:41	Fixed parsing of PubSub payload Fixed serializing of PubSub payload
Jreen library 1.0.5	2012-03-29 17:21:37	Fixed parsing of message's thread attribute
Jreen library 1.0.4	2012-03-28 05:53:25	Added support for in-band registration Added ability to force/deny compression/encryption Added CAPTCHA support Fixed IQ requests to yourself Fixed handling of messages' types in MessageSession
Jreen library 1.0.3	2012-03-14 05:22:10	Added Logger implementation Fixed QJDns initialization issue
Jreen library 1.0.2	2012-03-12 16:35:58	Added support for ProxyFactory Added immunity to invalid stanzas Added localization support for incoming stanzas Fixed QJDns initialization behaviour
Jreen library 1.0.1	2011-11-13 11:13:49	Fixed segfault at SASL initialization Fixed Facebook support
Jreen library 1.0.0	2011-11-10 11:55:38	First stable public release

Jreen supports very huge pack of XEP's:

• RFC 6120: XMPP Core
• RFC 6121: XMPP IM
• RFC 6122: Address Format
• XEP-0004: Data Forms
• XEP-0016: Privacy Lists
• XEP-0030: Service Discovery
• XEP-0045: Multi-User Chat
• XEP-0048: Bookmarks
• XEP-0049: Private XML Storage
• XEP-0054: vcard-temp
• XEP-0060: Publish-Subscribe
• XEP-0077: In-Band Registration
• XEP-0082: XMPP Date and Time Profiles
• XEP-0085: Chat State Notifications
• XEP-0092: Software Version
• XEP-0107: User Mood
• XEP-0108: User Activity
• XEP-0115: Entity Capabilities
• XEP-0118: User Tune
• XEP-0124: Bidirectional-streams Over Synchronous HTTP (BOSH)
• XEP-0126: Invisibility
• XEP-0128: Service Discovery Extensions
• XEP-0138: Stream Compression
• XEP-0153: vCard-Based Avatars
• XEP-0158: CAPTCHA Forms
• XEP-0163: Personal Eventing Protocol
• XEP-0166: Jingle
• XEP-0167: Jingle RTP Sessions
• XEP-0172: User Nickname
• XEP-0176: Jingle ICE-UDP Transport Method
• XEP-0184: Message Delivery Receipts
• XEP-0199: XMPP Ping
• XEP-0202: Entity Time
• XEP-0203: Delayed Delivery
• XEP-0221: Data Forms Media Element
• XEP-0231: Bits of Binary
• XEP-0232: Software Information
• XEP-0242: XMPP Client Compliance 2009
• XEP-0245: The /me Command
• XEP-0266: Codecs for Jingle Audio
• XEP-0270: XMPP Compliance Suites 2010

По настоящем два проекта ползват Jreen:

Tomahawk — Социалният медиен плейър

qutIM