Project Summary
JGroups is a toolkit for reliable multicast communication. (Note that this doesn't necessarily mean IP Multicast, JGroups can also use transports such as TCP).
It can be used to create groups of processes whose members can send messages to each other. The main features include
* Group creation and deletion. Group members can be spread across LANs or WANs
* Joining and leaving of groups
* Membership detection and notification about joined/left/crashed members
* Detection and removal of crashed members
* Sending and receiving of member-to-group messages (point-to-multipoint)
* Sending and receiving of member-to-member messages (point-to-point)
In a Nutshell, JGroups...
- ...
- ...
-
...
has a well established, mature codebase
maintained by a large development team
with increasing Y-O-Y commits -
...
took an estimated 34 years of effort (COCOMO model)
starting with its first commit in September, 2003
ending with its most recent commit 1 day ago
Quick Reference
Apache License 2.0
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
State Changes
Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
-
...
use of OSS increased in 65% of companies in 2016
-
...
check out hot projects on the Open Hub
-
...
55% of companies leverage OSS for production infrastructure
-
...
compare projects before you chose one to use
30 Day SummaryAug 10 2025 — Sep 9 2025
|
12 Month SummarySep 9 2024 — Sep 9 2025
|
