PUBLIC MARKS with tags concurrent & "open source"

Kilim is a message-passing framework for Java that provides ultra-lightweight threads and facilities for fast, safe, zero-copy messaging between these threads.

Erjang is a virtual machine for Erlang, which runs on Java

plists is a drop-in replacement for the Erlang module lists, making most list operations parallel. It can operate on each element in parallel, for IO-bound operations, on sublists in parallel, for taking advantage of multi-core machines with CPU-bound operations, and across erlang nodes, for parallizing inside a cluster. It handles errors and node failures. It can be configured, tuned, and tweaked to get optimal performance while minimizing overhead.

Tsung is an open-source multi-protocol distributed load testing tool

Erlaws is a collection of client implementations of Amazon's WebServices offerings. Currently there are clients for S3, SQS and SDB.

Erlectricity exposes Ruby to Erlang and vice versa. It provides a messaging API similar to Erlang's for writing your ruby scripts that interact with erlang

sgte is an Erlang template Engine for generating structured output (code, html web pages, xml, emails, csv files, etc...).

ErlMail is a complete email solution written in Erlang. It contains (or will contain) full RFC compliant SMTP, IMAP and POP clients and servers written in a modular fashion to allow others to use the modules in their own projects.

The aim of this project is to create a development environment for Extreme Programming in Erlang.

EUnit - a Lightweight Unit Testing Framework for Erlang