1)   Prestwood Load Balancer 1.02
The Prestwood Load Balancer is a cross-web server, cross-platform web request dispatcher that distributes direct HTTP calls to various web servers, based on the total number of pending requests to each server and the average response time.
load balancing, web server, web servers, request dispatcher, scalability, reduce overhead,

 2)   ScimoreDB Embedded Database 2.0
ScimoreDB Embedded database is in-process running SQL database with over 375.000 deployments that has a small memory footprint, easy-to-use interface and yet a full set of standard client/server database features.
scimore, ScimoreDB, RDBMS, embedded, free, database, mvcc, SQL, ANSI SQL98, Web,

 3)   vPerformer 3.0
vPerformer is a load and performance testing product for web applications. vPerformer reveals the behavior of your web application when it is subject to a large load.
load testing, performance testing, automated testing, quality assurance, scalability, software testing, software quality assurance,

 4)   Lexst Database Cluster 1.1
Huge, No matter how many rows(even 100 million or more) in your table, LEXST Database Cluster returns the resluts in 0.5 second.
Big Database, Cluster, Ha, High Availability, failover, Scalability,