NexentaStor leverages the ZFS file system and is optimized for use in 2nd-tier NAS and iSCSI applications

NexentaStor leverages the ZFS file system and is optimized for use in 2nd-tier NAS and iSCSI applications requiring open, low cost, high performance storage as well as dramatically simplified provisioning, expansion, backup, replication, and archiving. It is also used as a primary NAS in businesses that wish to expand at closer to commodity pricing. It supports unlimited snapshots, snapshot mirroring (replication), block level mirroring, integrated search, and easy management of extremely large storage pools.

• Operating Systems : Unix

FSVS : used for backing up, restoring, versioning, and system configuration management, using a Subversion repository as the backend

FSVS is the abbreviation for "Fast System VerSioning", and is pronounced [fisvis]. It is used for backing up, restoring, versioning, and system configuration management, using a Subversion repository as the backend.

• Licenses : GPL
• Operating Systems : POSIX, BSD, FreeBSD, Mac OS X, Linux
• Implementation : C

MacPorts makes the world of open source software available to your Mac

MacPorts makes the world of open source software available to your Mac. There are over 5600 software titles ("ports"), each one installable with a single command. This is probably the biggest, most up to date open source software collection for Mac OS X. MacPorts works much like the ports collections of the major BSD operating systems.

• Licenses : BSD Revised
• Operating Systems : Mac OS X
• Implementation : C, Tcl

BalanceNG : A modern software IP load balancing solution

BalanceNG is a modern software IP load balancing solution. It is small, fast, and easy to use and setup. It offers session persistence, different distribution methods (Round Robin, Random, Weighted Random, Least Session, Least Bandwidth, Hash, Agent, and Randomized Agent) and a customizable UDP health check agent in source code. It supports VRRP to set up high availability configurations on multiple nodes. It supports SNMP, integrating the BALANCENG-MIB with Net-SNMPD. It implements a very fast in-memory IP-to-location database, allowing powerful location-based server load-balancing.

• Operating Systems : Linux, Solaris
• Implementation : C