Gtk-Gnutella is a full-featured Gnutella client using GTK+. It contains all widely deployed Gnutella features, including DHT support. It is extremely efficient, using little CPU time and memory. It is meant to be left running 24x7. It is fully compatible with UPnP and NAT-PMP, and as such is easy to use behind a firewall supporting one of these port mapping technologies.
Jackbeat is a multi-platform audio sequencer for musicians and sound artists. Featuring a drum machine interface with animations for easy and playful editing, it is built for both composition and live setups with high interactivity needs. It is extremely easy to use yet powerful via connecting with other applications and plugins using JACK and OSC. Jackbeat loads and saves .jab files, Jackbeat's xml+tar open file format, and supports CoreAudio, ASIO, ALSA, PulseAudio, and JACK.
jabberd is a Jabber/XMPP instant messaging server. It implements XMPP-Core (RFC3920), XMPP-IM (RFC3921), and a range of protocol extensions: XEP-0012, XEP-0016, XEP-0030, XEP-0049, XEP-0054, XEP-0077, XEP-0079, XEP-0092, XEP-0114, XEP-0138, XEP-0153, XEP-0157, XEP-0160, XEP-0191, XEP-0192, XEP-0193, XEP-0198, XEP-0199, XEP-0202, XEP-0203.
cclite is a lightweight implementation of a community currency registry for local exchange trading systems (LETS) and other alternative money systems. It uses multi-registry, multi-currency, Web-services-based (SOAP) transactions, and is templated to give multi-lingual properties. As of 2009, it has an SMS interface and versions for Debian, cpanel-based, Fedora and Windows XP. As of 2012 it has decimal currencies, templates for many languages, and a REST-style interface for integration with CMS and social networking software.
QP is a family of lightweight and portable frameworks for modeling and coding UML state machines in C or C++. Designed for real-time embedded systems, QP can replace an RTOS or work with one. It has been ported to many MCUs (ARM Cortex-M3/M0, ARM7/9, MSP430, TMS320C28x, AVR, PIC18/PIC24/dsPIC, M16C/R8C, H8, 68HC08, ColdFire, PSoC, NiosII, 8051/80251, PSoC) and OSs (Linux/POSIX, Win32, VxWorks, QNX, ThreadX, uC/OS-II).
Gow (GNU On Windows) is a lightweight alternative to Cygwin. It uses a convenient Windows installer that installs about 130 extremely useful open source Unix applications compiled as native Win32 binaries. It is designed to be as small as possible, about 10 MB, as opposed to Cygwin which can run well over 100 MB depending upon options.
The dotCMS eCommerce Accelerator merges KonaKart’s shopping cart capabilities with dotCMS’ flexible and powerful WCM. The Accelerator wraps eCommerce functionality within the WCM templates, providing a common UI experience as a shopper moves from information-heavy pages to transactional pages. It features pre-built templates, structures, and applications, best seller and latest product lists for each category, product reviews and ratings, cross-sell and up-sell prompts, and check out configuration; with or without registration.