Sofia-SIP is a SIP user agent library, compliant with the IETF RFC3261 specification. It can be used as a building block for SIP client software for uses such as VoIP, IM, and many other real-time and person-to-person communication services. The primary target platform is GNU/Linux. Sofia-SIP is based on a SIP stack developed at the Nokia Research Center.
SILC Crypto Toolkit (SCT) is a high performance multipurpose cryptographic toolkit for application programmers. It provides ciphers, hash functions, public key cryptosystems, MAC algorithms, multi-precision integers, cryptographic accelerators, an ASN.1 encoder and decoder, and many other features.
SILC Runtime Toolkit (SRT) provides useful utility functions for application programmers. SRT can be used as the main runtime in any application. It provides an application main loop, hash tables, lists, atomic operations, threads, locks, queues, a file descriptor stream, a socket stream, network routines, a finite state machine, a memory pool, a random number generator, buffers, regular expressions, and many other features. It natively supports Unix/Linux, Windows, Mac OS X, and Symbian OS platforms.
The FAAC project includes the AAC encoder FAAC and decoder FAAD2. It supports several MPEG-4 object types (LC, Main, LTP, HE AAC, PS) and file formats (ADTS AAC, raw AAC, MP4), multichannel and gapless en/decoding as well as MP4 metadata tags. The codecs are compatible with standard-compliant audio applications using one or more of these profiles.
LightBlue is a cross-platform Python Bluetooth API for Mac OS X, GNU/Linux, and Python For Series 60. It provides easy programmatic access to device and service discovery, RFCOMM sockets, L2CAP client sockets, sending and receiving files over OBEX, service advertising, and local device information.
Speex is a patent-free compression format designed especially for speech. It is specialized for voice communications at low bit-rates in the 2-45 kbps range. Possible applications include Voice over IP (VoIP), Internet audio streaming, audio books, and archiving of speech data (e.g. voice mail).
NetClassifieds Free Edition is an online classifieds system based on NetClassifieds Standard Edition with all the same features and capabilities but a few limitations. It features ebay-style category selection and picture uploading with dynamic thumbnails when creating new listings, home page featured and category featured Listings, unlimited categories, a method for asking sellers a question, a Make an Offer feature, and more. The Listing Gallery (including "Gallery Featured" and the "Gallery Fee" option), image previews, and the bold listing, highlight listing, and slide show listing option are not included and only 250 active listings are possible.