Flex : A tool for generating programs that recognize lexical patterns in text

Flex is a tool for generating programs that recognize lexical patterns in text. There are many applications for Flex, including writing compilers in conjunction with GNU Bison. Flex is a free implementation of the well known Lex program. It features a Lex compatibility mode, and also provides several new features such as exclusive start conditions.

• Licenses : BSD Revised, GPL, BSD Original

Poppler : A PDF rendering library derived from xpdf

Poppler is a PDF rendering library derived from xpdf. It has been enhanced to utilize modern libraries. It also provides basic command line utilities.

• Licenses : GPL
• Operating Systems : Unix, POSIX
• Implementation : C++

Aegisub : An advanced subtitle editor that assists in the creation of subtitles, translations, and complex overlays using audio or video

Aegisub is an advanced subtitle editor that assists in the creation of subtitles, translations, and complex overlays using audio or video. Developed by enthusiasts it builds on workflows created and perfected through professional, hobby, and everyday use.

• Licenses : BSD Original
• Operating Systems : Windows, Unix, Mac OS X
• Implementation : C++, C

FeelHome connects your computer to the Internet and lets you access your files and folders from any Web browser around the world. You can navigate into your remote hard drive and get, save, or share your files.

• Licenses : GPLv2
• Operating Systems : Linux, Windows, Mac OS X
• Implementation : C++, Qt

DSPAM : A server-side statistical anti-spam agent for Unix email servers

DSPAM is a server-side statistical anti-spam agent for Unix email servers. It masquerades as the email server's local delivery agent and effectively filters spam using a combination of de-obfuscation techniques, specialized algorithms, and statistical analysis. The result is an administratively maintenance-free, self-learning anti-spam tool. DSPAM has yielded real-world success rates beyond 99.9% accuracy with less than a 0.01% chance of false positives.

• Licenses : GPL
• Operating Systems : Unix
• Implementation : C

Mumble : Low-latency, high quality voice chat software primarily intended for use while gaming

Mumble is low-latency, high quality voice chat software primarily intended for use while gaming. It should compile and run the client out of the box on at least Ubuntu 6.06, and quite likely other distributions as well.

• Licenses : BSD Revised, GPL
• Operating Systems : Windows, POSIX, Linux
• Implementation : C++

OCRopus : A state-of-the-art document analysis and OCR system

OCRopus(tm) is a state-of-the-art document analysis and OCR system, featuring pluggable layout analysis, pluggable character recognition, statistical natural language modeling, and multi-lingual capabilities.

The OCRopus engine is based on two research projects: a high-performance handwriting recognizer developed in the mid-90's and deployed by the US Census bureau, and novel high-performance layout analysis methods.

OCRopus is development is sponsored by Google and is initially intended for high-throughput, high-volume document conversion efforts. We expect that it will also be an excellent OCR system for many other applications.

Conchart : A tool to visualize the timing of network connections

Conchart is a tool to visualize the timing of network connections. It reads a pcap file to generate an SVG file. It will show the sent and received data as colored areas, which will allow an aid in network troubleshooting.

• Licenses : GPLv3
• Operating Systems : POSIX
• Implementation : C++

WP Clipart : An attempt to make a useful clip art package of public domain images for use in word processors

WP Clipart is an attempt to make a useful clip art package of public domain images for use in word processors. It includes an optional cross-platform viewer/editor written with Python/GTK. The collection contains primarily non-transparent PNG images, mid-tones expanded and large shadow areas minimized (to prevent blocking-up) for inkjet print quality. It is suitable for documents as well as Web graphics, but also has business application. Its primary focus is for educational use (pictures of all US presidents, all country flags alphabetically listed, all US states, historical figures, a sign language alphabet, and a large American history section.)

Likewise Open : Joins Linux, Unix, and Mac OS machines to Microsoft Active Directory and securely authenticates users with their domain credentials

Likewise Open is an application that joins Linux, Unix, and Mac OS machines to Microsoft Active Directory and securely authenticates users with their domain credentials. Features include: joining non-Windows systems to Active Directory domains in a single step from the command line or from a GUI; authenticating users with a single user name and password; enforcing the same password policies for all platforms; supporting multiple forests with one-way and two-way cross forest trusts; caching credentials in case your domain controller goes down; and providing single sign-on for SSH and Putty. It does not require Active Directory schema changes for installation.

• Licenses : GPL GPLv2
• Operating Systems : Mac OS X, Windows, Unix