Free childrens software for linux

Domino Blast project is a physics-based driving/demolition game with a childrens toys theme.

Domino Blast is a hybrid driving and destruction game with a childrens toys theme. Its environments consist of buildings constructed from domino tiles and a player-controllable toy car. The objective of the game is to wreak as much havoc as possible, within a time limit.

Its game-play is simplistic yet satisfying; similar to the satisfaction gained from watching a tumbling Jenga tower, except the objective is to tumble the tower, rather than slowly deconstruct it. As the game progresses, levels become more dense and the buildings that inhabit them become larger and more complex.

Focus/SIS is a student information system used to manage schools and districts and their student-related data. It allows teachers to take attendance online and includes an online gradebook for teachers.
It also tracks discipline, prints report cards, transcripts, form letters, etc., and produces essential student and state reports. Focus/SIS project offers a free alternative to commercial systems such as Powerschool and SASI.
Main features:
- Web-based interface
- Infinite Scalability
- Easy Reporting, Exporting, and State Report creation
Smart Student Data
Define the data your school or district needs to track. Be empowered to search and report on any student data.
Simplify Grading
Focus/SIS includes a web-based gradebook for teachers. Teachers can do their grades from home, and dont need to import the students in their classes. At the end of each term, final grades can be calculated automatically by the gradebook, or teachers can enter grades by hand. Focus/SIS produces report cards, transcripts, and calculates GPA and class rank.
Powerful Reporting
Use your data effectively. Create custom reports, in the format you need. Focus/SIS creates visual reports, Excel reports, and PDFs designed by you. Printed reports can include any student data, and even school logos.
Power to the People
Parents, Teachers, Students, and Administrators are given access to the data they need to do their jobs effectively. From any computer with internet access, any parent can check on their childrens grades, teachers can submit the days attendance, and school administrators can generate state and district reports.

HA-Proxy is a TCP/HTTP reverse proxy which is particularly suited for high
availability environments. Indeed, it can :
- route HTTP requests depending on statically assigned cookies ;
- spread the load among several servers while assuring server persistence through the use of HTTP cookies ;
- switch to backup servers in the event a main one fails ;
- accept connections to special ports dedicated to service monitoring ;
- stop accepting connections without breaking existing ones ;
- add/modify/delete HTTP headers both ways ;
- block requests matching a particular pattern ;
It needs very little resource. HAproxy it is event-driven architecture allows it to easily
handle thousands of simultaneous connections on hundreds of instances without risking the systems stability.
Start parameters
There are only a few command line options :
-f < configuration file >
-n < high limit for the total number of simultaneous connections >
-N < high limit for the per-proxy number of simultaneous connections >
-d starts in foregreound with debugging mode enabled
-D starts in daemon mode
-q disable messages on output
-V displays messages on output even when -q or quiet are specified.
-c only checks config file and exits with code 0 if no error was found, or exits with code 1 if a syntax error was found.
-p < pidfile > asks the process to write down each of its childrens pids to this file in daemon mode.
-s shows statistics (only if compiled in)
-l shows even more statistics (implies -s)
The maximal number of connections per proxy is used as the default parameter for each instance for which the maxconn paramter is not set in the listen section.
The maximal number of total connections limits the number of connections used by the whole process if the maxconn parameter is not set in the global section.
The debugging mode has the same effect as the debug option in the global section. When the proxy runs in this mode, it dumps every connections, disconnections, timestamps, and HTTP headers to stdout. This should NEVER be used in an init script since it will prevent the system from starting up.
Statistics are only available if compiled in with the STATTIME option. Its only used during code optimization phases.
Enhancements:
- Content switching is now fully operational using ACLs.
- ACLs can look for matches in path and headers in addition to previously supported criteria.
- Integer comparison is now supported for header values. 15 pre-defined ACLs are provided.
- Error pages can be customized using external files.
- Several bugs have been fixed.
- This version will be maintained as a stable one during further development.

Linux Letters and Numbers project is an educational childrens game for linux.
Linux Letters and Number is a fun and educational learning game intended for children 2 and up.
It helps children learn or improve their letters, numbers, spelling, and vocabulary skills through the use of interesting pictures.
It also helps them develop important computer skills too.
It is written in C using the GTK and GDK_Imlib libraries.
Main features:
- Extensible - add new images yourself without having to make changes to the program. With support for gdk_imlib, you can now use common image formats, including common formats like gif, jpeg, xpm, png, and tiff.
- Dynamic - each letter or number can be represented by numerous pictures, each being displayed randomly.
- Flexible - you can even have more than one picture for a given word, by using a simple versioning scheme (ie Apple.1.xpm, Apple.2.xpm)
- Interesting - because you can change the game, its different every time!

Vector Visuals provides an easy-to-use, object-based API for creating and manipulating Java2D-rendered shapes and images. The project features object embedding, dynamic connectors, and multithreaded task support.
Vector Visuals has been downloaded thousands of times, and is already in use in a variety of applications. A few that we know of are a business ontology viewer, a particle simulator, and a childrens e-book builder.
Enhancements:
- This release of is a combination of bugfixes and new features.
- Persistence delegates were added for all of the Vector Visuals objects.
- The examples were moved out into their own source folder.
- Additionally, the entire product is now licensed under a permissive "New BSD"-style license.

TappyTux is a childrens educational games suite. TappyTux originally started as a childrens typing tutor, but it has evolved a modular architecture which allows many types of educational games to be played on the same engine. It has been highly optimized for use on remote displays.
The game is Free Software, and all the artwork and sound are under GPL compatible creative-commons licenses.
It is fun and addictive, and although it is meant for children, many adults have told me they Love it too. Version 2 takes it to the next level however, the interface and game code had a massive overhaul, sound and music support was improved and the game was modularised to allow many different game types to be played on the same engine.
The current version ships with two modules, tappywords (a typing tutor) and tappymath (an algebra game). Writing new modules is really easy so even a beginner programmer could add more.
The game is designed to work well in a thin-client lab, and as of this release, is based on GTK2, improving not just the look and feel but also the internationalisation support.
Enhancements:
- Fixed text layout bug.
- Halved game-speeds based on feedback from teachers.
- Merged tappywords into main tappytux codebase for performance reasons maintaing full module compatiblity for other modules.
- Added Itallian Wordlist provided by DidaTux project
- Refresh Score+Levels on "Play Again" fixed
- Added score bonus if you choose a higher starting level
- Game made scalable to work well on multiple resolutions
- SoundFX+Music clash bug fixed
- Font support in snowmen now at 28pt size colourized
- More realistic level speed-ups
- Changed "Unpause" to "Play"
- Improved launcher layout
- Delete wordlist option added to wordeditor
- New sound effect on 1-up
- The game is now faster and more resource friendly
- Better user-interaction
- Unified binary
- Improved internationalization support
- Module evolutions