If you want to support the development cost of these softwares please refer to the Registration page.
Some users have reported that modern browsers may block the download of Vega and Orion, marking them as potentially unsafe. This is due to the security settings of your browser or antivirus software and has nothing to do with Vega or Orion, which are safe to use. To proceed with the download, please look up how to allow downloads in the browser you are currently using.
In order to run the pairing engine JaVaFo ( (c) IA Roberto Ricca) the user needs to install a Java Runtime Environment (JRE) at least version 7. If you do not intend to use JaVaFo the JRE is not necessary.
Each version comes as freeware (online services and some feature are disabled). The registered users will unlock the potentiality of the program according to the license. However not essential online service could still be offered for an additional fee. Please have a look at the user manual and the Registration page for further details.
Here is the link to download the version prior 1 February 2026 (Vega 11.1.5)
Windows
Supported Windows 10 and higher.
- Vega+VegaTeam 64 bit (requires Java 64 bit) Free up to 20 players
- Orion 64 bit (requires Java 64 bit) Free up to 6 Teams
Mac OS X
developed and tested on Monterey and reported to work with more recent version (not tested on previous version). Install the whole Java JDK to use the pairing engine javafo.
Linux
The Linux version has no limitations in number of rounds or players and is FREE. It is free to allow passionate chess players around the world and in financial difficulty to run chess events with an endorsed FIDE program. If you use this version for a different reason please consider applying for a license to support the development costs. The Linux version CANNOT be used under an emulator running in Windows/MacOS. Tested and developed with Fedora 41 (others distro may require the installation of additional libraries, in particular mysqllibclient-dev, and I cannot offer support in case it does not run). Please verify how run the software on your Linux distro before to ask a registration key.
- Vega+VegaTeam 64 bit (requires Java 64 bit)
- Orion 64 bit (requires Java 64 bit) (free up 6 teams)
User Manual
Vega+VegaTeam
- User Manual Vega 12 (English)
- User Manual Vega 12 (Italian)
- User Manual Vega 11 (Spanish) (courtesy of Antonio Perez Trapero)
- User Manual Vega 11 (Spanish) (official version for Spanish Federation, FEDA, and info64.org site)
Orion