Programs that allow users to report observations of any taxa are becoming more and more common. We provide links to programs but don't currently work directly with these programs. If you know of a program we're missing, please email lries "at" sesync "dot" org. We'll keep adding more as we find them.
Biodiversity Monitoring and Assessment Project (Egypt)- possibly defunct
There is also a network of "Bioblitzes" that endeavor to catalog as many species from as many taxa as possible in 24 hours. Bioblitzes are not coordinated, but Wikipedia maintains a list of current and past Bioblitz programs.