My company at this moment have two SaaS web projects for worldwide use.
2dosend.com is a free service for everyone, who wants to safe his privacy, stop spam and still be free to contact!
2dosend is a great solution for people and companies who have to publish their contact on the web or at real world - street ads, news papers, journals, auto, or any equipment or even on T-shirt.
Using embedded QR codes of your 2dosend at real world on your equipment you can receive messages from everyone.
In development are some great features for companies.
Service is multilanguage ready as its predecessor - SaaS for moving companies - ungerware.biz/tform - which is also great candidate for investment or donations, because it helps startups in moving business around the globe to present better services.