Proof
quantamagazine.org
Illuminating mathematics, physics, biology and computer science research through public service journalism.
31,071 
$ 432,000.00
readnotify.com
Users get free return email notifications, and/or SMS/ICQ instant messages when email they've sent gets opened, and can track their emails reading history
287,922 $ 28,620.00
toutsurlebitcoin.fr
Retrouvez tout sur le Bitcoin, les Altcoins ainsi que sur la Blockchain sur laquelle s'appuient ces crypto monnaies
3,780,368 $ 240.00
gogeometry.com
Go Geometry is a free educational website that offers a variety of resources for teaching and learning about geometry. iPad Pro Apps, Software. Tutoring, Tutorial, Tutor. The...
550,176 $ 2,160.00
pageproof.com
PageProof: Review and approval online proofing system. Review Adobe PDF artwork, presentations, video, wordpress, websites and web banners.
321,432 $ 25,380.00