Crowdsource is described as 'Answer fun and easy questions that make a huge impact and level up with achievement badges and perks along the way! Your voluntary contributions make Google products better in your part of the world'. There are six alternatives to Crowdsource for the Web. The best alternative is Caption Bot, which is both free and Open Source. Other great apps like Crowdsource are Book Tag (Free), ARTigo (Free), Ships Tag (Free) and MetaData Games (Free).
- 6 alternatives