collating distributed human activities

• distributed proofreaders

for general tasks

• https://crowdflower.com/
• http://www.mobileworks.com/

specifics

• botanical classification http://herbariaunited.org/atHome.php

for document workflow and transcription →

• https://www.ewordsolutions.com/

for audio transcription →

• https://www.speechpad.com/
• https://castingwords.com/
• more at audio transcription

related; distributed computing