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CSS Reference vs Spare5

A side-by-side look at CSS Reference and Spare5. For an in-depth review of either product, follow the links below.

CSS Reference

CSS Reference

Development

CSS Reference is a free web-based reference for Cascading Style Sheets (CSS) covering the latest web standards. It provides a quick and interactive guide to all common CSS properties and definitions, along with examples.

cssweb-designstyle-sheets
Spare5

Spare5

Online Services

Spare5 is a microtask platform that pays users to complete simple online tasks like labeling images, data validation, and content moderation. It connects businesses in need of human intelligence to complete tasks with a distributed workforce willing to complete microtasks for pay.

microtaskscontent-moderationdata-validationimage-labelingcrowdsourcing