Here are 10 platforms where you can earn money by performing various tasks:

Amazon Mechanical Turk: An online marketplace that offers microtasks, such as data entry, content moderation, and surveys, for which you can earn money.

Clickworker: Similar to Amazon Mechanical Turk, Clickworker provides a platform for completing microtasks like data categorization, content creation, and web research.

TaskRabbit: TaskRabbit connects people who need tasks done with individuals in their local area who can complete those tasks, such as handyman services, cleaning, delivery, or virtual assistance.

Upwork: A popular freelancing platform where you can offer services in areas like writing, graphic design, programming, marketing, and more. Clients post jobs, and you can bid on them to earn money.

Fiverr: Fiverr allows you to create gigs offering your skills and services, starting at $5 and going up based on the complexity and value you provide. Services range from graphic design to video editing, writing, and more.

Swagbucks: Swagbucks offers various ways to earn money, including taking surveys, watching videos, playing games, and shopping online. You earn points (Swagbucks) that can be redeemed for cash or gift cards.

UserTesting: UserTesting pays you to test websites and apps by providing feedback on usability and user experience. You record your screen and voice as you navigate through assigned tasks.

Field Agent: Field Agent allows you to earn money by completing small tasks and market research assignments in your area, such as checking product displays in stores or taking photos.

Gigwalk: Gigwalk offers paid gigs that require you to complete specific tasks in your local area, such as verifying product pricing or conducting store audits.

Spare5: Spare5 offers small tasks, such as image annotation, data categorization, and content moderation, which you can complete in your spare time to earn money.

Remember that the earning potential and available tasks may vary on these platforms. It's important to review each platform's terms, payment methods, and user reviews to determine which ones align best with your skills and preferences.