Working at home as a freelancer in your chosen field has many benefits. Freelancing allows you to set your own dress code and hours; it also take you away from office politics.  

The downside for some is that they will not have a steady job. However, interacting with many different projects will give you flexibility and stability. You will not be as vulnerable as an employee.

The following are websites which offer freelance opportunities in various fields:-

Freelancer

Freelancer.com is one of the largest freelancing sites.

It has many categories, including writing, software development, accounting, etc.

Upwork

Upwork offers many freelance jobs and is one of the best places to start your freelance career. Setting up an account is reasonably straightforward; you can start earning. Do you have skills in programming, writing, translating and various areas of IT? If so, you should find Upwork useful.  

Fiverr

Fiverr has an enormous number of categories in which to sell your services. Such as voice-over artists, designers, website builders, video/audio and graphic design. 

Rates start at $5 per hour but increase considerably depending on your skills and reviews.

Odeskwork

Odeskwork offers jobs in many categories. These include Web developers, translation services, sales and marketing. In addition, they offer engineering, accounting and writer assignments.  

Guru

Guru.com offers a large network of opportunities for freelancing.

Their range spans from translators to programmers and from game developers to attorneys.