Flexjobs has a good variety of jobs and is easily searchable with parameters for work from home positions that would suit people looking for those specifically remote jobs, which is what this aims for.

FlexJobs provides a gateway to the remote work world. While its advertisements generally focus on how it can be used to find remote employment, it is also a great source for developments and information for those who already work remotely.

This is Avery easy service to use, with already vetted job opportunities available. They also have free webinars with companies looking for employees.