Keep in mind that the popularity and effectiveness of these platforms may evolve:

1. Upwork (upwork.com):

Upwork is a freelance platform that connects clients with freelancers in various fields, including writing, graphic design, programming, marketing, and more.

2. Remote OK (remoteok.io):

Remote OK is a job board specifically focused on remote opportunities. It aggregates remote job listings from various sources and covers a wide range of industries.

FlexJobs (flexjobs.com): FlexJobs is a subscription-based job board that specializes in remote and flexible job opportunities. It screens and curates job listings to ensure their legitimacy.

3. We Work Remotely (weworkremotely.com):

This job board is dedicated to remote work positions across different industries, including programming, marketing, customer support, and more.

4. LinkedIn (linkedin.com):

LinkedIn is a professional networking platform that also features a job search function. You can use filters to specifically search for remote job opportunities.

Please note that the effectiveness of these platforms may vary based on your skills, industry, and location. Always be cautious when applying for remote positions and verify the legitimacy of job postings to avoid potential scams. Additionally, since my information is accurate as of January 2024, it’s advisable to check the latest reviews and updates for these platforms to ensure they meet your current needs.