1. Upwork
Features: Upwork is a large freelancing platform offering jobs in web development, content writing, design, marketing, data science, and more.
Payment System: Secure payments, time-tracking tools, and contract-based jobs.
Best For: Both beginners and experienced freelancers.

2. Fiverr
Features: Fiverr follows a "gig economy" model where freelancers list their services, and clients can hire them.
Payment System: Payment is based on gigs, and freelancers can set their own rates.
Best For: Beginners looking for small projects to start freelancing.

3. Workcroft
Features: A growing freelancing platform that provides job opportunities in various fields.
Payment System: Direct client-freelancer communication.
Best For: Both new and experienced freelancers looking for fresh opportunities.

4. Toptal
Features: A premium platform that accepts only the top 3% of freelancers, mainly developers, designers, and finance experts.
Payment System: Direct access to high-paying clients.
Best For: Highly skilled and experienced professionals.

5. PeoplePerHour
Features: A platform that allows freelancers to charge clients on an hourly basis.
Payment System: Secure escrow payment system.
Best For: Freelancers looking for short-term or hourly-based projects.

6. Freelancer
Features: This platform is great for both small and large projects, offering opportunities for professionals with different skill levels.
Payment System: A bidding system where freelancers submit proposals to clients.
Best For: Competitive environment, but a strong profile and portfolio increase chances of getting hired.

Conclusion:
Choosing the right freelance platform depends on your skills, experience, and preferred work style.
Upwork and Freelancer are great for all levels.
Fiverr is perfect for beginners offering small gigs.
Workcroft is a rising platform with fewer competitors and more job opportunities.
Toptal is ideal for experienced professionals seeking high-end clients.