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Contra vs Kolabtree

A side-by-side comparison of Contra and Kolabtree — how they pay, where they work, and who they are for.

	Contra A commission-free platform where independent workers showcase portfolios, sell services, and get hired for fle… Visit	Kolabtree A freelance marketplace for scientists and researchers - PhDs and specialists consult on projects from data an… Visit
Type	Freelance sites like Upwork	Freelance sites like Upwork
Category	General Marketplace	Vetted Talent
Vetted	No	Yes
Work from home	Yes	Yes
Fees	0% commission for freelancers	20% commission deducted from project fee
Withdraw via	Bank transfer, Stripe	Bank transfer, PayPal
Availability	Worldwide	Worldwide
Founded	2019	2015
Headquarters	San Francisco, California, United States	London, United Kingdom
Popularity	23 views · 0 likes	31 views · 0 likes