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View Opposethis's top competitors like Consensus, Debate.org, and DebateIsland.com.

Quizlet
Quizlet is a leading consumer learning brand that builds learning tools to inspire and empower students and teachers. Our team is already supporting a user base of over 60 million active users. We're also among the top 20 U.S. websites and top education apps for iOS and Android - and it's only the beginning. We’re a fast-growing Series C startup, valued at $1 Billion and backed by Union Square Ventures, Costanoa Venture Capital, Icon Ventures, Owl Ventures, Altos Ventures and General Atlantic. With our massive reach and focus on delivering high-quality innovative learning tools, we're having a major global impact on education. Read more at https://quizlet.com/mission. Come join us — we're hiring!
San Francisco, California, US
Private
$92.2M Revenue
https://quizlet.com
454 Employees
Procon
Santa Monica, California, US
Non profit
$1M Revenue
http://www.procon.org
375 Employees
Kialo Inc
Build the best web application for serious discussion and decision-making. Create a space where all of us can have private and public discussions in a friendly, nuanced and balanced way. Visualize all aspects of the most important controversies in an easy to understand manner. Empower people to make this world a more thoughtful one. More background info about our mission can be found in this Financial Times interview with our founder: https://twitter.com/FT/status/956126468635004928
DE
Private
$8.9M Revenue
https://www.kialo.com/
5 Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
g2crowd
G2Crowd Trusted
chromestore
300K+ Plugin Users