Optimizely vs Slack

Unbiased reviews from our professional community. A complete perspective on vendors based on user input.
Optimizely
Based on 7 reviews.
Slack
Based on 67 reviews.
Latest Research
Overview
Information Not Available
Slack is a team collaboration tool co-founded by Stewart Butterfield, Eric Costello, Cal Henderson, and Serguei Mourachov. The company originally raised nearly $43 million in April 2014. In March 2015, Slack signed a deal with investors to raise up to $160 million in a funding round that values the company at $2.76 billion. New investors include Institutional Venture Partners, Horizons Ventures, Index Ventures and DST Global.
Sample Customers
Slack
Strava, The New York Times, Spotify, Blue Bottle Coffee Company, Eventbrite, Box, Circa, Stripe
Popular Solutions
Top Industries
Computer Software Company
19%
Retailer
12%
Comms Service Provider
8%
Financial Services Firm
7%
Educational Organization
81%
Computer Software Company
4%
Financial Services Firm
3%
Comms Service Provider
2%
Quotes From Member Reviews
We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
Most Helpful Reviews
Review 1 of 1
Customer Service
Review 1 of 30
Technical Support
No Data Available
No Data Available
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