Some top alternatives to Proceed.app includes Synapse, Guru, Zoho Wiki, LearnLode Enterprise and bundleIQ.
No, Proceed.app doesn't provide API.
Yes, Proceed.app provides a mobile app.
Proceed.app is located in Appleton, Wisconsin
Proceed.app offers Free Trial, Subscription, Quotation Based pricing models
The starting price of Proceed.app is $39/Month