There are always people in a team who are working on some part of a product for the first time and are newbees there.
They could make typical mistakes without being supervised and mentored by experts in related parts of the product.
These mistakes could be easily prevented by improved knowledge sharing flow.
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Product owners
Reducing costs on knowledge management processes
Better prediction of costs for new project/feature
Project managers
Management of knowledge/expertise retention risks
Assigning tasks to proper team members
Developers
Easy way to find an expert for a specific topic when team is big
View of personal code metrics and a way to compare them with other team members
Open Source
50 collaborators
5 public repositories
Extra collaborators
Extra repositories
No trial, it is free
Email and messanging support
Pro Teams
20 collaborators
5 repositories
$5/extra collaborator
$10/extra repository
Free trial for 21 days
Priority email and messanging support
99Enterprise
50 collaborators
10 repositories
$4/extra collaborator
$10/extra repository
Free trial for 21 days
Priority email and messanging support