Wikipedia:Articles for deletion/Basecamp (company) (2nd nomination)
Passes  /  per my  source searches. See source examples below. Note that many of the book sources are paywalled, but I have included those that provide significant coverage in the preview pages. If some of the assessments herein regarding notability are based only upon the state of sourcing in the article, please refer to 
— User:Northamerica1000, 03:05, 5 July 2017 (UTC)
Stance: keep
Cited policy: WP:GNG||WP:CORPDEPTH||WP:BEFORE||WP:NEXIST (Wikipedia:Notability)