MetaSurvey - MetaSurvey provides light and high engagement surveys for e-commerce.
ManualsLib - Just enter the keywords in the search field and find what you are looking for!
OpenStartup.dev - A collection of open startups
Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
Waves Insights - Consumer Insights SDK for Messaging Platforms
Manuzoid - Repository that includes user manuals for various products