Here is an overview of main management models out there.
For an explanation check out: What kind of Organization do modern Companies aspire to be?.
Sociocracy for All: A well-maintained site of Sociocracy resources.
Reinventing Organizations wiki: Provides details into the inner working of Management in the Digital Age, based on Frederic Laloux Holacracy model.
Lean Startup Movement: The basic principle of companies going digital no matter which sector they are in can be found in. Eric Rees, who is credited with being the first one write about this subject in a holistic, insightful manner has curated a book series on this topic. I especially suggest reading the “Lean Startup” and “Lean Enterprise”.
Google Re:work: A site promoting Googles management practices. The major focus is on HR, but there is some advice on team management, too.
Reimagining the Office: An excellent New York time article series of 2016 explaining why and how we need to change the way we run companies.
Purposeful Organizations: Tom Nixon came up with this useful Canvas to sketch out the high-level pillar of his vision of self-managed organizations. See also his post “3 steps for developing purposeful organizations“. Tom is currently working on “Maptio” – an App for purposeful organizations.
The Agile Fluency Model: A 4 stage model for integrating Agile practices in companies. Made by Agile practitioners.