sHOWCASE Your publications.

  • Your books on your own customised site.
  • Secure. Searchable. Up-to-date.
  • The modern solution for catalogues, BLADs and bookfairs.
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Better InDesign files and exports.

  • Correct, complete & consistent InDesign files every time
  • Publisher specific workflow checks and tools
  • Common settings & exports for coworkers and freelancers
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BeTter ebooks without coding.

  • Print replica fixed layout ebooks with added interactivity
  • Stylish reflowable ebooks with modern accessibility features
  • Automatic 'read aloud' media overlays and audiobooks
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your Books. On The Web. on Your terms.

  • Securely embed any publications into the sites of your choice
  • Share chosen sample pages and spreads out to social media
  • Fully searchable, structured and accessible
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Trusted by major Publishers.

USED to produce & present many thousands of print books & Ebooks.

Claudia McCue
Author of Real World Print Production

GreenLight is taking preflight to the next level … in publication groups that need to standardize document creation and avoid costly mistakes. GreenLight goes well beyond InDesign’s built-in preflight.”

Helen Wicks
Executive Director at Bonnier Books UK

"BookShelf is a more environmentally friendly and time efficient way to sell. It has been an enormous success for us."

Leonora Bulbeck
Usborne Publishing

"Adding audio hotspots using CircularFLO was a piece of cake so thank you very much"

Keith Gilbert
Consultant. Educator. Speaker. Author.

“I really like MasterPlan … A game-changer for publishers!”

Tony Seddon
Freelance graphic designer and writer

“I have to say that GreenLight is a very good bit of kit and I’m impressed with what it can do. It’s definitely an enhancement to the production process rather than an extra layer of work.”

Kirsty Davison
Publishing Manager at Bonnier Books UK

"BookShelf is a whole new way of selling to customers in a much more streamlined and professional looking way than just showing PDFs”

Tina Henderson
Expert typesetter,
production artist, designer

“I was sure CircularFLO was the right choice for my photobook, and I was not disappointed. Placing my web code (Hype animation) was easy: just a few simple clicks. And superb customer service!”

Chad Chelius
Adobe Certified Instructor

"MasterPlan offers us a secure new way to present, search and share publications online."

James Carey
Director of Publishing
Operations, UK at Quarto

"By introducing GreenLight into Quarto’s workflow we have been able to save money at the same time as improving and streamlining how we create and manage our book content."

Mike Rankin
Editor in Chief of
InDesign Magazine

MasterPlan from Circular Software is a truly robust solution for digital publishing.”

Kieran Hood
Design and Development Manager at Bonnier Books UK

"BookShelf is really simple to use … when I show designers, they’re surprised at how easy it is."

William Fallon
UX Architect & Designer

“I can honestly say I think CircularFLO is an absolutely great product.”

Nicola Price
Art Director at Wide Eyed Editions

GreenLight gives me the confidence that all the files my team work on in-house, or share and receive from freelancers, are set up correctly and print ready, before I send them to production.”

Salvo Lavis
Spitball Studio

“We owe a lot to CircularFLO. It enabled our transition from InDesign layout to a solid ePub and Kindle file.”

Alison Lapp
Rights & Digital Accounts Manager at Kids Can Press

BookShelf is a fantastic tool for pitching titles to our international publishing partners.”

Anne-Marie Concepción
CreativePro Network

“I wouldn’t hesitate to use CircularFLO for my next fixed-layout EPUB project.”

Danielle Mulhall
Cross Media Specialist

“The back-end for our BookShelf site is SUPER easy to use, very intuitive….”

Berenice Smith
Hello Lovely design

"CircularFLO enabled me to quickly produce a fixed format ebook from a complicated design for a client at short notice. It saved me time and was really easy to use.“

Sign up as a free member to get started with Circular Software.