Calibre Reaches Its 1.0 Release – an Event 7 Years in the Making

calibre-logoThe ebook library management tool calibre has just hit a major milestone. Kovid Goyal, the lead developer, announced the official release of the 1.0 version of the app yesterday.

Calibre was initially launched in October 2006 at a time when Mr Goyal was still a university student.  It was called libprs500 at the time, and the original goal was quite modest. Kovid wanted to use his newly purchased Sony Reader PRS-500 with his preferred OS, Linux, but the ereader required software that was only available for Windows.

From those humble beginnings libprs500 quickly grew into the best open source ebook management tool anywhere. By the time I encountered it for the first time in early 2007 libprs500 already supported conversion from multiple formats and already had the basics of the ebook management tools it has today. It soon added support for more devices and ebook formats, and as the focus expanded beyond Sony's first ereader Kovid rebranded libprs500 as calibre in mid-2008.

The last major update for this app was about a year ago, and since then contributors have added many new features like:

  • A grid view of book covers
  • A new, faster database backend
  • Virtual Libraries
  • Conversion of Microsoft Word documents
  • New metadata download sources
  • Full support for font embedding
  • An easy to use tool to edit the Table of Contents in ebooks
  • Rewritten PDF Output engine
  • New tool: "Polish books" that allows you to perform various automated cleanup actions on ebooks

Calibre is now actively used by over 3.4 million readers to support an unbelievable number of ereaders and ebooks. It now works with most Android tablets and smartphones, iOS devices, and more ereaders than you can even conceive of.

Congratulations to everyone who's been involved in the development of calibre, and of course, first and foremost congrats to Kovid.

MobileRead

About Nate Hoffelder (11588 Articles)
Nate Hoffelder is the founder and editor of The Digital Reader:"I've been into reading ebooks since forever, but I only got my first ereader in July 2007. Everything quickly spiraled out of control from there. Before I started this blog in January 2010 I covered ebooks, ebook readers, and digital publishing for about 2 years as a part of MobileRead Forums. It's a great community, and being a member is a joy. But I thought I could make something out of how I covered the news for MobileRead, so I started this blog."

2 Comments on Calibre Reaches Its 1.0 Release – an Event 7 Years in the Making

  1. Is “New tool: Polish books” part of the internationalisation effort? 🙂

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