Alternatives to Calibre for all platforms with any license

Platforms

Show 9 less popular platforms
  • Gtmetrix icon

    Gtmetrix

    GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable...

    Free Web / Cloud

    No features added Add a feature
  • Yahoo! YSlow icon

    Yahoo! YSlow

    YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with...

    Open Source Mac Windows Linux Firebug Chrome ... Safari Opera Firefox

    No features added Add a feature
  • WebPagetest icon

    WebPagetest

    Run a free website speed test from multiple locations around the globe using real browsers (Firefox, IE, Chrome, Android and iOS) and at real consumer connection speeds....

    Open Source Web / Cloud

    No features added Add a feature
  • DareBoost icon

    DareBoost

    DareBoost is an online tool to test, analyze and monitor your website: speed, SEO, quality, security. All you need for website optimization in a single service.

    Freemium Web / Cloud

    No features added Add a feature
  • Web Page Test icon

    Web Page Test

    Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.

    Free Personal Web / Cloud

    No features added Add a feature

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