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wyDay — premium software development tools for high-tech companies

We make software development, deployment, maintenance, and licensing easier with our high quality products.


LimeLM lets you earn more revenue with our fast, accurate, and secure licensing.

With LimeLM you can offer trials, track conversions, and sell your app in many ways (perpetually, as SaaS, on a per-site basis, etc.)

LimeLM works on Windows, macOS, and Linux and works with every programming language.


Use wyBuild to make update patches and get them to your users fast.

Using the open source updater, wyUpdate, you can update your Windows app no matter what programming language you use.

wyBuild simplifies the entire updating experience.

Trusted by thousands of companies world-wide

wyDay products are trusted by organizations small and large all over the world

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We're in the business of creating the best tools for developers. And to make these great tools we need great developers. Learn more about working for wyDay.

Latest from wyDay blog

We've increased security in LimeLM and in some cases this increased security comes at the expense of usability. This article talks about the necessary trade-offs.

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wyDay is fully compliant with the GDPR (and we welcome these improvements to user protections!)

Read the full article »