Tuesday, a new open-source CSS animation library
Tuesday, a new open-source CSS animation library launched on August 19, 2015 with 18 votes, #1,404 of 3,588 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.
In plain words
Tuesday is an open-source CSS animation library for developers. It provides pre-built animations that can be applied to web elements through CSS, helping developers add motion to their projects without writing animations from scratch. The library is available for free and open to community contributions, making it a straightforward tool for those looking to implement animations in web development work.
written from the facts on this page · September 2026
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