Colorful clock suite. Resizable clock, alarms, timers, a stopwatch, and a dock clock. Simple and elegant, with each functionality in its own window.
![](/celeritasappshomepage/_app/immutable/assets/ClockSuite.z-irVT5z.png)
Filter Art lets you add filters to your photos or images to get amazing results!
![Filter Art with a filtered image of a playground.](/celeritasappshomepage/_app/immutable/assets/FilterArtPlayground.UbNaju27.png)
![Filter Art with a filtered image of some growing flowers.](/celeritasappshomepage/_app/immutable/assets/FilterArtVenice.C--V4vbF.png)
![Filter Art with a filtered image of canal in Venice.](/celeritasappshomepage/_app/immutable/assets/FilterArtFlowers.YWiVvljr.png)
A colorful and fun large-text clock, with many colors that change with dark mode and light mode, and choices for display of time, date, and day of the week.
![Spiffy Clock with a green to blue gradient background.](/celeritasappshomepage/_app/immutable/assets/SpiffyClockGreenGradient.LWmowFQr.png)
![Spiffy Clock with dark mode red background.](/celeritasappshomepage/_app/immutable/assets/SpiffyClockDarkRed.omdjAiFB.png)
![Spiffy Clock with dark mode purple background.](/celeritasappshomepage/_app/immutable/assets/SpiffyClockDarkPurple.8Phv9O_A.png)
Learn CSS Flexbox the easy way, or refresh your memory with this app as reference.
![Learn flex with the Flexbox container showing.](/celeritasappshomepage/_app/immutable/assets/LearnFlexContainer.g0G9KzcI.png)
![Learn Flex Flexbox container properties.](/celeritasappshomepage/_app/immutable/assets/LearnFlexContainerProperties.owjxgzn-.png)
![Learn flex with the Flexbox container showing with item properties defined.](/celeritasappshomepage/_app/immutable/assets/LearnFlexItems.NqrJQqr6.png)