Cuis Smalltalk

Copyright © 2009-2026 Juan Vuletich · Cuis Smalltalk

2 min read Original article ↗

The modern Smalltalk-80

Cuis is a free Smalltalk-80 environment with a specific set of goals: being simple and powerful.
It is also portable to any platform, fast and efficient.

Get started

“I like it… It’s nice and clean and simple and pretty. Nice stuff!”

· Source

“Yay, Juan. You GO, guy! …a great example of malleable software (and a clever mind) at work.”

· Source

“I think you have a very elegant design aesthetic.”

· Private communication

More nice comments about Cuis

Latest news

  • 2026-10-01

    Cuis at Smalltalks 2026

    Smalltalks 2026 takes place from October 14 to 16 at the Facultad Regional Rosario of the UTN, in Rosario, Argentina, and Cuis will be there: eight talks of the program come from the Cuis community or show work done in Cuis. We hope to see you all there!

  • 2026-06-02

    July Cuis Meeting

    What. It is a “Demo Meeting” for demonstration then discussion. Milan Lajtos will present his experience on using a code agent to develop Blueprint, a revisit of the Cuis Smalltalk system desktop.

  • 2026-06-01

    Cuis 7.8 release

    Cuis 7.8 stable release!

Older news Subscribe

Latest meeting

  • Website, Dybo and Stream Deck

    Website, Dybo and Stream Deck

    Cristián Pérez presents the redesigned website and Cuis for Stream Deck, his new plugin for controlling Cuis from a Stream Deck. Hilaire Fernandes shows the improvements to the Dybo tools.

    Cristián Pérez & Hilaire Fernandes
    2026-10

Past meetings