
Delivers structured data science and coding courses with interactive playgrounds, but focuses heavily on data analytics rather than general software engineering.
Coddy records 7,478,457 monthly visits with +17.8% month-over-month growth and Freemium pricing. Windmill (Windy) records 24,480 monthly visits with +20.6% growth and Contact for Pricing pricing.

AI performance reviews grounded in your team's actual work
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | coddy.tech | gowindmill.com |
| Pricing Model | Freemium | Contact for Pricing |
| Monthly Visits | 7.48M (7,478,457) | 24.48K (24,480) |
| MoM Traffic Delta | +1.13M (+17.8%) | +4.18K (+20.6%) |
| Primary Market & Share | 🇺🇸 United States (15.4%) | 🇺🇸 United States (73.4%) |
| Direct Visits / mo | 3.13M | 9.98K |
| User Rating | 4.3 | 4.4 |
| Supported Platforms | Website | Website |
Learn to code free with hands-on lessons and instant playgrounds
Short, practice-first coding lessons that run directly in your browser, so you can start learning without installing a compiler or development environment.
Dedicated playgrounds for Python, JavaScript, C, C++, Java, SQL, React, Go, Swift and many other languages let you test snippets and experiment immediately after each lesson.
Structured curricula such as Software Engineer, Frontend, Full Stack, Backend, Data Analyst, Data Scientist, DevOps and game development bundle the skills employers actually ask for.
Streak-style daily coding challenges and progress tracking help learners build a consistent habit and stay motivated between longer courses.

AI performance reviews grounded in your team's actual work
An in-Slack agent that runs check-ins, collects peer input, and drafts performance reviews from evidence it gathered during the quarter.
Agendas are assembled from the week's actual work, with space for the employee to add what is on their mind before the meeting.
Windy notices when two people finish something together and asks how it went, so feedback arrives in days rather than six months later.
Committee members get a bias-flagged pre-read and a rating grid where every placement can be traced back to supporting evidence.

Delivers structured data science and coding courses with interactive playgrounds, but focuses heavily on data analytics rather than general software engineering.

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