Best Free Alternatives to SoloLearn in 2026

Free block-based programming platform and online community for creating interactive stories, games, and animations.

Front-end development playground and social coding environment for HTML, CSS, JavaScript, live previews, and sharable experiments.

Education-focused browser coding environment for Python, HTML, and shareable interactive code, but scheduled to shut down in early August 2026.

Former collaborative web coding and hosting platform; now mainly a legacy reference after shutdown of hosting and core service access.

Research-based interactive science and math simulations for exploring STEM concepts through virtual experiments.

Advanced blocks-based programming language from UC Berkeley for teaching real computer science concepts beyond beginner block coding.

Open-source blocks-based programming library for building custom visual coding editors and educational coding experiences.

Free graphing and math activity platform with graphing, geometry, 3D, and classroom tools for visual math learning.

Free Autodesk web app for beginner-friendly 3D design, electronics simulation, and coding-based STEM projects.

Introductory coding app for ages 5-7 that teaches sequencing and logic through animated stories and games.

Free math platform combining graphing, geometry, algebra, statistics, calculus, and classroom resources in one ecosystem.

Free K–12 computer science and AI education platform with tutorials, curriculum, hands-on projects, and teacher professional development.