Learn how Flow and Helium differ in their key features, development activity, technology stack and community adoption, so you can decide which of these web browsers is best for you.

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Both Flow and Helium have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, activity, technology, maturity, licensing and features when making your decision.
Helium significantly outpaces Flow in community adoption with 14,080 stars compared to 961 stars on GitHub. This 14.7x difference suggests Helium has a much larger and more active community. In terms of developer contributions, Helium has 312 forks, indicating moderate developer engagement.
Both projects show recent activity, with Flow last updated 3 days ago and Helium 2 hours ago.
Both tools share common technology foundations, being built with JavaScript. However, they differ in their additional technology choices: Flow uses CSS, Typescript, JSX while Helium leverages Bash, Python.
Both projects started around the same time, with Flow beginning 1 year ago and Helium 1 year ago.
Both projects use the GPL-3.0 license, providing identical terms for usage and distribution.
Both tools serve similar use cases in Web Browsers. However, they also have distinct specializations: Helium extends into Security & Privacy.