Learn how Hazel and Zulip differ in their key features, development activity, technology stack and community adoption, so you can decide which of these team chat & messaging tools is best for you.
Last 30 days
Last commit
6 hours agoRepository age
2 yearsVersion
v1.1.3License
FSL-1.1-ALv2Self-hosted
YesRepository
mapletechlabs/hazel
Last 30 days
Last commit
2 days agoRepository age
11 yearsVersion
13.2License
Apache-2.0Self-hosted
YesRepository
zulip/zulip
Both Hazel and Zulip have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
Zulip significantly outpaces Hazel in community adoption with 26,234 stars compared to 738 stars on GitHub. This 35.5x difference suggests Zulip has a much larger and more active community. In terms of developer contributions, Zulip has 10,602 forks, indicating strong developer engagement.
Hazel is growing faster, adding 12 stars in the last 30 days (+1.7%) against adding 180 stars for Zulip (+0.7%). Hazel is the smaller project of the two, so it is closing the gap rather than extending a lead.
Both projects show recent activity, with Hazel last updated 6 hours ago and Zulip 2 days ago.
Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript. However, they differ in their additional technology choices: Hazel uses JSX, Rust, Kotlin, Tauri, Tanstack Start while Zulip leverages Python, Ruby.
Zulip has been in development longer, starting 11 years ago, compared to Hazel which began 2 years ago. This 9.7-year head start suggests Zulip may have more mature features and established processes.
The projects use different licenses: Hazel is licensed under FSL-1.1-ALv2 while Zulip uses Apache-2.0. Consider the licensing requirements when choosing for your project.
Both tools serve similar use cases in Team Chat & Messaging.
Both Hazel and Zulip offer self-hosting capabilities, giving you full control over your data and infrastructure.
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