Analyzed
about 11 hours
ago.
based on code collected
2 days
ago.
Project Summary
Zulip is a powerful, open source group chat application. Written in Python and using the Django framework, Zulip supports both private messaging and group chats via conversation streams.
In a Nutshell, Zulip...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 651 years of effort (COCOMO model)
starting with its first commit in July, 2005
ending with its most recent commit 5 days ago
Apache License 2.0
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
State Changes
Include License
Include Notice
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
Security Confidence Index
Poor security track-record
Favorable security track-record
Vulnerability Exposure Index
Many reported vulnerabilities
Few reported vulnerabilities
Did You Know...
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in 2016, 47% of companies did not have formal process in place to track OS code
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data presented on the Open Hub is available through our API
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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30 Day SummaryNov 21 2025 — Dec 21 2025
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12 Month SummaryDec 21 2024 — Dec 21 2025
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