Analyzed
about 12 hours
ago.
based on code collected
about 13 hours
ago.
Project Summary
Lean Theorem Prover
In a Nutshell, lean...
- ...
- ...
-
...
has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
...
took an estimated 1,693 years of effort (COCOMO model)
starting with its first commit in July, 2013
ending with its most recent commit about 15 hours ago
Quick Reference
https://github.com/leanprover/lean4
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 )
There are no reported vulnerabilities
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...
-
...
there are over 3,000 projects on the Open Hub with security vulnerabilities reported against them
-
...
anyone with an Open Hub account can update a project's tags
-
...
55% of companies leverage OSS for production infrastructure
-
...
search using multiple tags to find exactly what you need
30 Day SummaryNov 17 2025 — Dec 17 2025
|
12 Month SummaryDec 17 2024 — Dec 17 2025
|
