leanprover/lean4
Lean 4 is a programming language and theorem prover for building verified software.
Lean
Backend & APIs
API Frameworks
Apache-2.0
7.5K
Stars
771
Forks
Apr 15, 2018
Created
Mar 5, 2026
Last Updated
Project Analytics
Stars Growth (1 Month)
+217
+3.0% change
Avg Daily Growth (1 Month)
+7.8
stars per day
Fork/Star Ratio (All Time)
10.3%
Good engagement
Lifetime Growth
2.6
stars/day over 2.9K days
Stars Over Time
Forks Over Time
Open Issues Over Time
Pull Requests Over Time
Commits Over Time
AI-Generated Tags
lean
theorem-prover
programming-language
verified-software
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