Agda
6.1#9 in formal verification toolsWebExtensionLinuxmacOS
VisitAgda vs Lean
What both publish
| Fact | Agda | Lean |
|---|---|---|
| Libraries | Agda's standard library is optional and is not bundled with all packages; additional community libraries and developments are listed on the wiki. | The official site describes Mathlib as a community-driven mathematical library with over a million lines spanning algebra, analysis, topology, probability, and computer science. |
| Support | The Agda wiki directs users to ask questions on the Agda mailing list or Agda Zulip server. | The Lean Community Zulip is described as the central hub for questions and collaboration, and Lean FRO hosts weekly technical office hours. |
| What it is | Agda is a dependently typed functional programming language and an interactive proof assistant for writing and checking proofs. | Lean is an open-source programming language and proof assistant for correct, maintainable, and formally verified code. |
Agda plans
No prices published.
Lean plans
- Lean 4Free
Pick Agda if…
Agda suits programmers and researchers working with functional programming, dependent types, and formal proofs. It runs across listed desktop systems and can also be used through Agda Pad.
Pick Lean if…
Lean suits programmers, theorem provers, and mathematicians working with formalization, proof checking, or software verification. Its general coding capability and browser version may also suit users exploring Lean before choosing a local setup.