diff --git a/tools/programs/_index.md b/tools/programs/_index.md
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+title = "Program Proof Tools"
+layout = "section"
++++
+
+This page lists all of the program proof tools on this site in alphabetical order.
+Click a tool name in the first column to view tool details. 
+Click a colorful item in the second column to view all the tools for which that term applies.
+Item colors mean nothing and are intended to make it easy to skim the page. 
+Colors are generated by hashing each term's name and converting it to RGB color values.
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diff --git a/tools/programs/dafny.md b/tools/programs/dafny.md
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+date = 2025-07-10
+draft = false
+title = 'Dafny'
+subtitle = 'Program Proofs'
+links = [
+    { title = "Homepage", url = "https://cvc5.github.io/", icon = 'fa-solid fa-home' },
+    { title = "Source Code", url = "https://github.com/dreal/dreal4", icon = 'fa-brands fa-github'  },
+    { title = "Playground", url = "https://cvc5.github.io/app/", icon = 'fa-solid fa-gamepad' }
+]
+applications = ['Program Prover']
+developers = ['Amazon Web Services']
+licenses = ['MIT']
+inputs = ['Dafny']
+interfaces = ['CLI', 'VSCode']
+maintenance = ['Actively Maintained']
+# techniques = ['CDCL']
+# publications = ['Barbosa2022']
++++
+
+<!-- {{<inactive year="2023">}} -->
+Dafny is a verification-aware programming language that has native support for recording specifications and is equipped with a static program verifier.
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