diff --git a/report b/report
new file mode 100755
index 0000000..248c103
--- /dev/null
+++ b/report
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+mkdir -p reports
+gosh -r7 -I . -I ./snow report.scm reports/*.log
+
+
diff --git a/report.scm b/report.scm
new file mode 100644
index 0000000..24a4abf
--- /dev/null
+++ b/report.scm
@@ -0,0 +1,94 @@
+(import (scheme base)
+        (scheme write)
+        (scheme file)
+        (scheme char)
+        (scheme process-context)
+        (scheme file)
+        (arvyy mustache))
+
+(include "util.scm")
+(include "implementations.scm")
+(include "tests.scm")
+
+(define report-top (compile (slurp "templates/Report-top")))
+(define report-row (compile (slurp "templates/Report-row")))
+(define report-bottom (compile (slurp "templates/Report-bottom")))
+
+(define logfiles (list-tail (command-line) 1))
+
+
+
+(call-with-output-file
+  "reports/results.html"
+  (lambda (out)
+    (execute report-top `() out)
+    (display "<tr>" out)
+    (newline out)
+    (display "<th>Test</th>" out)
+    (for-each
+      (lambda (implementation)
+        (display (string-append "<th>" (symbol->string (cdr (assoc 'name implementation))) "</th>") out)
+        (newline out))
+      implementations)
+    (display "</tr>" out)
+    (newline out)
+    (newline out)
+    (for-each
+      (lambda (test)
+        (let ((test-name (symbol->string (cdr (assoc 'name test))))
+              (name (symbol->string (cdr (assoc 'name implementation)))))
+          (display (string-append "<tr>") out)
+          (newline out)
+          (display (string-append "<td>" test-name "</td>") out)
+          (newline out)
+          (for-each
+            (lambda (implementation)
+              (letrec* ((name (cdr (assoc 'name implementation)))
+                        (command (cdr (assoc 'command implementation)))
+                        (logfile (string-append "reports/"
+                                                name
+                                                "-"
+                                                test-name
+                                                ".log"))
+                        (read-results (lambda (line results)
+                                        (if (eof-object? line)
+                                          results
+                                          (read-results (read-line)
+                                                        (if (string-starts-with? line "# of")
+                                                          (begin
+                                                            (append results
+                                                                    (list (number-of-line->number line))))
+                                                          results)))))
+                        (results (if (not (file-exists? logfile))
+                                   (list "" "" "" "")
+                                   (with-input-from-file
+                                     logfile
+                                     (lambda ()
+                                       (read-results (read-line) (list))))))
+                        (expected-passes (if (> (length results) 0) (list-ref results 0) 0))
+                        (expected-failures (if (> (length results) 1) (list-ref results 1) 0))
+                        (unexpected-failures (if (> (length results) 2) (list-ref results 2) 0))
+                        (skipped-tests (if (> (length results) 3) (list-ref results 3) 0))
+                        (color (cond ((string? expected-passes) "white") ; No logfile
+                                     ((> unexpected-failures 0) "red")
+                                     ((> skipped-tests 0) "yellow")
+                                     (else "green"))))
+                (execute report-row
+                         `((name . ,name)
+                           (command . ,command)
+                           (color . ,color)
+                           (library-command . ,(if (assoc 'library-command implementation)
+                                                 (cdr (assoc 'library-command implementation))
+                                                 #f))
+                           (name . ,name)
+                           (expected-passes . ,expected-passes)
+                           (expected-failures . ,expected-failures)
+                           (unexpected-failures . ,unexpected-failures)
+                           (skipped-tests . ,skipped-tests))
+                         out)
+                (newline out)))
+            implementations)
+          (display (string-append "</tr>") out)))
+      tests)
+    (execute report-bottom '() out)
+    (newline out)))