diff --git a/packages/printbox-html/printbox-html.0.9/opam b/packages/printbox-html/printbox-html.0.9/opam
new file mode 100644
index 00000000000..088433e5a22
--- /dev/null
+++ b/packages/printbox-html/printbox-html.0.9/opam
@@ -0,0 +1,44 @@
+opam-version: "2.0"
+synopsis: "Printbox unicode handling"
+description: """
+
+Adds html output handling to the printbox package.
+Printbox allows to print nested boxes, lists, arrays, tables in several formats"""
+maintainer: ["c-cube" "lukstafi"]
+authors: ["Simon Cruanes" "Guillaume Bury" "lukstafi"]
+license: "BSD-2-Clause"
+homepage: "https://github.com/c-cube/printbox"
+bug-reports: "https://github.com/c-cube/printbox/issues"
+depends: [
+  "dune" {>= "3.0"}
+  "printbox" {= version}
+  "printbox-text" {= version & with-test}
+  "odoc" {with-test}
+  "tyxml" {>= "4.3"}
+  "mdx" {>= "1.4" & with-test}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/c-cube/printbox.git"
+url {
+  src:
+    "https://github.com/c-cube/printbox/releases/download/v0.9/printbox-0.9.tbz"
+  checksum: [
+    "sha256=40f9920bdedc5c2537ab61e90fd246ca24a78883ed234935ad4fda38367b5760"
+    "sha512=0d643a7b238bb1bf472b1bf1401b6401e802ee4c6c016b319f5c161b3546bc2b8fcc3224dc9879c433d7944566e9ffcce703f040f3f217d17cdc8149a4bed449"
+  ]
+}
+x-commit-hash: "5adaf7e166f8925df8781f639f5e470e15782243"
diff --git a/packages/printbox-md/printbox-md.0.9/opam b/packages/printbox-md/printbox-md.0.9/opam
new file mode 100644
index 00000000000..b52d1a3c2de
--- /dev/null
+++ b/packages/printbox-md/printbox-md.0.9/opam
@@ -0,0 +1,44 @@
+opam-version: "2.0"
+synopsis: "Printbox Markdown rendering"
+description: """
+
+Adds Markdown output handling to the printbox package, with fallback to text and simplified HTML.
+Printbox allows to print nested boxes, lists, arrays, tables in several formats"""
+maintainer: ["c-cube" "lukstafi"]
+authors: ["Simon Cruanes" "Guillaume Bury" "lukstafi"]
+license: "BSD-2-Clause"
+homepage: "https://github.com/c-cube/printbox"
+bug-reports: "https://github.com/c-cube/printbox/issues"
+depends: [
+  "dune" {>= "3.0"}
+  "printbox" {= version}
+  "printbox-text" {= version}
+  "printbox-html" {= version}
+  "odoc" {with-test}
+  "mdx" {>= "1.4" & with-test}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/c-cube/printbox.git"
+url {
+  src:
+    "https://github.com/c-cube/printbox/releases/download/v0.9/printbox-0.9.tbz"
+  checksum: [
+    "sha256=40f9920bdedc5c2537ab61e90fd246ca24a78883ed234935ad4fda38367b5760"
+    "sha512=0d643a7b238bb1bf472b1bf1401b6401e802ee4c6c016b319f5c161b3546bc2b8fcc3224dc9879c433d7944566e9ffcce703f040f3f217d17cdc8149a4bed449"
+  ]
+}
+x-commit-hash: "5adaf7e166f8925df8781f639f5e470e15782243"
diff --git a/packages/printbox-text/printbox-text.0.9/opam b/packages/printbox-text/printbox-text.0.9/opam
new file mode 100644
index 00000000000..4e44c08a643
--- /dev/null
+++ b/packages/printbox-text/printbox-text.0.9/opam
@@ -0,0 +1,40 @@
+opam-version: "2.0"
+synopsis: "Text renderer for printbox, using unicode edges"
+maintainer: ["c-cube" "lukstafi"]
+authors: ["Simon Cruanes" "Guillaume Bury" "lukstafi"]
+license: "BSD-2-Clause"
+homepage: "https://github.com/c-cube/printbox"
+bug-reports: "https://github.com/c-cube/printbox/issues"
+depends: [
+  "dune" {>= "3.0"}
+  "printbox" {= version}
+  "uutf" {>= "1.0"}
+  "uucp" {>= "2.0"}
+  "odoc" {with-test}
+  "mdx" {>= "1.4" & with-test}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/c-cube/printbox.git"
+url {
+  src:
+    "https://github.com/c-cube/printbox/releases/download/v0.9/printbox-0.9.tbz"
+  checksum: [
+    "sha256=40f9920bdedc5c2537ab61e90fd246ca24a78883ed234935ad4fda38367b5760"
+    "sha512=0d643a7b238bb1bf472b1bf1401b6401e802ee4c6c016b319f5c161b3546bc2b8fcc3224dc9879c433d7944566e9ffcce703f040f3f217d17cdc8149a4bed449"
+  ]
+}
+x-commit-hash: "5adaf7e166f8925df8781f639f5e470e15782243"
diff --git a/packages/printbox/printbox.0.9/opam b/packages/printbox/printbox.0.9/opam
new file mode 100644
index 00000000000..2334ba0bb4e
--- /dev/null
+++ b/packages/printbox/printbox.0.9/opam
@@ -0,0 +1,38 @@
+opam-version: "2.0"
+synopsis:
+  "Allows to print nested boxes, lists, arrays, tables in several formats"
+maintainer: ["c-cube" "lukstafi"]
+authors: ["Simon Cruanes" "Guillaume Bury" "lukstafi"]
+license: "BSD-2-Clause"
+tags: ["print" "box" "table" "tree"]
+homepage: "https://github.com/c-cube/printbox"
+bug-reports: "https://github.com/c-cube/printbox/issues"
+depends: [
+  "dune" {>= "3.0"}
+  "ocaml" {>= "4.08"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/c-cube/printbox.git"
+url {
+  src:
+    "https://github.com/c-cube/printbox/releases/download/v0.9/printbox-0.9.tbz"
+  checksum: [
+    "sha256=40f9920bdedc5c2537ab61e90fd246ca24a78883ed234935ad4fda38367b5760"
+    "sha512=0d643a7b238bb1bf472b1bf1401b6401e802ee4c6c016b319f5c161b3546bc2b8fcc3224dc9879c433d7944566e9ffcce703f040f3f217d17cdc8149a4bed449"
+  ]
+}
+x-commit-hash: "5adaf7e166f8925df8781f639f5e470e15782243"