diff --git a/packages/ocamlformat-bench/ocamlformat-bench.0.26.0/opam b/packages/ocamlformat-bench/ocamlformat-bench.0.26.0/opam
new file mode 100644
index 000000000000..8a1593f3dc73
--- /dev/null
+++ b/packages/ocamlformat-bench/ocamlformat-bench.0.26.0/opam
@@ -0,0 +1,43 @@
+opam-version: "2.0"
+synopsis: "Auto-formatter for OCaml code"
+description:
+  "OCamlFormat is a tool to automatically format OCaml code in a uniform style."
+maintainer: ["OCamlFormat Team <ocamlformat-dev@lists.ocaml.org>"]
+authors: ["Josh Berdine <jjb@fb.com>"]
+homepage: "https://github.com/ocaml-ppx/ocamlformat"
+bug-reports: "https://github.com/ocaml-ppx/ocamlformat/issues"
+depends: [
+  "dune" {>= "2.8"}
+  "ocaml" {>= "4.08"}
+  "alcotest" {with-test & >= "1.3.0"}
+  "bechamel" {>= "0.2.0"}
+  "bechamel-js" {>= "0.2.0"}
+  "ocamlformat-lib" {= version}
+  "stdio"
+  "yojson" {>= "1.6.0"}
+  "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/ocaml-ppx/ocamlformat.git"
+url {
+  src:
+    "https://github.com/ocaml-ppx/ocamlformat/releases/download/0.26.0/ocamlformat-0.26.0.tbz"
+  checksum: [
+    "sha256=ad5d737b5912cbf128944d04365215985e5d9cc3f23e9a343e612e858c80f237"
+    "sha512=d9267c9d13f6f1ec48d44562fded0510da834f9e75e5c06bed82ed1867b4ec820bec4de7cfe1483904d5e1dbb4629a73c1a4a21fe8d4d9bafe1d21b6c773bbfe"
+  ]
+}
+x-commit-hash: "fe70498a8982bef951311b37aa8568218ce8801a"
diff --git a/packages/ocamlformat-lib/ocamlformat-lib.0.26.0/opam b/packages/ocamlformat-lib/ocamlformat-lib.0.26.0/opam
new file mode 100644
index 000000000000..1b21abcedcf6
--- /dev/null
+++ b/packages/ocamlformat-lib/ocamlformat-lib.0.26.0/opam
@@ -0,0 +1,57 @@
+opam-version: "2.0"
+synopsis: "Auto-formatter for OCaml code"
+description:
+  "OCamlFormat is a tool to automatically format OCaml code in a uniform style."
+maintainer: ["OCamlFormat Team <ocamlformat-dev@lists.ocaml.org>"]
+authors: ["Josh Berdine <jjb@fb.com>"]
+homepage: "https://github.com/ocaml-ppx/ocamlformat"
+bug-reports: "https://github.com/ocaml-ppx/ocamlformat/issues"
+depends: [
+  "ocaml" {>= "4.08"}
+  "alcotest" {with-test & >= "1.3.0"}
+  "base" {>= "v0.12.0"}
+  "dune" {>= "2.8"}
+  "dune-build-info"
+  "either"
+  "fix"
+  "fpath"
+  "menhir" {>= "20201216"}
+  "menhirLib" {>= "20201216"}
+  "menhirSdk" {>= "20201216"}
+  "ocaml-version" {>= "3.5.0"}
+  "ocamlformat-rpc-lib" {with-test & = version}
+  "ocp-indent" {with-test = "false" & >= "1.8.0" | with-test & >= "1.8.1"}
+  "stdio"
+  "uuseg" {>= "10.0.0"}
+  "uutf" {>= "1.0.1"}
+  "csexp" {>= "1.4.0"}
+  "astring"
+  "result"
+  "camlp-streams"
+  "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/ocaml-ppx/ocamlformat.git"
+license: ["MIT" "LGPL-2.1-only WITH OCaml-LGPL-linking-exception"]
+url {
+  src:
+    "https://github.com/ocaml-ppx/ocamlformat/releases/download/0.26.0/ocamlformat-0.26.0.tbz"
+  checksum: [
+    "sha256=ad5d737b5912cbf128944d04365215985e5d9cc3f23e9a343e612e858c80f237"
+    "sha512=d9267c9d13f6f1ec48d44562fded0510da834f9e75e5c06bed82ed1867b4ec820bec4de7cfe1483904d5e1dbb4629a73c1a4a21fe8d4d9bafe1d21b6c773bbfe"
+  ]
+}
+x-commit-hash: "fe70498a8982bef951311b37aa8568218ce8801a" # OCamlFormat is distributed under the MIT license. Parts of the OCaml library are vendored for OCamlFormat and distributed under their original LGPL 2.1 license
diff --git a/packages/ocamlformat-rpc-lib/ocamlformat-rpc-lib.0.26.0/opam b/packages/ocamlformat-rpc-lib/ocamlformat-rpc-lib.0.26.0/opam
new file mode 100644
index 000000000000..8f10b0483292
--- /dev/null
+++ b/packages/ocamlformat-rpc-lib/ocamlformat-rpc-lib.0.26.0/opam
@@ -0,0 +1,39 @@
+opam-version: "2.0"
+synopsis: "Auto-formatter for OCaml code (RPC mode)"
+description:
+  "OCamlFormat is a tool to automatically format OCaml code in a uniform style. This package defines a RPC interface to OCamlFormat"
+maintainer: ["OCamlFormat Team <ocamlformat-dev@lists.ocaml.org>"]
+authors: ["Josh Berdine <jjb@fb.com>"]
+license: "MIT"
+homepage: "https://github.com/ocaml-ppx/ocamlformat"
+bug-reports: "https://github.com/ocaml-ppx/ocamlformat/issues"
+depends: [
+  "dune" {>= "2.8"}
+  "ocaml" {>= "4.08"}
+  "csexp" {>= "1.4.0"}
+  "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/ocaml-ppx/ocamlformat.git"
+url {
+  src:
+    "https://github.com/ocaml-ppx/ocamlformat/releases/download/0.26.0/ocamlformat-0.26.0.tbz"
+  checksum: [
+    "sha256=ad5d737b5912cbf128944d04365215985e5d9cc3f23e9a343e612e858c80f237"
+    "sha512=d9267c9d13f6f1ec48d44562fded0510da834f9e75e5c06bed82ed1867b4ec820bec4de7cfe1483904d5e1dbb4629a73c1a4a21fe8d4d9bafe1d21b6c773bbfe"
+  ]
+}
+x-commit-hash: "fe70498a8982bef951311b37aa8568218ce8801a"
diff --git a/packages/ocamlformat/ocamlformat.0.26.0/opam b/packages/ocamlformat/ocamlformat.0.26.0/opam
new file mode 100644
index 000000000000..c87eb501ef27
--- /dev/null
+++ b/packages/ocamlformat/ocamlformat.0.26.0/opam
@@ -0,0 +1,42 @@
+opam-version: "2.0"
+synopsis: "Auto-formatter for OCaml code"
+description:
+  "OCamlFormat is a tool to automatically format OCaml code in a uniform style."
+maintainer: ["OCamlFormat Team <ocamlformat-dev@lists.ocaml.org>"]
+authors: ["Josh Berdine <jjb@fb.com>"]
+homepage: "https://github.com/ocaml-ppx/ocamlformat"
+bug-reports: "https://github.com/ocaml-ppx/ocamlformat/issues"
+depends: [
+  "ocaml" {>= "4.08"}
+  "cmdliner" {with-test = "false" & >= "1.1.0" | with-test & >= "1.2.0"}
+  "dune" {>= "2.8"}
+  "ocamlformat-lib" {= version}
+  "ocamlformat-rpc-lib" {with-test & = version}
+  "re" {>= "1.10.3"}
+  "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/ocaml-ppx/ocamlformat.git"
+license: ["MIT" "LGPL-2.1-only WITH OCaml-LGPL-linking-exception"]
+url {
+  src:
+    "https://github.com/ocaml-ppx/ocamlformat/releases/download/0.26.0/ocamlformat-0.26.0.tbz"
+  checksum: [
+    "sha256=ad5d737b5912cbf128944d04365215985e5d9cc3f23e9a343e612e858c80f237"
+    "sha512=d9267c9d13f6f1ec48d44562fded0510da834f9e75e5c06bed82ed1867b4ec820bec4de7cfe1483904d5e1dbb4629a73c1a4a21fe8d4d9bafe1d21b6c773bbfe"
+  ]
+}
+x-commit-hash: "fe70498a8982bef951311b37aa8568218ce8801a" # OCamlFormat is distributed under the MIT license. Parts of the OCaml library are vendored for OCamlFormat and distributed under their original LGPL 2.1 license