diff --git a/packages/ldp/ldp.0.3.0/opam b/packages/ldp/ldp.0.3.0/opam
new file mode 100644
index 00000000000..96e36fe7693
--- /dev/null
+++ b/packages/ldp/ldp.0.3.0/opam
@@ -0,0 +1,48 @@
+opam-version: "2.0"
+synopsis: "Library to build LDP applications"
+maintainer: "zoggy@bat8.org"
+authors: "Zoggy <zoggy@bat8.org>"
+license: "LGPL-3.0-only"
+tags: ["rdf" "semantic web" "solid" "ldp"]
+homepage: "https://zoggy.frama.io/ocaml-ldp/"
+doc: "https://zoggy.frama.io/ocaml-ldp/"
+bug-reports: "https://framagit.org/zoggy/ocaml-ldp/issues"
+depends: [
+  "dune" {>= "2.9"}
+  "cohttp-lwt" {>= "5.3.0"}
+  "fmt" {>= "0.8.9"}
+  "logs" {>= "0.7.0"}
+  "lwt" {>= "5.4.0"}
+  "lwt_ppx" {>= "2.0.3"}
+  "ocaml" {>= "4.14.0"}
+  "ocf" {>= "0.8.0"}
+  "ocf_ppx" {>= "0.8.0"}
+  "rdf" {>= "1.0.0"}
+  "rdf_ppx" {>= "1.0.0"}
+  "sedlex" {>= "2.3"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "--promote-install-files=false"
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+  ["dune" "install" "-p" name "--create-install-files" name]
+]
+dev-repo: "git+https://framagit.org/zoggy/ocaml-ldp.git"
+url {
+  src: "https://zoggy.frama.io/ocaml-ldp/releases/ocaml-ldp-0.3.0.tar.gz"
+  checksum: [
+    "md5=8903912748afccb622e88b52d1d89260"
+    "sha512=4924c40cf5f80d7b46e93de848bc52cbe7fa0b864082f93c07c253cd0d81395160339e80533d6b5bd4779c93afd1e37754323e1ca4a5a0b5371c840ee1bf2f67"
+  ]
+}
\ No newline at end of file
diff --git a/packages/ldp_curl/ldp_curl.0.3.0/opam b/packages/ldp_curl/ldp_curl.0.3.0/opam
new file mode 100644
index 00000000000..b0747b5af16
--- /dev/null
+++ b/packages/ldp_curl/ldp_curl.0.3.0/opam
@@ -0,0 +1,39 @@
+opam-version: "2.0"
+synopsis: "Library to build LDP applications using Curl"
+maintainer: "zoggy@bat8.org"
+authors: "Zoggy <zoggy@bat8.org>"
+license: "LGPL-3.0-only"
+homepage: "https://zoggy.frama.io/ocaml-ldp/"
+doc: "https://zoggy.frama.io/ocaml-ldp/"
+bug-reports: "https://framagit.org/zoggy/ocaml-ldp/issues"
+depends: [
+  "dune" {>= "2.9"}
+  "ldp" {= version}
+  "ocaml" {>= "4.14.0"}
+  "ocurl" {>= "0.9.1"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "--promote-install-files=false"
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+  ["dune" "install" "-p" name "--create-install-files" name]
+]
+dev-repo: "git+https://framagit.org/zoggy/ocaml-ldp.git"
+url {
+  src: "https://zoggy.frama.io/ocaml-ldp/releases/ocaml-ldp-0.3.0.tar.gz"
+  checksum: [
+    "md5=8903912748afccb622e88b52d1d89260"
+    "sha512=4924c40cf5f80d7b46e93de848bc52cbe7fa0b864082f93c07c253cd0d81395160339e80533d6b5bd4779c93afd1e37754323e1ca4a5a0b5371c840ee1bf2f67"
+  ]
+}
\ No newline at end of file
diff --git a/packages/ldp_js/ldp_js.0.3.0/opam b/packages/ldp_js/ldp_js.0.3.0/opam
new file mode 100644
index 00000000000..078fad328f8
--- /dev/null
+++ b/packages/ldp_js/ldp_js.0.3.0/opam
@@ -0,0 +1,41 @@
+opam-version: "2.0"
+synopsis: "Library to build LDP applications in JS"
+maintainer: "zoggy@bat8.org"
+authors: "Zoggy <zoggy@bat8.org>"
+license: "LGPL-3.0-only"
+homepage: "https://zoggy.frama.io/ocaml-ldp/"
+doc: "https://zoggy.frama.io/ocaml-ldp/"
+bug-reports: "https://framagit.org/zoggy/ocaml-ldp/issues"
+depends: [
+  "dune" {>= "2.9"}
+  "ldp" {= version}
+  "ocaml" {>= "4.14.0"}
+  "js_of_ocaml" {>= "3.9.0"}
+  "js_of_ocaml-ppx" {>= "3.9.0"}
+  "cohttp-lwt-jsoo" {>= "5.3.0"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "--promote-install-files=false"
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+  ["dune" "install" "-p" name "--create-install-files" name]
+]
+dev-repo: "git+https://framagit.org/zoggy/ocaml-ldp.git"
+url {
+  src: "https://zoggy.frama.io/ocaml-ldp/releases/ocaml-ldp-0.3.0.tar.gz"
+  checksum: [
+    "md5=8903912748afccb622e88b52d1d89260"
+    "sha512=4924c40cf5f80d7b46e93de848bc52cbe7fa0b864082f93c07c253cd0d81395160339e80533d6b5bd4779c93afd1e37754323e1ca4a5a0b5371c840ee1bf2f67"
+  ]
+}
\ No newline at end of file
diff --git a/packages/ldp_tls/ldp_tls.0.3.0/opam b/packages/ldp_tls/ldp_tls.0.3.0/opam
new file mode 100644
index 00000000000..5959dd1cd92
--- /dev/null
+++ b/packages/ldp_tls/ldp_tls.0.3.0/opam
@@ -0,0 +1,41 @@
+opam-version: "2.0"
+synopsis: "Library to build LDP applications using TLS"
+maintainer: "zoggy@bat8.org"
+authors: "Zoggy <zoggy@bat8.org>"
+license: "LGPL-3.0-only"
+homepage: "https://zoggy.frama.io/ocaml-ldp/"
+doc: "https://zoggy.frama.io/ocaml-ldp/"
+bug-reports: "https://framagit.org/zoggy/ocaml-ldp/issues"
+depends: [
+  "dune" {>= "2.9"}
+  "ldp" {= version}
+  "ocaml" {>= "4.14.0"}
+  "tls-lwt" {>= "1.0.2"}
+  "tls" {>= "1.0.2"}
+  "ppx_sexp_conv"
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "--promote-install-files=false"
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+  ["dune" "install" "-p" name "--create-install-files" name]
+]
+dev-repo: "git+https://framagit.org/zoggy/ocaml-ldp.git"
+url {
+  src: "https://zoggy.frama.io/ocaml-ldp/releases/ocaml-ldp-0.3.0.tar.gz"
+  checksum: [
+    "md5=8903912748afccb622e88b52d1d89260"
+    "sha512=4924c40cf5f80d7b46e93de848bc52cbe7fa0b864082f93c07c253cd0d81395160339e80533d6b5bd4779c93afd1e37754323e1ca4a5a0b5371c840ee1bf2f67"
+  ]
+}
\ No newline at end of file
diff --git a/packages/solid/solid.0.3.0/opam b/packages/solid/solid.0.3.0/opam
new file mode 100644
index 00000000000..3f9d26b62ae
--- /dev/null
+++ b/packages/solid/solid.0.3.0/opam
@@ -0,0 +1,39 @@
+opam-version: "2.0"
+synopsis: "Library to build SOLID applications"
+maintainer: "zoggy@bat8.org"
+authors: "Zoggy <zoggy@bat8.org>"
+license: "LGPL-3.0-only"
+tags: ["rdf" "semantic web" "solid" "ldp"]
+homepage: "https://zoggy.frama.io/ocaml-ldp/"
+doc: "https://zoggy.frama.io/ocaml-ldp/"
+bug-reports: "https://framagit.org/zoggy/ocaml-ldp/issues"
+depends: [
+  "dune" {>= "2.9"}
+  "ldp" {= version}
+  "ocaml" {>= "4.14.0"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "--promote-install-files=false"
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+  ["dune" "install" "-p" name "--create-install-files" name]
+]
+dev-repo: "git+https://framagit.org/zoggy/ocaml-ldp.git"
+url {
+  src: "https://zoggy.frama.io/ocaml-ldp/releases/ocaml-ldp-0.3.0.tar.gz"
+  checksum: [
+    "md5=8903912748afccb622e88b52d1d89260"
+    "sha512=4924c40cf5f80d7b46e93de848bc52cbe7fa0b864082f93c07c253cd0d81395160339e80533d6b5bd4779c93afd1e37754323e1ca4a5a0b5371c840ee1bf2f67"
+  ]
+}
\ No newline at end of file
diff --git a/packages/solid_server/solid_server.0.3.0/opam b/packages/solid_server/solid_server.0.3.0/opam
new file mode 100644
index 00000000000..780bac9e2a2
--- /dev/null
+++ b/packages/solid_server/solid_server.0.3.0/opam
@@ -0,0 +1,50 @@
+opam-version: "2.0"
+synopsis: "SOLID server under development"
+maintainer: "zoggy@bat8.org"
+authors: "Zoggy <zoggy@bat8.org>"
+license: "LGPL-3.0-only"
+tags: ["rdf" "semantic web" "solid" "ldp"]
+homepage: "https://zoggy.frama.io/ocaml-ldp/"
+doc: "https://zoggy.frama.io/ocaml-ldp/"
+bug-reports: "https://framagit.org/zoggy/ocaml-ldp/issues"
+depends: [
+  "dune" {>= "2.9"}
+  "calendar" {>= "2.04"}
+  "cohttp-lwt-unix" {>= "5.3.0"}
+  "cryptokit" {>= "1.16.1"}
+  "fpath" {>= "0.7.3"}
+  "git-unix" {>= "3.4.0"}
+  "ldp_curl" {= version}
+  "ldp_tls" {= version}
+  "ocaml" {>= "4.14.0"}
+  "ppx_blob" {>= "0.7.2"}
+  "solid" {= version}
+  "webmachine" {>= "0.7.0"}
+  "xtmpl" {>= "0.19.0"}
+  "xtmpl_ppx" {>= "0.19.0"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "--promote-install-files=false"
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+  ["dune" "install" "-p" name "--create-install-files" name]
+]
+dev-repo: "git+https://framagit.org/zoggy/ocaml-ldp.git"
+url {
+  src: "https://zoggy.frama.io/ocaml-ldp/releases/ocaml-ldp-0.3.0.tar.gz"
+  checksum: [
+    "md5=8903912748afccb622e88b52d1d89260"
+    "sha512=4924c40cf5f80d7b46e93de848bc52cbe7fa0b864082f93c07c253cd0d81395160339e80533d6b5bd4779c93afd1e37754323e1ca4a5a0b5371c840ee1bf2f67"
+  ]
+}
\ No newline at end of file
diff --git a/packages/solid_tools/solid_tools.0.3.0/opam b/packages/solid_tools/solid_tools.0.3.0/opam
new file mode 100644
index 00000000000..38aff422eb9
--- /dev/null
+++ b/packages/solid_tools/solid_tools.0.3.0/opam
@@ -0,0 +1,43 @@
+opam-version: "2.0"
+synopsis: "Library to build SOLID tools"
+maintainer: "zoggy@bat8.org"
+authors: "Zoggy <zoggy@bat8.org>"
+license: "LGPL-3.0-only"
+tags: ["rdf" "semantic web" "solid" "ldp"]
+homepage: "https://zoggy.frama.io/ocaml-ldp/"
+doc: "https://zoggy.frama.io/ocaml-ldp/"
+bug-reports: "https://framagit.org/zoggy/ocaml-ldp/issues"
+depends: [
+  "dune" {>= "2.9"}
+  "ocaml" {>= "4.14.0"}
+  "ldp_curl" {= version}
+  "ldp_tls" {= version}
+  "solid" {= version}
+  "ocf" {>= "0.8.0"}
+  "ocf_ppx" {>= "0.8.0"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "--promote-install-files=false"
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+  ["dune" "install" "-p" name "--create-install-files" name]
+]
+dev-repo: "git+https://framagit.org/zoggy/ocaml-ldp.git"
+url {
+  src: "https://zoggy.frama.io/ocaml-ldp/releases/ocaml-ldp-0.3.0.tar.gz"
+  checksum: [
+    "md5=8903912748afccb622e88b52d1d89260"
+    "sha512=4924c40cf5f80d7b46e93de848bc52cbe7fa0b864082f93c07c253cd0d81395160339e80533d6b5bd4779c93afd1e37754323e1ca4a5a0b5371c840ee1bf2f67"
+  ]
+}
\ No newline at end of file