diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 097c191a..2bbd8e47 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -128,7 +128,20 @@ jobs:
           submodules: true
       - run: rustup update
       - uses: Swatinem/rust-cache@v2
-      - run: cargo test --all-features
+      - run: cargo test
+        env:
+          RUST_BACKTRACE: 1
+
+  test_linux_speedb:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - run: rustup update
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo test --features speedb
+        working-directory: ./lib
         env:
           RUST_BACKTRACE: 1
 
@@ -155,7 +168,21 @@ jobs:
       - run: rustup update
       - uses: Swatinem/rust-cache@v2
       - run: Remove-Item -LiteralPath "C:\msys64\" -Force -Recurse
-      - run: cargo test --all-features
+      - run: cargo test
+        env:
+          RUST_BACKTRACE: 1
+
+  test_windows_speedb:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - run: rustup update
+      - uses: Swatinem/rust-cache@v2
+      - run: Remove-Item -LiteralPath "C:\msys64\" -Force -Recurse
+      - run: cargo test --features speedb
+        working-directory: ./lib
         env:
           RUST_BACKTRACE: 1
 
@@ -181,7 +208,7 @@ jobs:
           submodules: true
       - run: rustup update
       - uses: Swatinem/rust-cache@v2
-      - run: cargo doc --all-features
+      - run: cargo doc
         working-directory: ./lib
 
   rustdoc_msrv:
@@ -192,7 +219,7 @@ jobs:
           submodules: true
       - run: rustup update && rustup override set 1.60.0
       - uses: Swatinem/rust-cache@v2
-      - run: cargo doc --all-features
+      - run: cargo doc
         working-directory: ./lib
         env:
           RUSTDOCFLAGS: -D warnings
diff --git a/.gitmodules b/.gitmodules
index d96fd0dc..e4d48066 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "oxrocksdb-sys/lz4"]
 	path = oxrocksdb-sys/lz4
 	url = https://github.com/lz4/lz4.git
+[submodule "oxrocksdb-sys/speedb"]
+	path = oxrocksdb-sys/speedb
+	url = https://github.com/oxigraph/speedb.git
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 83c65895..3f54d788 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -20,6 +20,7 @@ all-features = true
 [features]
 default = []
 http_client = ["oxhttp", "oxhttp/rustls"]
+speedb = ["oxrocksdb-sys/speedb"]
 
 [dependencies]
 rand = "0.8"
diff --git a/oxrocksdb-sys/Cargo.toml b/oxrocksdb-sys/Cargo.toml
index 657f9994..b1040198 100644
--- a/oxrocksdb-sys/Cargo.toml
+++ b/oxrocksdb-sys/Cargo.toml
@@ -13,6 +13,9 @@ rust-version = "1.60"
 build = "build.rs"
 links = "rocksdb"
 
+[features]
+speedb = []
+
 [dependencies]
 libc = "0.2"
 
diff --git a/oxrocksdb-sys/README.md b/oxrocksdb-sys/README.md
index f4587db6..ae925e88 100644
--- a/oxrocksdb-sys/README.md
+++ b/oxrocksdb-sys/README.md
@@ -3,4 +3,6 @@ Oxigraph RocksDB bindings
 
 [RocksDB](http://rocksdb.org/) bindings for [Oxigraph](https://oxigraph.org).
 
+It is also possible to switch to [Speedb](https://www.speedb.dev/) by enabling the `"seedb"` Cargo feature.
+
 Based on [librocksdb-sys](https://crates.io/crates/librocksdb-sys) under Apache v2 license.
diff --git a/oxrocksdb-sys/api/build_version.cc b/oxrocksdb-sys/api/build_version.cc
index bdc6246f..01b5c44e 100644
--- a/oxrocksdb-sys/api/build_version.cc
+++ b/oxrocksdb-sys/api/build_version.cc
@@ -4,6 +4,9 @@
 
 #include "rocksdb/utilities/object_registry.h"
 #include "rocksdb/version.h"
+#ifdef SPEEDB
+#include "speedb/version.h"
+#endif
 
 namespace ROCKSDB_NAMESPACE {
 std::unordered_map<std::string, RegistrarFunc> ObjectRegistry::builtins_ = {};
@@ -24,9 +27,24 @@ std::string GetRocksVersionAsString(bool with_patch) {
   }
 }
 
+#ifdef SPEEDB
+std::string GetSpeedbVersionAsString(bool with_patch) {
+  std::string version =
+      std::to_string(SPEEDB_MAJOR) + "." + std::to_string(SPEEDB_MINOR);
+  if (with_patch) {
+    version += "." + std::to_string(SPEEDB_PATCH);
+  }
+  return version;
+}
+#endif
+
 std::string GetRocksBuildInfoAsString(const std::string& program,
                                       bool verbose) {
-  std::string info = program + " (RocksDB) " + GetRocksVersionAsString(true);
+  std::string info = program;
+#ifdef SPEEDB
+  info += " (Speedb " + GetSpeedbVersionAsString(true) + " )";
+#endif
+  info += " (RocksDB " + GetRocksVersionAsString(true) + " )";
   if (verbose) {
     for (const auto& it : GetRocksBuildProperties()) {
       info.append("\n    ");
@@ -37,4 +55,8 @@ std::string GetRocksBuildInfoAsString(const std::string& program,
   }
   return info;
 }
+
+#ifdef SPEEDB
+std::string GetRocksDebugPropertiesAsString() { return ""; }
+#endif
 }  // namespace ROCKSDB_NAMESPACE
diff --git a/oxrocksdb-sys/api/c.cc b/oxrocksdb-sys/api/c.cc
index 49c5e55a..628aa739 100644
--- a/oxrocksdb-sys/api/c.cc
+++ b/oxrocksdb-sys/api/c.cc
@@ -1,4 +1,8 @@
+#ifdef SPEEDB
+#include "../speedb/db/c.cc"
+#else
 #include "../rocksdb/db/c.cc"
+#endif
 
 #include "c.h"
 
diff --git a/oxrocksdb-sys/api/c.h b/oxrocksdb-sys/api/c.h
index c0b2887d..68a92c7d 100644
--- a/oxrocksdb-sys/api/c.h
+++ b/oxrocksdb-sys/api/c.h
@@ -1,6 +1,10 @@
 #pragma once
 
+#ifdef SPEEDB
+#include "../speedb/include/rocksdb/c.h"
+#else
 #include "../rocksdb/include/rocksdb/c.h"
+#endif
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/oxrocksdb-sys/build.rs b/oxrocksdb-sys/build.rs
index a2605cd6..e6b9050e 100644
--- a/oxrocksdb-sys/build.rs
+++ b/oxrocksdb-sys/build.rs
@@ -32,29 +32,42 @@ fn bindgen_rocksdb() {
 
 fn build_rocksdb() {
     let target = var("TARGET").unwrap();
+    let speedb = cfg!(feature = "speedb");
 
     let mut config = cc::Build::new();
     config
         .cpp(true)
-        .include("rocksdb/include/")
-        .include("rocksdb/")
+        .include(if speedb {
+            "speedb/include/"
+        } else {
+            "rocksdb/include/"
+        })
+        .include(if speedb { "speedb/" } else { "rocksdb/" })
         .file("api/c.cc")
         .file("api/build_version.cc")
         .define("NDEBUG", Some("1"))
         .define("LZ4", Some("1"))
         .include("lz4/lib/");
 
-    let mut lib_sources = include_str!("rocksdb/src.mk")
-        .split_once("LIB_SOURCES =")
-        .unwrap()
-        .1
-        .split_once("ifeq")
-        .unwrap()
-        .0
-        .split('\\')
-        .map(str::trim)
-        .filter(|p| !p.is_empty())
-        .collect::<Vec<_>>();
+    let mut lib_sources = if speedb {
+        include_str!("speedb/src.mk")
+    } else {
+        include_str!("rocksdb/src.mk")
+    }
+    .split_once("LIB_SOURCES =")
+    .unwrap()
+    .1
+    .split_once("ifeq")
+    .unwrap()
+    .0
+    .split('\\')
+    .map(str::trim)
+    .filter(|p| !p.is_empty())
+    .collect::<Vec<_>>();
+
+    if speedb {
+        config.define("SPEEDB", None);
+    }
 
     if target.contains("x86_64") {
         // This is needed to enable hardware CRC32C. Technically, SSE 4.2 is
@@ -177,7 +190,11 @@ fn build_rocksdb() {
         if file == "db/c.cc" || file == "util/build_version.cc" {
             continue;
         }
-        config.file(&format!("rocksdb/{file}"));
+        config.file(&if speedb {
+            format!("speedb/{file}")
+        } else {
+            format!("rocksdb/{file}")
+        });
     }
     config.compile("rocksdb");
 }
diff --git a/oxrocksdb-sys/speedb b/oxrocksdb-sys/speedb
new file mode 160000
index 00000000..288398bf
--- /dev/null
+++ b/oxrocksdb-sys/speedb
@@ -0,0 +1 @@
+Subproject commit 288398bf74c5c8d708a2f1823cf5db38975dabc8
diff --git a/oxrocksdb-sys/trim_rocksdb.sh b/oxrocksdb-sys/trim_rocksdb.sh
index d76eda76..5fcb96a1 100644
--- a/oxrocksdb-sys/trim_rocksdb.sh
+++ b/oxrocksdb-sys/trim_rocksdb.sh
@@ -2,3 +2,5 @@
 
 cd "$(dirname "$0")"/rocksdb || return
 rm -rf java .circleci .github build_tools coverage db_stress_tool docs examples fuzz java microbench ./**/*_test.cc
+cd "$(dirname "$0")"/speedb || return
+rm -rf java .circleci .github build_tools coverage db_stress_tool docs examples fuzz java microbench ./**/*_test.cc
diff --git a/server/Cargo.toml b/server/Cargo.toml
index f4c1acff..ba909b21 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -12,6 +12,9 @@ Oxigraph SPARQL HTTP server
 edition = "2021"
 rust-version = "1.60"
 
+[features]
+speedb = ["oxigraph/speedb"]
+
 [dependencies]
 anyhow = "1"
 oxhttp = { version = "0.1", features = ["rayon"] }
diff --git a/server/src/main.rs b/server/src/main.rs
index cec53526..336f055e 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -1604,6 +1604,11 @@ mod tests {
             escargot::CargoBuild::new()
                 .bin(env!("CARGO_PKG_NAME"))
                 .manifest_path(format!("{}/Cargo.toml", env!("CARGO_MANIFEST_DIR")))
+                .features(if cfg!(feature = "speedb") {
+                    "speedb"
+                } else {
+                    ""
+                })
                 .run()?
                 .command(),
         ))