diff --git a/Cargo.lock b/Cargo.lock
index 95a28c5b0e0a56..f4d9ef44094a5c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -293,6 +293,7 @@ dependencies = [
  "deno 0.24.0",
  "deno_typescript 0.24.0",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "dlopen 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fwdansi 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -360,6 +361,27 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "dlopen"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "dlopen_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "dlopen_derive"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "downcast-rs"
 version = "1.1.1"
@@ -972,6 +994,14 @@ name = "proc-macro-nested"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "proc-macro2"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.6"
@@ -992,6 +1022,14 @@ dependencies = [
  "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "quote"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.2"
@@ -1439,6 +1477,16 @@ name = "strsim"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "syn"
+version = "0.15.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.7"
@@ -1789,6 +1837,11 @@ name = "unicode-width"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.0"
@@ -2078,6 +2131,8 @@ dependencies = [
 "checksum ct-logs 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4d3686f5fa27dbc1d76c751300376e167c5a43387f44bb451fd1c24776e49113"
 "checksum dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "13aea89a5c93364a98e9b37b2fa237effbb694d5cfe01c5b70941f7eb087d5e3"
 "checksum dirs-sys 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "afa0b23de8fd801745c471deffa6e12d248f962c9fd4b4c33787b055599bde7b"
+"checksum dlopen 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "71e80ad39f814a9abe68583cd50a2d45c8a67561c3361ab8da240587dda80937"
+"checksum dlopen_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f236d9e1b1fbd81cea0f9cbdc8dcc7e8ebcd80e6659cd7cb2ad5f6c05946c581"
 "checksum downcast-rs 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "52ba6eb47c2131e784a38b726eb54c1e1484904f013e576a25354d0124161af6"
 "checksum dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ea57b42383d091c85abcc2706240b94ab2a8fa1fc81c10ff23c4de06e2a90b5e"
 "checksum either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
@@ -2147,8 +2202,10 @@ dependencies = [
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
 "checksum proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ecd45702f76d6d3c75a80564378ae228a85f0b59d2f3ed43c91b4a69eb2ebfc5"
 "checksum proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "369a6ed065f249a159e06c45752c780bda2fb53c995718f9e484d08daa9eb42e"
+"checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
 "checksum proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27"
 "checksum publicsuffix 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9bf259a81de2b2eb9850ec990ec78e6a25319715584fd7652b9b26f96fcb1510"
+"checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
 "checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
 "checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
 "checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
@@ -2197,6 +2254,7 @@ dependencies = [
 "checksum spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 "checksum string 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d24114bfcceb867ca7f71a0d3fe45d45619ec47a6fbfa98cb14e14250bfa5d6d"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+"checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
 "checksum syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "0e7bedb3320d0f3035594b0b723c8a28d7d336a3eda3881db79e61d676fb644c"
 "checksum synstructure 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "575be94ccb86e8da37efb894a87e2b660be299b41d8ef347f9d6d79fbe61b1ba"
 "checksum sys-info 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)" = "0079fe39cec2c8215e21b0bc4ccec9031004c160b88358f531b601e96b77f0df"
@@ -2229,6 +2287,7 @@ dependencies = [
 "checksum unicode-normalization 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "09c8070a9942f5e7cfccd93f490fdebd230ee3c3c9f107cb25bad5351ef671cf"
 "checksum unicode-segmentation 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49f5526225fd8b77342d5986ab5f6055552e9c0776193b5b63fd53b46debfad7"
 "checksum unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7007dbd421b92cc6e28410fe7362e2e0a2503394908f417b68ec8d1c364c4e20"
+"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 "checksum untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60369ef7a31de49bcb3f6ca728d4ba7300d9a1658f94c727d4cab8c8d9f4aece"
 "checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 7bacd031aa774d..5c234c58a99acf 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -31,6 +31,7 @@ base64 = "0.11.0"
 byteorder = "1.3.2"
 clap = "2.33.0"
 dirs = "2.0.2"
+dlopen = "0.1.8"
 futures = { version = "0.3", features = [ "compat", "io-compat" ] }
 http = "0.1.19"
 hyper = "0.12.35"
diff --git a/cli/deno_error.rs b/cli/deno_error.rs
index 346149cd16da26..7c4c24e3c90141 100644
--- a/cli/deno_error.rs
+++ b/cli/deno_error.rs
@@ -6,6 +6,7 @@ pub use crate::msg::ErrorKind;
 use deno::AnyError;
 use deno::ErrBox;
 use deno::ModuleResolutionError;
+use dlopen::Error as DlopenError;
 use http::uri;
 use hyper;
 use reqwest;
@@ -287,6 +288,19 @@ mod unix {
   }
 }
 
+impl GetErrorKind for DlopenError {
+  fn kind(&self) -> ErrorKind {
+    use dlopen::Error::*;
+    match self {
+      NullCharacter(_) => ErrorKind::Other,
+      OpeningLibraryError(e) => GetErrorKind::kind(e),
+      SymbolGettingError(e) => GetErrorKind::kind(e),
+      NullSymbol => ErrorKind::Other,
+      AddrNotMatchingDll(e) => GetErrorKind::kind(e),
+    }
+  }
+}
+
 impl GetErrorKind for dyn AnyError {
   fn kind(&self) -> ErrorKind {
     use self::GetErrorKind as Get;
@@ -320,6 +334,7 @@ impl GetErrorKind for dyn AnyError {
           .downcast_ref::<serde_json::error::Error>()
           .map(Get::kind)
       })
+      .or_else(|| self.downcast_ref::<DlopenError>().map(Get::kind))
       .or_else(|| unix_error_kind(self))
       .unwrap_or_else(|| {
         panic!("Can't get ErrorKind for {:?}", self);
diff --git a/cli/flags.rs b/cli/flags.rs
index 393ca48b6072cb..99e370c817908f 100644
--- a/cli/flags.rs
+++ b/cli/flags.rs
@@ -48,6 +48,7 @@ pub struct DenoFlags {
   pub net_whitelist: Vec<String>,
   pub allow_env: bool,
   pub allow_run: bool,
+  pub allow_native: bool,
   pub allow_hrtime: bool,
   pub no_prompts: bool,
   pub no_fetch: bool,
@@ -105,6 +106,11 @@ fn add_run_args<'a, 'b>(app: App<'a, 'b>) -> App<'a, 'b> {
         .long("allow-run")
         .help("Allow running subprocesses"),
     )
+    .arg(
+      Arg::with_name("allow-native")
+        .long("allow-native")
+        .help("Allow opening native plugins"),
+    )
     .arg(
       Arg::with_name("allow-hrtime")
         .long("allow-hrtime")
@@ -837,6 +843,9 @@ fn parse_run_args(mut flags: DenoFlags, matches: &ArgMatches) -> DenoFlags {
   if matches.is_present("allow-run") {
     flags.allow_run = true;
   }
+  if matches.is_present("allow-native") {
+    flags.allow_native = true;
+  }
   if matches.is_present("allow-hrtime") {
     flags.allow_hrtime = true;
   }
@@ -847,6 +856,7 @@ fn parse_run_args(mut flags: DenoFlags, matches: &ArgMatches) -> DenoFlags {
     flags.allow_run = true;
     flags.allow_read = true;
     flags.allow_write = true;
+    flags.allow_native = true;
     flags.allow_hrtime = true;
   }
   if matches.is_present("no-fetch") {
@@ -964,6 +974,7 @@ pub fn flags_from_vec(
       flags.allow_run = true;
       flags.allow_read = true;
       flags.allow_write = true;
+      flags.allow_native = true;
       flags.allow_hrtime = true;
       let code: &str = eval_match.value_of("code").unwrap();
       argv.extend(vec![code.to_string()]);
@@ -1041,6 +1052,7 @@ pub fn flags_from_vec(
       flags.allow_net = true;
       flags.allow_env = true;
       flags.allow_run = true;
+      flags.allow_native = true;
       argv.push(INSTALLER_URL.to_string());
 
       if install_match.is_present("dir") {
@@ -1131,6 +1143,7 @@ pub fn flags_from_vec(
       flags.allow_run = true;
       flags.allow_read = true;
       flags.allow_write = true;
+      flags.allow_native = true;
       flags.allow_hrtime = true;
       argv.push(XEVAL_URL.to_string());
 
@@ -1174,6 +1187,7 @@ pub fn flags_from_vec(
       flags.allow_run = true;
       flags.allow_read = true;
       flags.allow_write = true;
+      flags.allow_native = true;
       flags.allow_hrtime = true;
       DenoSubcommand::Repl
     }
diff --git a/cli/ops/mod.rs b/cli/ops/mod.rs
index 9b33d59189ec72..d039d5e132680c 100644
--- a/cli/ops/mod.rs
+++ b/cli/ops/mod.rs
@@ -13,6 +13,7 @@ pub mod fetch;
 pub mod files;
 pub mod fs;
 pub mod io;
+pub mod native_plugins;
 pub mod net;
 pub mod os;
 pub mod permissions;
diff --git a/cli/ops/native_plugins.rs b/cli/ops/native_plugins.rs
new file mode 100644
index 00000000000000..e62a442e71b8c1
--- /dev/null
+++ b/cli/ops/native_plugins.rs
@@ -0,0 +1,103 @@
+use super::dispatch_json::{Deserialize, JsonOp, Value};
+use crate::fs as deno_fs;
+use crate::ops::json_op;
+use crate::state::ThreadSafeState;
+use deno::*;
+use dlopen::symbor::Library;
+use std::collections::HashMap;
+use std::ffi::OsStr;
+use std::sync::Arc;
+use std::sync::Mutex;
+
+pub fn init(
+  i: &mut Isolate,
+  s: &ThreadSafeState,
+  isolate_arc: Arc<Mutex<deno::Isolate>>,
+) {
+  let isolate_arc_ = isolate_arc.clone();
+  i.register_op(
+    "open_native_plugin",
+    s.core_op(json_op(s.stateful_op(move |state, args, zero_copy| {
+      op_open_native_plugin(&isolate_arc_, state, args, zero_copy)
+    }))),
+  );
+}
+
+fn open_plugin<P: AsRef<OsStr>>(lib_path: P) -> Result<Library, ErrBox> {
+  debug!("Loading Native Plugin: {:#?}", lib_path.as_ref());
+
+  Library::open(lib_path).map_err(ErrBox::from)
+}
+
+struct NativePluginResource {
+  lib: Library,
+  ops: Vec<(String, OpId)>,
+}
+
+impl Resource for NativePluginResource {}
+
+struct InitContext {
+  isolate: Arc<Mutex<deno::Isolate>>,
+  plugin_rid: ResourceId,
+  ops: Vec<(String, OpId)>,
+}
+
+impl PluginInitContext for InitContext {
+  fn register_op(
+    &mut self,
+    name: &str,
+    op: Box<dyn Fn(&[u8], Option<PinnedBuf>) -> CoreOp + Send + Sync + 'static>,
+  ) -> OpId {
+    let mut i = self.isolate.lock().unwrap();
+    let opid = i.register_op(&format!("{}_{}", self.plugin_rid, name), op);
+    self.ops.push((name.to_string(), opid));
+    opid
+  }
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct OpenNativePluginArgs {
+  filename: String,
+}
+
+pub fn op_open_native_plugin(
+  isolate: &Arc<Mutex<Isolate>>,
+  state: &ThreadSafeState,
+  args: Value,
+  _zero_copy: Option<PinnedBuf>,
+) -> Result<JsonOp, ErrBox> {
+  let args: OpenNativePluginArgs = serde_json::from_value(args)?;
+  let (filename, filename_) = deno_fs::resolve_from_cwd(&args.filename)?;
+
+  state.check_native(&filename_)?;
+
+  let lib = open_plugin(filename)?;
+  let plugin_resource = NativePluginResource {
+    lib,
+    ops: Vec::new(),
+  };
+  let mut table = state.lock_resource_table();
+  let rid = table.add("native_plugin", Box::new(plugin_resource));
+  let plugin_resource = table.get_mut::<NativePluginResource>(rid).unwrap();
+
+  let init_fn = *unsafe {
+    plugin_resource
+      .lib
+      .symbol::<PluginInitFn>("native_plugin_init")
+  }?;
+  let mut init_context = InitContext {
+    isolate: isolate.clone(),
+    plugin_rid: rid,
+    ops: Vec::new(),
+  };
+  init_fn(&mut init_context);
+  plugin_resource.ops.append(&mut init_context.ops);
+  let ops: HashMap<String, OpId> = plugin_resource
+    .ops
+    .iter()
+    .map(|record| (record.0.clone(), record.1))
+    .collect();
+
+  Ok(JsonOp::Sync(json!({ "rid": rid, "ops": ops })))
+}
diff --git a/cli/permissions.rs b/cli/permissions.rs
index fe0a7d473c89ac..f1e61e26ee0c14 100644
--- a/cli/permissions.rs
+++ b/cli/permissions.rs
@@ -141,6 +141,7 @@ pub struct DenoPermissions {
   pub net_whitelist: Arc<HashSet<String>>,
   pub allow_env: PermissionAccessor,
   pub allow_run: PermissionAccessor,
+  pub allow_native: PermissionAccessor,
   pub allow_hrtime: PermissionAccessor,
 }
 
@@ -157,6 +158,7 @@ impl DenoPermissions {
       net_whitelist: Arc::new(flags.net_whitelist.iter().cloned().collect()),
       allow_env: PermissionAccessor::from(flags.allow_env),
       allow_run: PermissionAccessor::from(flags.allow_run),
+      allow_native: PermissionAccessor::from(flags.allow_native),
       allow_hrtime: PermissionAccessor::from(flags.allow_hrtime),
     }
   }
@@ -300,6 +302,13 @@ impl DenoPermissions {
       .request("Deno requests to access to high precision time.")
   }
 
+  pub fn check_native(&self, filename: &str) -> Result<(), ErrBox> {
+    self.allow_native.get_state().check(
+      &format!("access to open a native plugin: {}", filename),
+      "run again with the --allow-run flag",
+    )
+  }
+
   pub fn get_permission_state(
     &self,
     name: &str,
diff --git a/cli/state.rs b/cli/state.rs
index 245919e7f000c7..c421dcc990e798 100644
--- a/cli/state.rs
+++ b/cli/state.rs
@@ -288,6 +288,11 @@ impl ThreadSafeState {
     self.permissions.check_run()
   }
 
+  #[inline]
+  pub fn check_native(&self, filename: &str) -> Result<(), ErrBox> {
+    self.permissions.check_native(filename)
+  }
+
   pub fn check_dyn_import(
     self: &Self,
     module_specifier: &ModuleSpecifier,
diff --git a/core/lib.rs b/core/lib.rs
index 31f717769e929b..f1becb5d7e8f9b 100644
--- a/core/lib.rs
+++ b/core/lib.rs
@@ -14,6 +14,7 @@ mod libdeno;
 mod module_specifier;
 mod modules;
 mod ops;
+mod plugins;
 mod resources;
 mod shared_queue;
 
@@ -27,6 +28,7 @@ pub use crate::libdeno::PinnedBuf;
 pub use crate::module_specifier::*;
 pub use crate::modules::*;
 pub use crate::ops::*;
+pub use crate::plugins::*;
 pub use crate::resources::*;
 
 pub fn v8_version() -> &'static str {
diff --git a/core/plugins.rs b/core/plugins.rs
new file mode 100644
index 00000000000000..0c20bc0e45fad0
--- /dev/null
+++ b/core/plugins.rs
@@ -0,0 +1,22 @@
+use crate::libdeno::{OpId, PinnedBuf};
+use crate::ops::CoreOp;
+
+pub type PluginInitFn = fn(context: &mut dyn PluginInitContext);
+
+pub trait PluginInitContext {
+  fn register_op(
+    &mut self,
+    name: &str,
+    op: Box<dyn Fn(&[u8], Option<PinnedBuf>) -> CoreOp + Send + Sync + 'static>,
+  ) -> OpId;
+}
+
+#[macro_export]
+macro_rules! init_fn {
+  ($fn:path) => {
+    #[no_mangle]
+    pub fn native_plugin_init(context: &mut dyn PluginInitContext) {
+      $fn(context)
+    }
+  };
+}