diff --git a/Cargo.lock b/Cargo.lock
index badd91ae..278ac9c0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5115,9 +5115,11 @@ name = "veilid-flutter"
 version = "0.1.0"
 dependencies = [
  "allo-isolate",
+ "async-std",
  "backtrace",
+ "cfg-if 1.0.0",
  "ffi-support",
- "futures",
+ "futures-util",
  "hostname",
  "jni",
  "lazy_static",
@@ -5128,6 +5130,8 @@ dependencies = [
  "serde",
  "serde_json",
  "tokio",
+ "tokio-stream",
+ "tokio-util 0.6.10",
  "tracing",
  "tracing-opentelemetry",
  "tracing-subscriber",
diff --git a/veilid-flutter/rust/Cargo.toml b/veilid-flutter/rust/Cargo.toml
index 1c87f745..deeea4d6 100644
--- a/veilid-flutter/rust/Cargo.toml
+++ b/veilid-flutter/rust/Cargo.toml
@@ -6,6 +6,11 @@ edition = "2021"
 [lib]
 crate-type = ["cdylib", "staticlib", "rlib"]
 
+[features]
+default = [ "rt-tokio" ]
+rt-async-std = [ "veilid-core/rt-async-std", "async-std", "opentelemetry/rt-async-std", "opentelemetry-otlp/grpc-sys"]
+rt-tokio = [ "veilid-core/rt-tokio", "tokio", "tokio-stream", "tokio-util", "opentelemetry/rt-tokio"]
+
 [dependencies]
 tracing = { version = "^0", features = ["log", "attributes"] }
 tracing-subscriber = "^0"
@@ -13,20 +18,24 @@ parking_lot = "^0"
 backtrace = "^0"
 serde_json = "^1"
 serde = "^1"
-futures = "^0"
+futures-util = { version = "^0", default_features = false, features = ["alloc"] }
+cfg-if = "^1"
 
 # Dependencies for native builds only
 # Linux, Windows, Mac, iOS, Android
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-veilid-core = { path="../../veilid-core", features = [ "rt-tokio" ] }
-tokio = { version = "^1", features = ["full"] }
+veilid-core = { path="../../veilid-core" }
+tracing-opentelemetry = "^0"
+opentelemetry = { version = "^0" }
+opentelemetry-otlp = { version = "^0" }
+opentelemetry-semantic-conventions = "^0"
+async-std = { version = "^1", features = ["unstable"], optional = true }
+tokio = { version = "^1", features = ["full"], optional = true }
+tokio-stream = { version = "^0", features = ["net"], optional = true }
+tokio-util = { version = "^0", features = ["compat"], optional = true}
 allo-isolate = "^0"
 ffi-support = "^0"
 lazy_static = "^1"
-tracing-opentelemetry = "^0"
-opentelemetry = { version = "^0", features = ["rt-tokio"] }
-opentelemetry-otlp = { version = "^0" }
-opentelemetry-semantic-conventions = "^0"
 hostname = "^0"
 
 # Dependencies for WASM builds only
diff --git a/veilid-flutter/rust/src/dart_ffi.rs b/veilid-flutter/rust/src/dart_ffi.rs
index 80142870..5f07aa06 100644
--- a/veilid-flutter/rust/src/dart_ffi.rs
+++ b/veilid-flutter/rust/src/dart_ffi.rs
@@ -1,6 +1,7 @@
 use crate::dart_isolate_wrapper::*;
+use crate::tools::*;
 use allo_isolate::*;
-use async_std::sync::Mutex as AsyncMutex;
+use cfg_if::*;
 use ffi_support::*;
 use lazy_static::*;
 use opentelemetry::sdk::*;
@@ -184,29 +185,38 @@ pub extern "C" fn configure_veilid_platform(platform_config: FfiStr) {
             platform_config.logging.otlp.level.to_tracing_level().into();
         let grpc_endpoint = platform_config.logging.otlp.grpc_endpoint.clone();
 
+        cfg_if! {
+            if #[cfg(feature="rt-async-std")] {
+                let exporter = opentelemetry_otlp::new_exporter()
+                    .grpcio()
+                    .with_endpoint(grpc_endpoint);
+                let batch = opentelemetry::runtime::AsyncStd;
+            } else if #[cfg(feature="rt-tokio")] {
+                let exporter = opentelemetry_otlp::new_exporter()
+                    .tonic()
+                    .with_endpoint(format!("http://{}", grpc_endpoint));
+                let batch = opentelemetry::runtime::Tokio;
+            }
+        }
+
         let tracer =
             opentelemetry_otlp::new_pipeline()
                 .tracing()
-                .with_exporter(
-                    opentelemetry_otlp::new_exporter()
-                        .grpcio()
-                        .with_endpoint(grpc_endpoint),
-                )
+                .with_exporter(exporter)
                 .with_trace_config(opentelemetry::sdk::trace::config().with_resource(
                     Resource::new(vec![KeyValue::new(
                         opentelemetry_semantic_conventions::resource::SERVICE_NAME,
                         format!(
-                         "{}:{}",
-                         platform_config.logging.otlp.service_name,
-                         hostname::get()
-                             .map(|s| s.to_string_lossy().into_owned())
-                             .unwrap_or_else(|_| "unknown".to_owned())
-                     ),
+                        "{}:{}",
+                        platform_config.logging.otlp.service_name,
+                        hostname::get()
+                            .map(|s| s.to_string_lossy().into_owned())
+                            .unwrap_or_else(|_| "unknown".to_owned())),
                     )]),
                 ))
-                .install_batch(opentelemetry::runtime::AsyncStd)
+                .install_batch(batch)
                 .map_err(|e| format!("failed to install OpenTelemetry tracer: {}", e))
-                .expect("failed to initalize ffi platform");
+                .unwrap();
 
         let ignore_list = ignore_list.clone();
         Some(
@@ -235,7 +245,7 @@ pub extern "C" fn configure_veilid_platform(platform_config: FfiStr) {
 pub extern "C" fn startup_veilid_core(port: i64, config: FfiStr) {
     let config = config.into_opt_string();
     let stream = DartIsolateStream::new(port);
-    async_std::task::spawn(async move {
+    spawn(async move {
         let config_json = match config {
             Some(v) => v,
             None => {
diff --git a/veilid-flutter/rust/src/dart_isolate_wrapper.rs b/veilid-flutter/rust/src/dart_isolate_wrapper.rs
index cbd01466..a3a92566 100644
--- a/veilid-flutter/rust/src/dart_isolate_wrapper.rs
+++ b/veilid-flutter/rust/src/dart_isolate_wrapper.rs
@@ -1,3 +1,4 @@
+use crate::tools::*;
 pub use allo_isolate::ffi::DartCObject;
 pub use allo_isolate::IntoDart;
 use allo_isolate::Isolate;
@@ -35,7 +36,7 @@ impl DartIsolateWrapper {
         T: IntoDart + Debug,
         E: Serialize + Debug,
     {
-        async_std::task::spawn(async move {
+        spawn(async move {
             self.result(future.await);
         });
     }
@@ -46,7 +47,7 @@ impl DartIsolateWrapper {
         T: Serialize + Debug,
         E: Serialize + Debug,
     {
-        async_std::task::spawn(async move {
+        spawn(async move {
             self.result_json(future.await);
         });
     }
diff --git a/veilid-flutter/rust/src/lib.rs b/veilid-flutter/rust/src/lib.rs
index f67c8499..30a72cc6 100644
--- a/veilid-flutter/rust/src/lib.rs
+++ b/veilid-flutter/rust/src/lib.rs
@@ -1,5 +1,6 @@
 mod dart_ffi;
 mod dart_isolate_wrapper;
+mod tools;
 
 #[cfg(target_os = "android")]
 use jni::{objects::JClass, objects::JObject, JNIEnv};
diff --git a/veilid-flutter/rust/src/tools.rs b/veilid-flutter/rust/src/tools.rs
new file mode 100644
index 00000000..ccac253b
--- /dev/null
+++ b/veilid-flutter/rust/src/tools.rs
@@ -0,0 +1,33 @@
+use cfg_if::*;
+use core::future::Future;
+
+cfg_if! {
+    if #[cfg(feature="rt-async-std")] {
+        pub use async_std::task::JoinHandle;
+        pub use async_std::net::TcpStream;
+        pub use async_std::future::TimeoutError;
+        pub use async_std::sync::Mutex as AsyncMutex;
+
+        pub fn spawn<F: Future<Output = T> + Send + 'static, T: Send + 'static>(f: F) -> JoinHandle<T> {
+            async_std::task::spawn(f)
+        }
+
+        pub use async_std::task::sleep;
+        pub use async_std::future::timeout;
+    } else if #[cfg(feature="rt-tokio")] {
+        pub use tokio::task::JoinHandle;
+        pub use tokio::net::TcpStream;
+        pub use tokio::time::error::Elapsed as TimeoutError;
+        pub use tokio::sync::Mutex as AsyncMutex;
+        pub fn spawn<F: Future<Output = T> + Send + 'static, T: Send + 'static>(f: F) -> JoinHandle<T> {
+            GLOBAL_RUNTIME.spawn(f)
+        }
+
+        pub use tokio::time::sleep;
+        pub use tokio::time::timeout;
+        lazy_static::lazy_static! {
+            static ref GLOBAL_RUNTIME: tokio::runtime::Runtime = tokio::runtime::Runtime::new().unwrap();
+        }
+
+    }
+}
diff --git a/veilid-wasm/Cargo.toml b/veilid-wasm/Cargo.toml
index 6bac02a7..c5cd2426 100644
--- a/veilid-wasm/Cargo.toml
+++ b/veilid-wasm/Cargo.toml
@@ -9,13 +9,15 @@ license = "LGPL-2.0-or-later OR MPL-2.0 OR (MIT AND BSD-3-Clause)"
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-wasm-bindgen = { version = "^0", features = ["serde-serialize"] }
-console_error_panic_hook = "^0"
-wee_alloc = "^0"
+veilid-core = { path = "../veilid-core" }
+
 tracing = { version = "^0", features = ["log", "attributes"] }
 tracing-wasm = "^0"
 tracing-subscriber = "^0"
-veilid-core = { path = "../veilid-core" }
+
+wasm-bindgen = { version = "^0", features = ["serde-serialize"] }
+console_error_panic_hook = "^0"
+wee_alloc = "^0"
 cfg-if = "^1"
 wasm-bindgen-futures = "^0"
 js-sys = "^0"