diff --git a/libp2p/multistream.nim b/libp2p/multistream.nim
new file mode 100644
index 0000000..b606050
--- /dev/null
+++ b/libp2p/multistream.nim
@@ -0,0 +1,118 @@
+## Nim-LibP2P
+## Copyright (c) 2018 Status Research & Development GmbH
+## Licensed under either of
+##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
+##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
+## at your option.
+## This file may not be copied, modified, or distributed except according to
+## those terms.
+
+import sequtils, strutils
+import chronos
+import connection, varint, vbuffer, protocol
+
+const MsgSize* = 64*1024
+const Codec* = "/multistream/1.0.0"
+const MultiCodec* = "\x13" & Codec & "\n"
+const Na = "\x03na\n"
+const Ls = "\x03ls\n"
+
+type
+  MultisteamSelectException = object of CatchableError
+  Matcher* = proc (proto: string): bool
+
+  HandlerHolder* = object
+    proto: string
+    protocol: LPProtocol
+    handler: LPProtoHandler
+    match: Matcher
+
+  MultisteamSelect* = ref object of RootObj
+    handlers*: seq[HandlerHolder]
+    codec*: string
+    na: string
+    ls: string
+
+proc newMultistream*(): MultisteamSelect =
+  new result
+  result.codec = MultiCodec
+  result.ls = Ls
+  result.na = Na
+
+proc select*(m: MultisteamSelect,
+             conn: Connection,
+             proto: string = ""): Future[bool] {.async.} =
+  ## select a remote protocol
+  ## TODO: select should support a list of protos to be selected
+
+  await conn.write(m.codec)   # write handshake
+  if proto.len() > 0:
+    await conn.writeLp(proto) # select proto
+
+  var ms = cast[string](await conn.readLp())
+  ms.removeSuffix("\n")
+  if ms != Codec:
+    return false
+
+  if proto.len() <= 0:
+    return true
+
+  ms = cast[string](await conn.readLp())
+  ms.removeSuffix("\n")
+  result = ms == proto
+
+proc list*(m: MultisteamSelect,
+           conn: Connection): Future[seq[string]] {.async.} =
+  ## list remote protos requests on connection
+  if not (await m.select(conn)):
+    return
+
+  await conn.write(m.ls)      # send ls
+
+  var list = newSeq[string]()
+  let ms = cast[string](await conn.readLp())
+  for s in ms.split("\n"):
+    if s.len() > 0:
+      list.add(s)
+
+  result = list
+
+proc handle*(m: MultisteamSelect, conn: Connection) {.async, gcsafe.} =
+  ## handle requests on connection
+  if not (await m.select(conn)):
+    return
+
+  while not conn.closed:
+    var ms = cast[string](await conn.readLp())
+    ms.removeSuffix("\n")
+    if ms.len() <= 0:
+      await conn.write(m.na)
+
+    if m.handlers.len() == 0:
+      await conn.write(m.na)
+      continue
+
+    case ms:
+      of "ls":
+        var protos = ""
+        for h in m.handlers:
+          protos &= (h.proto & "\n")
+        await conn.writeLp(cast[seq[byte]](toSeq(protos.items)))
+      else:
+        for h in m.handlers:
+          if (not isNil(h.match) and h.match(ms)) or ms == h.proto:
+            await conn.writeLp(h.proto & "\n")
+            await h.handler(h.protocol, conn, ms)
+            return
+        await conn.write(m.na)
+
+proc addHandler*[T: LPProtocol](m: MultisteamSelect,
+                                proto: string,
+                                protocol: T,
+                                handler: LPProtoHandler,
+                                matcher: Matcher = nil) =
+  ## register a handler for the protocol
+  m.handlers.add(HandlerHolder(proto: proto,
+                               handler: handler,
+                               protocol: protocol,
+                               match: matcher))
diff --git a/tests/testmultistream.nim b/tests/testmultistream.nim
new file mode 100644
index 0000000..191576a
--- /dev/null
+++ b/tests/testmultistream.nim
@@ -0,0 +1,265 @@
+import unittest, strutils, sequtils, sugar
+import chronos
+import ../libp2p/connection, ../libp2p/multistream,
+  ../libp2p/stream, ../libp2p/connection, ../libp2p/multiaddress,
+  ../libp2p/transport, ../libp2p/tcptransport, ../libp2p/protocol
+
+## Mock stream for select test
+type
+  TestSelectStream = ref object of LPStream
+    step*: int
+
+method readExactly*(s: TestSelectStream,
+                    pbytes: pointer,
+                    nbytes: int): Future[void] {.async.} =
+  case s.step:
+    of 1:
+      var buf = newSeq[byte](1)
+      buf[0] = 19
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 2
+    of 2:
+      var buf = "/multistream/1.0.0\n"
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 3
+    of 3:
+      var buf = newSeq[byte](1)
+      buf[0] = 18
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 4
+    of 4:
+      var buf = "/test/proto/1.0.0\n"
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+    else:
+      copyMem(cast[pointer](cast[uint](pbytes)),
+              cstring("\0x3na\n"),
+              "\0x3na\n".len())
+
+proc newTestSelectStream(): TestSelectStream =
+  new result
+  result.step = 1
+
+## Mock stream for handles `ls` test
+type
+  LsHandler = proc(procs: seq[byte]): Future[void]
+
+  TestLsStream = ref object of LPStream
+    step*: int
+    ls*: LsHandler
+
+method readExactly*(s: TestLsStream,
+                    pbytes: pointer,
+                    nbytes: int): Future[void] {.async.} =
+  case s.step:
+    of 1:
+      var buf = newSeq[byte](1)
+      buf[0] = 19
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 2
+    of 2:
+      var buf = "/multistream/1.0.0\n"
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 3
+    of 3:
+      var buf = newSeq[byte](1)
+      buf[0] = 3
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 4
+    of 4:
+      var buf = "ls\n"
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+    else:
+      copyMem(cast[pointer](cast[uint](pbytes)),
+              cstring("\0x3na\n"),
+              "\0x3na\n".len())
+
+method write*(s: TestLsStream, msg: seq[byte], msglen = -1) {.async.} =
+  if s.step == 4:
+    await s.ls(msg)
+
+proc newTestLsStream(ls: LsHandler): TestLsStream =
+  new result
+  result.ls = ls
+  result.step = 1
+
+## Mock stream for handles `na` test
+type
+  NaHandler = proc(procs: string): Future[void]
+
+  TestNaStream = ref object of LPStream
+    step*: int
+    na*: NaHandler
+
+method readExactly*(s: TestNaStream,
+                    pbytes: pointer,
+                    nbytes: int): Future[void] {.async.} =
+  case s.step:
+    of 1:
+      var buf = newSeq[byte](1)
+      buf[0] = 19
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 2
+    of 2:
+      var buf = "/multistream/1.0.0\n"
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 3
+    of 3:
+      var buf = newSeq[byte](1)
+      buf[0] = 18
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+      s.step = 4
+    of 4:
+      var buf = "/test/proto/1.0.0\n"
+      copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
+    else:
+      copyMem(cast[pointer](cast[uint](pbytes)),
+              cstring("\0x3na\n"),
+              "\0x3na\n".len())
+
+method write*(s: TestNaStream, msg: string, msglen = -1) {.async.} =
+  if s.step == 4:
+    await s.na(msg)
+
+proc newTestNaStream(na: NaHandler): TestNaStream =
+  new result
+  result.na = na
+  result.step = 1
+
+suite "Multistream select":
+  test "test select custom proto":
+    proc testSelect(): Future[bool] {.async.} =
+      let ms = newMultistream()
+      let conn = newConnection(newTestSelectStream())
+      result = await ms.select(conn, "/test/proto/1.0.0")
+
+    check:
+      waitFor(testSelect()) == true
+
+  test "test handle custom proto":
+    proc testHandle(): Future[bool] {.async.} =
+      let ms = newMultistream()
+      let conn = newConnection(newTestSelectStream())
+
+      var protocol: LPProtocol
+      proc testHandler(protocol: LPProtocol, 
+                       conn: Connection,
+                       proto: string): Future[void] {.async, gcsafe.} =
+        check proto == "/test/proto/1.0.0"
+
+      ms.addHandler("/test/proto/1.0.0", protocol, testHandler)
+      await ms.handle(conn)
+      result = true
+
+    check:
+      waitFor(testHandle()) == true
+
+  test "test handle `ls`":
+    proc testLs(): Future[bool] {.async.} =
+      let ms = newMultistream()
+
+      proc testLs(proto: seq[byte]): Future[void] {.async.}
+      let conn = newConnection(newTestLsStream(testLs))
+
+      proc testLs(proto: seq[byte]): Future[void] {.async.} =
+        var strProto: string = cast[string](proto)
+        check strProto == "\x26/test/proto1/1.0.0\n/test/proto2/1.0.0\n"
+        await conn.close()
+
+      var protocol: LPProtocol
+      proc testHandler(protocol: LPProtocol,
+                       conn: Connection,
+                       proto: string): Future[void] {.async, gcsafe.} = discard
+      ms.addHandler("/test/proto1/1.0.0", protocol, testHandler)
+      ms.addHandler("/test/proto2/1.0.0", protocol, testHandler)
+      await ms.handle(conn)
+      result = true
+
+    check:
+      waitFor(testLs()) == true
+
+  test "test handle `na`":
+    proc testNa(): Future[bool] {.async.} =
+      let ms = newMultistream()
+
+      proc testNa(msg: string): Future[void] {.async.}
+      let conn = newConnection(newTestNaStream(testNa))
+
+      proc testNa(msg: string): Future[void] {.async.} =
+        check cast[string](msg) == "\x3na\n"
+        await conn.close()
+
+      var protocol: LPProtocol
+      proc testHandler(protocol: LPProtocol,
+                       conn: Connection,
+                       proto: string): Future[void] {.async, gcsafe.} = discard
+      ms.addHandler("/unabvailable/proto/1.0.0", protocol, testHandler)
+
+      await ms.handle(conn)
+      result = true
+
+    check:
+      waitFor(testNa()) == true
+
+  test "e2e - handle":
+    proc endToEnd(): Future[bool] {.async.} =
+      let ma: MultiAddress = Multiaddress.init("/ip4/127.0.0.1/tcp/53350")
+      var protocol: LPProtocol
+      proc testHandler(protocol: LPProtocol,
+                       conn: Connection,
+                       proto: string): Future[void] {.async, gcsafe.} =
+        check proto == "/test/proto/1.0.0"
+        await conn.writeLp("Hello!")
+        await conn.close()
+
+      let msListen = newMultistream()
+      msListen.addHandler("/test/proto/1.0.0", protocol, testHandler)
+
+      proc connHandler(conn: Connection): Future[void] {.async, gcsafe.} =
+        await msListen.handle(conn)
+
+      let transport1: TcpTransport = newTransport(TcpTransport)
+      await transport1.listen(ma, connHandler)
+
+      let msDial = newMultistream()
+      let transport2: TcpTransport = newTransport(TcpTransport)
+      let conn = await transport2.dial(ma)
+
+      let res = await msDial.select(conn, "/test/proto/1.0.0")
+      check res == true
+
+      let hello = cast[string](await conn.readLp())
+      result = hello == "Hello!"
+      await conn.close()
+
+    check:
+      waitFor(endToEnd()) == true
+
+  test "e2e - ls":
+    proc endToEnd(): Future[bool] {.async.} =
+      let ma: MultiAddress = Multiaddress.init("/ip4/127.0.0.1/tcp/53351")
+
+      let msListen = newMultistream()
+      var protocol: LPProtocol
+      proc testHandler(protocol: LPProtocol, 
+                       conn: Connection,
+                       proto: string): Future[void] {.async.} = discard
+      msListen.addHandler("/test/proto1/1.0.0", protocol, testHandler)
+      msListen.addHandler("/test/proto2/1.0.0", protocol, testHandler)
+
+      let transport1: TcpTransport = newTransport(TcpTransport)
+      proc connHandler(conn: Connection): Future[void] {.async, gcsafe.} =
+        await msListen.handle(conn)
+
+      await transport1.listen(ma, connHandler)
+
+      let msDial = newMultistream()
+      let transport2: TcpTransport = newTransport(TcpTransport)
+      let conn = await transport2.dial(ma)
+
+      let ls = await msDial.list(conn)
+      let protos: seq[string] = @["/test/proto1/1.0.0", "/test/proto2/1.0.0"]
+      await conn.close()
+      result = ls == protos
+
+    check:
+      waitFor(endToEnd()) == true