diff --git a/pkgs/applications/networking/p2p/dht/default.nix b/pkgs/applications/networking/p2p/dht/default.nix
new file mode 100644
index 00000000000..0088e517914
--- /dev/null
+++ b/pkgs/applications/networking/p2p/dht/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, lib, fetchFromGitHub, cmake }:
+
+stdenv.mkDerivation rec {
+  pname = "dht";
+  version = "0.25";
+
+  src = fetchFromGitHub {
+    # Use transmission fork from post-0.25-transmission branch
+    owner = "transmission";
+    repo = pname;
+    rev = "25e12bb39eea3d433602de6390796fec8a8f3620";
+    sha256 = "fksi8WBQPydgSlISaZMMnxzt4xN7/Hh7aN6QQ+g/L7s=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with lib; {
+    description = "BitTorrent DHT library";
+    homepage = "https://github.com/transmission/dht";
+    license = licenses.mit;
+    maintainers = with maintainers; [ angustrau ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/networking/p2p/fragments/default.nix b/pkgs/applications/networking/p2p/fragments/default.nix
new file mode 100644
index 00000000000..721f0ca259f
--- /dev/null
+++ b/pkgs/applications/networking/p2p/fragments/default.nix
@@ -0,0 +1,78 @@
+{ lib
+, stdenv
+, fetchFromGitLab
+, meson
+, vala
+, ninja
+, pkg-config
+, wrapGAppsHook
+, desktop-file-utils
+, appstream-glib
+, python3
+, glib
+, gtk3
+, libhandy
+, libtransmission
+, libb64
+, libutp
+, miniupnpc
+, dht
+, libnatpmp
+, libevent
+, curl
+, openssl
+, zlib
+}:
+
+stdenv.mkDerivation rec {
+  pname = "fragments";
+  version = "1.5";
+
+  src = fetchFromGitLab {
+    domain = "gitlab.gnome.org";
+    owner = "World";
+    repo = "Fragments";
+    rev = version;
+    sha256 = "0x1kafhlgyi65l4w67c24r8mpvasg3q3c4wlgnjc9sxvp6ki7xbn";
+  };
+
+  patches = [
+    # Fix dependency resolution
+    ./dependency-resolution.patch
+  ];
+
+  nativeBuildInputs = [
+    meson
+    vala
+    ninja
+    pkg-config
+    wrapGAppsHook
+    desktop-file-utils
+    appstream-glib
+    python3
+  ];
+
+  buildInputs = [
+    glib
+    gtk3
+    libhandy
+    libtransmission
+    libb64
+    libutp
+    miniupnpc
+    dht
+    libnatpmp
+    libevent
+    curl
+    openssl
+    zlib
+  ];
+
+  meta = with lib; {
+    homepage = "https://gitlab.gnome.org/World/Fragments";
+    description = "A GTK3 BitTorrent Client";
+    maintainers = with maintainers; [ angustrau ];
+    license = licenses.gpl3Plus;
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/applications/networking/p2p/fragments/dependency-resolution.patch b/pkgs/applications/networking/p2p/fragments/dependency-resolution.patch
new file mode 100644
index 00000000000..0446bc1390c
--- /dev/null
+++ b/pkgs/applications/networking/p2p/fragments/dependency-resolution.patch
@@ -0,0 +1,25 @@
+diff --git a/meson.build b/meson.build
+index 5030d0c..6de7a20 100644
+--- a/meson.build
++++ b/meson.build
+@@ -32,10 +32,11 @@ transmission_dep = declare_dependency(
+ 				meson.get_compiler('c').find_library('dht'),
+ 				meson.get_compiler('c').find_library('natpmp'),
+ 				meson.get_compiler('c').find_library('event'),
+-				meson.get_compiler('c').find_library('libcurl'),
+-				meson.get_compiler('c').find_library('libcrypto'),
++				meson.get_compiler('c').find_library('curl'),
++				meson.get_compiler('c').find_library('crypto'),
++				meson.get_compiler('c').find_library('ssl'),
+ 				meson.get_compiler('c').find_library('libpthread'),
+-				meson.get_compiler('c').find_library('libz'),
++				meson.get_compiler('c').find_library('z'),
+ 				transmission_vapi,
+ 				transmission_lib
+ 			])
+@@ -45,4 +46,4 @@ subdir('data')
+ subdir('po')
+ subdir('src')
+ 
+-meson.add_install_script('build-aux/postinstall.py')
++meson.add_install_script('python3', '../build-aux/postinstall.py')
diff --git a/pkgs/applications/networking/p2p/libutp/default.nix b/pkgs/applications/networking/p2p/libutp/default.nix
new file mode 100644
index 00000000000..6fba4faf50c
--- /dev/null
+++ b/pkgs/applications/networking/p2p/libutp/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, lib, fetchFromGitHub, cmake }:
+
+stdenv.mkDerivation rec {
+  pname = "libutp";
+  version = "unstable-2017-01-02";
+
+  src = fetchFromGitHub {
+    # Use transmission fork from post-3.3-transmission branch
+    owner = "transmission";
+    repo = pname;
+    rev = "fda9f4b3db97ccb243fcbed2ce280eb4135d705b";
+    sha256 = "CvuZLOBksIl/lS6LaqOIuzNvX3ihlIPjI3Eqwo7YJH0=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with lib; {
+    description = "uTorrent Transport Protocol library";
+    homepage = "https://github.com/transmission/libutp";
+    license = licenses.mit;
+    maintainers = with maintainers; [ angustrau ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/applications/networking/p2p/transmission/default.nix b/pkgs/applications/networking/p2p/transmission/default.nix
index 1efa9ec76da..6e1367a6b4e 100644
--- a/pkgs/applications/networking/p2p/transmission/default.nix
+++ b/pkgs/applications/networking/p2p/transmission/default.nix
@@ -10,6 +10,11 @@
 , systemd
 , zlib
 , pcre
+, libb64
+, libutp
+, miniupnpc
+, dht
+, libnatpmp
   # Build options
 , enableGTK3 ? false
 , gtk3
@@ -69,6 +74,11 @@ in stdenv.mkDerivation {
     libevent
     zlib
     pcre
+    libb64
+    libutp
+    miniupnpc
+    dht
+    libnatpmp
   ]
   ++ lib.optionals enableQt [ qt5.qttools qt5.qtbase ]
   ++ lib.optionals enableGTK3 [ gtk3 xorg.libpthreadstubs ]
@@ -123,7 +133,7 @@ in stdenv.mkDerivation {
         * Full encryption, DHT, and PEX support
     '';
     homepage = "http://www.transmissionbt.com/";
-    license = lib.licenses.gpl2; # parts are under MIT
+    license = lib.licenses.gpl2Plus; # parts are under MIT
     maintainers = with lib.maintainers; [ astsmtl vcunat wizeman ];
     platforms = lib.platforms.unix;
   };
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5101e5f0970..94dc6acf06a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -23055,6 +23055,8 @@ in
 
   dfilemanager = libsForQt5.callPackage ../applications/misc/dfilemanager { };
 
+  dht = callPackage ../applications/networking/p2p/dht { };
+
   dia = callPackage ../applications/graphics/dia {
     inherit (pkgs.gnome2) libart_lgpl libgnomeui;
   };
@@ -23738,6 +23740,8 @@ in
 
   fractal = callPackage ../applications/networking/instant-messengers/fractal { };
 
+  fragments = callPackage ../applications/networking/p2p/fragments { };
+
   freecad = libsForQt5.callPackage ../applications/graphics/freecad {
     inherit (python3Packages)
       GitPython
@@ -24834,6 +24838,8 @@ in
 
   libvmi = callPackage ../development/libraries/libvmi { };
 
+  libutp = callPackage ../applications/networking/p2p/libutp { };
+
   lifelines = callPackage ../applications/misc/lifelines { };
 
   liferea = callPackage ../applications/networking/newsreaders/liferea { };