diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 62d59dccda7..46b98d0a87d 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -7267,6 +7267,16 @@
     githubId = 10180857;
     name = "Anmol Sethi";
   };
+  nicbk = {
+    email = "nicolas@nicbk.com";
+    github = "nicbk";
+    githubId = 77309427;
+    name = "Nicolás Kennedy";
+    keys = [{
+      longkeyid = "rsa4096/0xC061089EFEBF7A35";
+      fingerprint = "7BC1 77D9 C222 B1DC FB2F  0484 C061 089E FEBF 7A35";
+    }];
+  };
   nichtsfrei = {
     email = "philipp.eder@posteo.net";
     github = "nichtsfrei";
diff --git a/pkgs/applications/science/electronics/verilator/default.nix b/pkgs/applications/science/electronics/verilator/default.nix
index 5039b842f41..5377a7b3d11 100644
--- a/pkgs/applications/science/electronics/verilator/default.nix
+++ b/pkgs/applications/science/electronics/verilator/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Fast and robust (System)Verilog simulator/compiler";
     homepage    = "https://www.veripool.org/wiki/verilator";
-    license     = licenses.lgpl3;
+    license     = with licenses; [ lgpl3Only artistic2 ];
     platforms   = platforms.unix;
     maintainers = with maintainers; [ thoughtpolice ];
   };
diff --git a/pkgs/development/compilers/purescript/purescript/default.nix b/pkgs/development/compilers/purescript/purescript/default.nix
index fbe96ca179d..568407c3614 100644
--- a/pkgs/development/compilers/purescript/purescript/default.nix
+++ b/pkgs/development/compilers/purescript/purescript/default.nix
@@ -18,19 +18,19 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "purescript";
-  version = "0.14.0";
+  version = "0.14.2";
 
   src =
     if stdenv.isDarwin
     then
     fetchurl {
       url = "https://github.com/${pname}/${pname}/releases/download/v${version}/macos.tar.gz";
-      sha256 = "0dfnn5ar7zgvgvxcvw5f6vwpkgkwa017y07s7mvdv44zf4hzsj3s";
+      sha256 = "1ga2hn9br71dyzn3p9jvjiksvnq21p6i5hp1z1j5fpz9la28nqzf";
     }
     else
     fetchurl {
       url = "https://github.com/${pname}/${pname}/releases/download/v${version}/linux64.tar.gz";
-      sha256 = "1l3i7mxlzb2dkq6ff37rvnaarikxzxj0fg9i2kk26s8pz7vpqgjh";
+      sha256 = "1kv7dm1nw85lw3brrclkj7xc9p021jx3n8wgp2fg3572s86ypskw";
     };
 
 
@@ -62,5 +62,6 @@ in stdenv.mkDerivation rec {
     maintainers = with maintainers; [ justinwoo mbbx6spp cdepillabout ];
     platforms = [ "x86_64-linux" "x86_64-darwin" ];
     mainProgram = "purs";
+    changelog = "https://github.com/purescript/purescript/releases/tag/v${version}";
   };
 }
diff --git a/pkgs/development/ocaml-modules/cooltt/default.nix b/pkgs/development/ocaml-modules/cooltt/default.nix
new file mode 100644
index 00000000000..2ece4543c2a
--- /dev/null
+++ b/pkgs/development/ocaml-modules/cooltt/default.nix
@@ -0,0 +1,47 @@
+{ lib
+, fetchFromGitHub
+, buildDunePackage
+, cmdliner
+, menhir
+, menhirLib
+, ppx_deriving
+, ppxlib
+, uuseg
+, uutf
+}:
+
+buildDunePackage {
+  pname = "cooltt";
+  version = "unstable-2021-05-25";
+
+  minimumOCamlVersion = "4.10";
+
+  useDune2 = true;
+
+  src = fetchFromGitHub {
+    owner = "RedPRL";
+    repo = "cooltt";
+    rev = "8ac06cbf7e05417d777f3ac6a471fe3576249f79";
+    sha256 = "sha256-JBLNJaRuP/gwlg8RS3cpOpzxChOVKfmFulf5HKhhHh4=";
+  };
+
+  nativeBuildInputs = [
+    cmdliner
+    menhir
+    ppxlib
+  ];
+
+  propagatedBuildInputs = [
+    menhirLib
+    ppx_deriving
+    uuseg
+    uutf
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/RedPRL/cooltt";
+    description = "A cool implementation of normalization by evaluation (nbe) & elaboration for Cartesian cubical type theory";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ fortuneteller2k ];
+  };
+}
diff --git a/pkgs/tools/inputmethods/remote-touchpad/default.nix b/pkgs/tools/inputmethods/remote-touchpad/default.nix
index 0bd2b09aafc..a4dc6a1c463 100644
--- a/pkgs/tools/inputmethods/remote-touchpad/default.nix
+++ b/pkgs/tools/inputmethods/remote-touchpad/default.nix
@@ -9,19 +9,19 @@
 
 buildGoModule rec {
   pname = "remote-touchpad";
-  version = "1.0.1";
+  version = "1.0.2";
 
   src = fetchFromGitHub {
     owner = "unrud";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0zmbn4s3yhcgmijc96vja7zj2sh6q0nkybhqy0fwz6sqzk8hq02x";
+    sha256 = "09a252z69msy4wd5kazpca8dcn0a2djdw0vs663062fl977p73qs";
   };
 
   buildInputs = [ libX11 libXi libXt libXtst ];
   buildFlags = [ "-tags" "portal,x11" ];
 
-  vendorSha256 = "0q1qk5g7kqpcci5fgamvxa8989jglv69kwg5rvkphbnx1bzlivrl";
+  vendorSha256 = "1pgj0m67g759mcs4s34h4pq3mc7gni643z5cp6ffq4rrn8mdi060";
 
   meta = with lib; {
     description = "Control mouse and keyboard from the webbrowser of a smartphone.";
diff --git a/pkgs/tools/misc/depotdownloader/default.nix b/pkgs/tools/misc/depotdownloader/default.nix
new file mode 100644
index 00000000000..384234f1f9c
--- /dev/null
+++ b/pkgs/tools/misc/depotdownloader/default.nix
@@ -0,0 +1,49 @@
+{ stdenv, lib, fetchFromGitHub, fetchurl, linkFarmFromDrvs, makeWrapper
+,  dotnet-sdk_5, dotnetPackages
+}:
+
+let
+  fetchNuGet = {name, version, sha256}: fetchurl {
+    name = "nuget-${name}-${version}.nupkg";
+    url = "https://www.nuget.org/api/v2/package/${name}/${version}";
+    inherit sha256;
+  };
+  deps = import ./deps.nix fetchNuGet;
+in
+stdenv.mkDerivation rec {
+  pname = "depotdownloader";
+  version = "2.4.1";
+
+  src = fetchFromGitHub {
+    owner = "SteamRE";
+    repo = "DepotDownloader";
+    rev = "DepotDownloader_${version}";
+    sha256 = "1ldwda7wyvzqvqv1wshvqvqaimlm0rcdzhy9yn5hvxyswc0jxirr";
+  };
+
+  nativeBuildInputs = [ dotnet-sdk_5 dotnetPackages.Nuget makeWrapper ];
+
+  buildPhase = ''
+    export DOTNET_CLI_TELEMETRY_OPTOUT=1
+    export DOTNET_NOLOGO=1
+    export HOME=$TMP/home
+
+    nuget sources Add -Name tmpsrc -Source $TMP/nuget
+    nuget init ${linkFarmFromDrvs "deps" deps} $TMP/nuget
+
+    dotnet restore --source $TMP/nuget DepotDownloader/DepotDownloader.csproj
+    dotnet publish --no-restore -c Release --output $out
+  '';
+
+  installPhase = ''
+    makeWrapper ${dotnet-sdk_5}/bin/dotnet $out/bin/$pname \
+      --add-flags $out/DepotDownloader.dll
+  '';
+
+  meta = with lib; {
+    description = "Steam depot downloader utilizing the SteamKit2 library.";
+    license = licenses.gpl2Only;
+    maintainers = [ maintainers.babbaj ];
+    platforms = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" ];
+  };
+}
diff --git a/pkgs/tools/misc/depotdownloader/deps.nix b/pkgs/tools/misc/depotdownloader/deps.nix
new file mode 100644
index 00000000000..6f061186f82
--- /dev/null
+++ b/pkgs/tools/misc/depotdownloader/deps.nix
@@ -0,0 +1,88 @@
+fetchNuGet:
+[
+  (fetchNuGet {
+    name = "protobuf-net";
+    version = "3.0.101";
+    sha256 = "0594qckbc0lh61sw74ihaq4qmvf1lf133vfa88n443mh7lxm2fwf";
+  })
+  (fetchNuGet {
+    name = "SteamKit2";
+    version = "2.4.0-Alpha.2";
+    sha256 = "1r6chqdp912pr8f8d7px2vp4y1ydx0kida7d5a1hbf6b7acnsg7d";
+  })
+  (fetchNuGet {
+    name = "protobuf-net.Core";
+    version = "3.0.101";
+    sha256 = "1kvn9rnm6f0jxs0s9scyyx2f2p8rk03qzc1f6ijv1g6xgkpxkq1m";
+  })
+  (fetchNuGet {
+    name = "Microsoft.NETCore.App";
+    version = "2.0.0";
+    sha256 = "0j8xkssrashyxrmdraci6kmj2gdrdxb0z61jwnzf1r9r2kqrd7d2";
+  })
+  (fetchNuGet {
+    name = "Microsoft.NETCore.DotNetAppHost";
+    version = "2.0.0";
+    sha256 = "0yixdk1rslbznrl50d6pyhg50xxr6jbfb1qpy2yd8xv44s4shgwd";
+  })
+  (fetchNuGet {
+    name = "Microsoft.NETCore.DotNetHostPolicy";
+    version = "2.0.0";
+    sha256 = "1zz9yfzcvcai4il78s3phjp1hryib2zk3w2r16v3fxm2yllssyaf";
+  })
+  (fetchNuGet {
+    name = "Microsoft.NETCore.DotNetHostResolver";
+    version = "2.0.0";
+    sha256 = "0xy45xqmdqz7r6v0g8m7c1rp761ghavjl8nzxiyrpbp0wccxl3xb";
+  })
+  (fetchNuGet {
+    name = "Microsoft.NETCore.Platforms";
+    version = "5.0.0";
+    sha256 = "0mwpwdflidzgzfx2dlpkvvnkgkr2ayaf0s80737h4wa35gaj11rc";
+  })
+  (fetchNuGet {
+    name = "Microsoft.Win32.Registry";
+    version = "5.0.0";
+    sha256 = "102hvhq2gmlcbq8y2cb7hdr2dnmjzfp2k3asr1ycwrfacwyaak7n";
+  })
+  (fetchNuGet {
+    name = "NETStandard.Library";
+    version = "2.0.0";
+    sha256 = "1bc4ba8ahgk15m8k4nd7x406nhi0kwqzbgjk2dmw52ss553xz7iy";
+  })
+  (fetchNuGet {
+    name = "System.Collections.Immutable";
+    version = "1.7.1";
+    sha256 = "1nh4nlxfc7lbnbl86wwk1a3jwl6myz5j6hvgh5sp4krim9901hsq";
+  })
+  (fetchNuGet {
+    name = "System.Memory";
+    version = "4.5.4";
+    sha256 = "14gbbs22mcxwggn0fcfs1b062521azb9fbb7c113x0mq6dzq9h6y";
+  })
+  (fetchNuGet {
+    name = "System.Reflection.Emit";
+    version = "4.7.0";
+    sha256 = "121l1z2ypwg02yz84dy6gr82phpys0njk7yask3sihgy214w43qp";
+  })
+  (fetchNuGet {
+    name = "System.Reflection.Emit.Lightweight";
+    version = "4.7.0";
+    sha256 = "0mbjfajmafkca47zr8v36brvknzks5a7pgb49kfq2d188pyv6iap";
+  })
+  (fetchNuGet {
+    name = "System.Runtime.CompilerServices.Unsafe";
+    version = "4.5.3";
+    sha256 = "1afi6s2r1mh1kygbjmfba6l4f87pi5sg13p4a48idqafli94qxln";
+  })
+  (fetchNuGet {
+    name = "System.Security.AccessControl";
+    version = "5.0.0";
+    sha256 = "17n3lrrl6vahkqmhlpn3w20afgz09n7i6rv0r3qypngwi7wqdr5r";
+  })
+  (fetchNuGet {
+    name = "System.Security.Principal.Windows";
+    version = "5.0.0";
+    sha256 = "1mpk7xj76lxgz97a5yg93wi8lj0l8p157a5d50mmjy3gbz1904q8";
+  })
+]
diff --git a/pkgs/tools/misc/veikk-linux-driver-gui/default.nix b/pkgs/tools/misc/veikk-linux-driver-gui/default.nix
new file mode 100644
index 00000000000..e216823f7ab
--- /dev/null
+++ b/pkgs/tools/misc/veikk-linux-driver-gui/default.nix
@@ -0,0 +1,32 @@
+{ lib, mkDerivation, fetchFromGitHub, gnumake, qmake }:
+
+mkDerivation rec {
+  name = "veikk-linux-driver-gui";
+  version = "2.0";
+
+  src = fetchFromGitHub {
+    owner = "jlam55555";
+    repo = name;
+    rev = "v${version}";
+    sha256 = "02g1q79kwjlzg95w38a1d7nxvcry8xcsvhax2js4c7xqvzhkki5j";
+  };
+
+  nativeBuildInputs = [ qmake ];
+
+  postBuild = ''
+    make all clean
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp veikk-linux-driver-gui $out/bin
+  '';
+
+  meta = with lib; {
+    description = "Configuration tool for the VEIKK Linux driver";
+    homepage = "https://github.com/jlam55555/veikk-linux-driver-gui/";
+    license = licenses.unfree;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ nicbk ];
+  };
+}
diff --git a/pkgs/tools/networking/ngrok-2/default.nix b/pkgs/tools/networking/ngrok-2/default.nix
index 0d9dbd19117..3549677e22f 100644
--- a/pkgs/tools/networking/ngrok-2/default.nix
+++ b/pkgs/tools/networking/ngrok-2/default.nix
@@ -9,7 +9,8 @@ let versions = builtins.fromJSON (builtins.readFile ./versions.json);
            else if stdenv.isAarch64 then "arm64"
            else throw "Unsupported architecture";
     os = if stdenv.isLinux then "linux"
-         else if stdenv.isDarwin then "darwin"
+         else if (stdenv.isDarwin && stdenv.isx86_64) then "darwin"
+         else if stdenv.isDarwin then throw "Unsupported architecture"
          else throw "Unsupported os";
     versionInfo = versions."${os}-${arch}";
     inherit (versionInfo) version sha256 url;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index dedf8c35599..f6d65e46ba5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -876,6 +876,8 @@ in
 
   tnat64 = callPackage ../tools/networking/tnat64 { };
 
+  veikk-linux-driver-gui = libsForQt5.callPackage ../tools/misc/veikk-linux-driver-gui { };
+
   xcd = callPackage ../tools/misc/xcd { };
 
   xtrt = callPackage ../tools/archivers/xtrt { };
@@ -30346,6 +30348,8 @@ in
 
   darling-dmg = callPackage ../tools/filesystems/darling-dmg { };
 
+  depotdownloader = callPackage ../tools/misc/depotdownloader { };
+
   desmume = callPackage ../misc/emulators/desmume { inherit (pkgs.gnome2) gtkglext libglade; };
 
   dbacl = callPackage ../tools/misc/dbacl { };
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 1fba7289130..92894bf7a3b 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -191,6 +191,8 @@ let
 
     containers-data = callPackage ../development/ocaml-modules/containers/data.nix { };
 
+    cooltt = callPackage ../development/ocaml-modules/cooltt { };
+
     cow = callPackage ../development/ocaml-modules/cow { };
 
     cpdf = callPackage ../development/ocaml-modules/cpdf { };