diff --git a/pkgs/tools/misc/convbin/default.nix b/pkgs/tools/misc/convbin/default.nix
new file mode 100644
index 00000000000..0abf10710ca
--- /dev/null
+++ b/pkgs/tools/misc/convbin/default.nix
@@ -0,0 +1,42 @@
+{ stdenv
+, fetchFromGitHub
+}:
+
+stdenv.mkDerivation rec {
+  pname = "convbin";
+  version = "3.0";
+
+  src = fetchFromGitHub {
+    owner = "mateoconlechuga";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0n502zj8igm583kbfvyv7zhd97vb71jac41ncb9jr2yz2v5ir8j9";
+  };
+
+  makeFlags = [ "CC=cc" ];
+
+  checkPhase = ''
+    pushd test
+    patchShebangs test.sh
+    ./test.sh
+    popd
+  '';
+
+  doCheck = true;
+
+  installPhase = ''
+    install -Dm755 bin/convbin $out/bin/convbin
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Converts files to other formats";
+    longDescription = ''
+      This program is used to convert files to other formats,
+      specifically for the TI84+CE and related calculators.
+    '';
+    homepage = "https://github.com/mateoconlechuga/convbin";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ luc65r ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/tools/misc/convfont/default.nix b/pkgs/tools/misc/convfont/default.nix
new file mode 100644
index 00000000000..0cc181082a4
--- /dev/null
+++ b/pkgs/tools/misc/convfont/default.nix
@@ -0,0 +1,29 @@
+{ stdenv
+, fetchFromGitHub
+}:
+
+stdenv.mkDerivation rec {
+  pname = "convfont";
+  version = "1.0";
+
+  src = fetchFromGitHub {
+    owner = "drdnar";
+    repo = pname;
+    rev = "v20190438";
+    sha256 = "1lj24yq5gj9hxhy1srk73521q95zyqzkws0q4v271hf5wmqaxa2f";
+  };
+
+  makeFlags = [ "CC=cc" ];
+
+  installPhase = ''
+    install -Dm755 convfont $out/bin/convfont
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Converts font for use with FontLibC";
+    homepage = "https://github.com/drdnar/convfont";
+    license = licenses.wtfpl;
+    maintainers = with maintainers; [ luc65r ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/tools/misc/convimg/default.nix b/pkgs/tools/misc/convimg/default.nix
new file mode 100644
index 00000000000..f9de88cb01e
--- /dev/null
+++ b/pkgs/tools/misc/convimg/default.nix
@@ -0,0 +1,43 @@
+{ stdenv
+, fetchFromGitHub
+}:
+
+stdenv.mkDerivation rec {
+  pname = "convimg";
+  version = "8.3";
+
+  src = fetchFromGitHub {
+    owner = "mateoconlechuga";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1k2fkzfg08y2gcm8jabmb2plgqmgw6y30m73ys4mmbskxgy7hc3s";
+    fetchSubmodules = true;
+  };
+
+  makeFlags = [ "CC=cc" ];
+
+  checkPhase = ''
+    pushd test
+    patchShebangs test.sh
+    ./test.sh
+    popd
+  '';
+
+  doCheck = true;
+
+  installPhase = ''
+    install -Dm755 bin/convimg $out/bin/convimg
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Image palette quantization";
+    longDescription = ''
+      This program is used to convert images to other formats,
+      specifically for the TI84+CE and related calculators.
+    '';
+    homepage = "https://github.com/mateoconlechuga/convimg";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ luc65r ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d041bc0f708..788a583ee3b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3073,6 +3073,12 @@ in
 
   console-bridge = callPackage ../development/libraries/console-bridge { };
 
+  convbin = callPackage ../tools/misc/convbin { };
+
+  convimg = callPackage ../tools/misc/convimg { };
+
+  convfont = callPackage ../tools/misc/convfont { };
+
   convmv = callPackage ../tools/misc/convmv { };
 
   convoy = callPackage ../tools/filesystems/convoy { };