diff --git a/pkgs/development/python-modules/cvxpy/default.nix b/pkgs/development/python-modules/cvxpy/default.nix
new file mode 100644
index 0000000000000..119905dbe5123
--- /dev/null
+++ b/pkgs/development/python-modules/cvxpy/default.nix
@@ -0,0 +1,40 @@
+{ buildPythonPackage
+, fetchPypi
+, osqp
+, ecos
+, scs
+, multiprocess
+, fastcache
+, six
+, numpy
+, scipy
+, nose
+, lib
+}:
+
+buildPythonPackage rec {
+  pname = "cvxpy";
+  version = "1.0.21";
+
+  propagatedBuildInputs = [
+    osqp ecos scs multiprocess fastcache six numpy scipy
+  ];
+
+  checkInputs = [ nose ];
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "11hdrgdcb7idncrbr00rmrxhi7f8sjm134x4wgqkkxwppklk36xv";
+  };
+
+  # Tests not discovered correctly on python3 unless nosetests invoked
+  # explicitly.
+  checkPhase = "nosetests -v";
+
+  meta = {
+    description = "A Python-embedded modeling language for convex optimization problems";
+    homepage = https://www.cvxpy.org;
+    license = lib.licenses.asl20;
+    maintainers = [ lib.maintainers.teh ];
+  };
+}
diff --git a/pkgs/development/python-modules/ecos/default.nix b/pkgs/development/python-modules/ecos/default.nix
new file mode 100644
index 0000000000000..1fb62d49ccb77
--- /dev/null
+++ b/pkgs/development/python-modules/ecos/default.nix
@@ -0,0 +1,24 @@
+{ buildPythonPackage, fetchPypi, lib, numpy, scipy, nose }:
+
+buildPythonPackage rec {
+  pname = "ecos";
+  version = "2.0.7.post1";
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+  ];
+  checkInputs = [ nose ];
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0n67plhclbsxqi23is8rj62vv3d75nnwzhsmya9jlbpknd10zsc3";
+  };
+
+  meta = {
+    description = "This is the Python package for ECOS: Embedded Cone Solver";
+    homepage = https://github.com/embotech/ecos;
+    license = lib.licenses.gpl3;
+    maintainers = [ lib.maintainers.teh ];
+  };
+}
diff --git a/pkgs/development/python-modules/osqp/default.nix b/pkgs/development/python-modules/osqp/default.nix
new file mode 100644
index 0000000000000..60021bf93645d
--- /dev/null
+++ b/pkgs/development/python-modules/osqp/default.nix
@@ -0,0 +1,26 @@
+{ buildPythonPackage, fetchFromGitHub, lib, numpy, scipy, future, cmake }:
+
+buildPythonPackage rec {
+  pname = "osqp-python";
+  version = "2.0a1";
+
+  nativeBuildInputs = [ cmake ];
+  dontUseCmakeConfigure = true;
+
+  propagatedBuildInputs = [ numpy future scipy ];
+
+  src = fetchFromGitHub {
+    owner = "oxfordcontrol";
+    repo = "osqp-python";
+    rev = "v0.5.0";
+    fetchSubmodules = true;
+    sha256 = "1x65mmm9sq189ncgm1fha245krk2y7aq0gw3g1fld0z36zrs9ynz";
+  };
+
+  meta = {
+    description = "Python interface for OSQP";
+    homepage = https://osqp.org;
+    license = lib.licenses.asl20;
+    maintainers = [ lib.maintainers.teh ];
+  };
+}
diff --git a/pkgs/development/python-modules/scs/default.nix b/pkgs/development/python-modules/scs/default.nix
new file mode 100644
index 0000000000000..5c3267df61413
--- /dev/null
+++ b/pkgs/development/python-modules/scs/default.nix
@@ -0,0 +1,23 @@
+{ buildPythonPackage, fetchPypi, lib, numpy, scipy }:
+
+buildPythonPackage rec {
+  pname = "scs";
+  version = "2.1.0";
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+  ];
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1m45366lfkv71mhdmr10ch7wgn16n79rg75jxqizqcgg6r5s6rqx";
+  };
+
+  meta = {
+    description = "scs: splitting conic solver";
+    homepage = https://github.com/cvxgrp/scs;
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.teh ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a610ef51d8c64..574532d8db576 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -489,6 +489,8 @@ in {
 
   curio = callPackage ../development/python-modules/curio { };
 
+  cvxpy = callPackage ../development/python-modules/cvxpy { };
+
   dendropy = callPackage ../development/python-modules/dendropy { };
 
   dependency-injector = callPackage ../development/python-modules/dependency-injector { };
@@ -535,6 +537,8 @@ in {
 
   ewmh = callPackage ../development/python-modules/ewmh { };
 
+  ecos = callPackage ../development/python-modules/ecos { };
+
   exchangelib = callPackage ../development/python-modules/exchangelib { };
 
   dbus-python = callPackage ../development/python-modules/dbus {
@@ -803,6 +807,8 @@ in {
 
   osmnx = callPackage ../development/python-modules/osmnx { };
 
+  osqp = callPackage ../development/python-modules/osqp { };
+
   outcome = callPackage ../development/python-modules/outcome {};
 
   ovito = toPythonModule (pkgs.libsForQt5.callPackage ../development/python-modules/ovito {
@@ -1214,6 +1220,8 @@ in {
 
   sslib = callPackage ../development/python-modules/sslib { };
 
+  scs = callPackage ../development/python-modules/scs { };
+
   statistics = callPackage ../development/python-modules/statistics { };
 
   stm32loader = callPackage ../development/python-modules/stm32loader { };