diff --git a/sci-calculators/zalc/Manifest b/sci-calculators/zalc/Manifest
new file mode 100644
index 00000000..a9bc754e
--- /dev/null
+++ b/sci-calculators/zalc/Manifest
@@ -0,0 +1,4 @@
+DIST zalc-1.2.5.tar.gz 17533 BLAKE2B 8613a8f9d75dedb4c8fc7d50925f35b89ac6db014955f1752915801a5d17a175dfaaca2aebb40b1addb8c9f23eb90f47e5e0b10a14be60f55a5e9a82b7b222a2 SHA512 32416f71c1fb24a35730f70d4a875c1ae5ac916305dc43196274dcab75a4f1ab017be09bd3965e5972bc1dbbf145740716d5c83280b24a5b0dc3cc1b85047168
+EBUILD zalc-1.2.5.ebuild 1053 BLAKE2B 8060ad481e3331151e0f6a0d8ed2c2ad352563a880bbca3c1489f26e258e35aa166d3b8c48371e7b071f589703a390dd44e2928c523aeab161b5ccc2d724a0ae SHA512 ccd01d2e4f4b2948f753b840c0b4dd51205eb259e7045831196485d60687f45e3c9c7f005875f43ab543eaa82ee3e6d0659bf288c33d58a9abbb269e33061a73
+EBUILD zalc-9999.ebuild 1053 BLAKE2B 8060ad481e3331151e0f6a0d8ed2c2ad352563a880bbca3c1489f26e258e35aa166d3b8c48371e7b071f589703a390dd44e2928c523aeab161b5ccc2d724a0ae SHA512 ccd01d2e4f4b2948f753b840c0b4dd51205eb259e7045831196485d60687f45e3c9c7f005875f43ab543eaa82ee3e6d0659bf288c33d58a9abbb269e33061a73
+MISC metadata.xml 317 BLAKE2B a064dab932a673a4ccd23732ebc842cd57c3b9faca938fe291ad7286b5649ff5f3cd8ac1191b340e621a20f3888dcab3470ec041aae115e3cba0a9eab7b67068 SHA512 2b7cae78785fa166c52e6d3eba008543924b3b057ffce125c9afce60453dbde9e8b65546042de78bd48cf4697d6487213a281e7ccad4ac44a944b41d89f2387b
diff --git a/sci-calculators/zalc/metadata.xml b/sci-calculators/zalc/metadata.xml
new file mode 100644
index 00000000..72f2c574
--- /dev/null
+++ b/sci-calculators/zalc/metadata.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>jpizarrocallejas@gmail.com</email>
+		<name>Jorge Pizarro Callejas</name>
+		<description>Jorgicio Gentoo Overlay</description>
+	</maintainer>
+</pkgmetadata>
diff --git a/sci-calculators/zalc/zalc-1.2.5.ebuild b/sci-calculators/zalc/zalc-1.2.5.ebuild
new file mode 100644
index 00000000..162b178e
--- /dev/null
+++ b/sci-calculators/zalc/zalc-1.2.5.ebuild
@@ -0,0 +1,44 @@
+# Copyright 2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake-utils desktop
+
+DESCRIPTION="A small, FLTK-based calculator"
+HOMEPAGE="https://ziggi.org/category/developments/zalc/"
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/ziggi/${PN}"
+else
+	SRC_URI="https://github.com/ziggi/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~alpha ~amd64 ~amd64-fbsd ~amd64-linux ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd ~x86-linux ~x86-macos"
+fi
+
+LICENSE="GPL-3"
+SLOT="0"
+IUSE=""
+
+DEPEND="x11-libs/fltk"
+RDEPEND="${DEPEND}"
+
+src_prepare(){
+	sed -i -e "/Version=/d" ${PN}.desktop
+	cmake-utils_src_prepare
+}
+
+src_configure(){
+	local mycmakeargs=(
+		-DFLTK_INCLUDE_DIRS="/usr/include/fltk"
+	)
+	cmake-utils_src_configure
+}
+
+src_install(){
+	# For some strange reason, it can't install using the provided cmake-utils install function,
+	# so I'll do this manually.
+	dobin "${WORKDIR}/${P}_build/${PN}"
+	doicon -s 16 ${PN}.png
+	domenu ${PN}.desktop
+}
diff --git a/sci-calculators/zalc/zalc-9999.ebuild b/sci-calculators/zalc/zalc-9999.ebuild
new file mode 100644
index 00000000..162b178e
--- /dev/null
+++ b/sci-calculators/zalc/zalc-9999.ebuild
@@ -0,0 +1,44 @@
+# Copyright 2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake-utils desktop
+
+DESCRIPTION="A small, FLTK-based calculator"
+HOMEPAGE="https://ziggi.org/category/developments/zalc/"
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/ziggi/${PN}"
+else
+	SRC_URI="https://github.com/ziggi/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~alpha ~amd64 ~amd64-fbsd ~amd64-linux ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd ~x86-linux ~x86-macos"
+fi
+
+LICENSE="GPL-3"
+SLOT="0"
+IUSE=""
+
+DEPEND="x11-libs/fltk"
+RDEPEND="${DEPEND}"
+
+src_prepare(){
+	sed -i -e "/Version=/d" ${PN}.desktop
+	cmake-utils_src_prepare
+}
+
+src_configure(){
+	local mycmakeargs=(
+		-DFLTK_INCLUDE_DIRS="/usr/include/fltk"
+	)
+	cmake-utils_src_configure
+}
+
+src_install(){
+	# For some strange reason, it can't install using the provided cmake-utils install function,
+	# so I'll do this manually.
+	dobin "${WORKDIR}/${P}_build/${PN}"
+	doicon -s 16 ${PN}.png
+	domenu ${PN}.desktop
+}