diff --git a/opi/__init__.py b/opi/__init__.py
index 3cf4f8d..eaa2e2c 100644
--- a/opi/__init__.py
+++ b/opi/__init__.py
@@ -280,11 +280,13 @@ def install_packages(packages, **kwargs):
 def dist_upgrade(**kwargs):
 	pkgmgr_action('dup', **kwargs)
 
-def pkgmgr_action(action, packages=[], from_repo=None, allow_vendor_change=False, allow_arch_change=False, allow_downgrade=False, allow_name_change=False):
+def pkgmgr_action(action, packages=[], from_repo=None, allow_vendor_change=False, allow_arch_change=False, allow_downgrade=False, allow_name_change=False, allow_unsigned=False):
 	if get_backend() == BackendConstants.zypp:
 		args = ['sudo', 'zypper']
 		if global_state.arg_non_interactive:
 			args.append('-n')
+		if allow_unsigned:
+			args.append('--no-gpg-checks')
 		args.append(action)
 		if from_repo:
 			args.extend(['--from', from_repo])
@@ -308,6 +310,8 @@ def pkgmgr_action(action, packages=[], from_repo=None, allow_vendor_change=False
 		# allow_downgrade and allow_name_change are default in DNF
 		if allow_vendor_change:
 			args.append('--setopt=allow_vendor_change=True')
+		if allow_unsigned:
+			args.append('--nogpgcheck')
 	args.extend(packages)
 	subprocess.call(args)
 
diff --git a/opi/plugins/dotnet.py b/opi/plugins/dotnet.py
index 0819f80..a62b9c4 100644
--- a/opi/plugins/dotnet.py
+++ b/opi/plugins/dotnet.py
@@ -3,7 +3,7 @@
 
 class MSDotnet(BasePlugin):
 	main_query = 'dotnet'
-	description = 'Microsoft .NET'
+	description = 'Microsoft .NET framework'
 	queries = ['dotnet-sdk', 'dotnet']
 
 	@classmethod
diff --git a/opi/plugins/maptool.py b/opi/plugins/maptool.py
index 60c3041..d39bbf2 100644
--- a/opi/plugins/maptool.py
+++ b/opi/plugins/maptool.py
@@ -23,7 +23,7 @@ def install_github_release(org, repo):
 		print(f"No RPM asset found for {org}/{repo} release {latest_release['tag_name']}")
 		return
 	rpm_url = rpm_assets[0]['browser_download_url']
-	opi.install_packages([rpm_url])
+	opi.install_packages([rpm_url], allow_unsigned=True) # no key available
 
 class MapTool(BasePlugin):
 	main_query = 'maptool'
diff --git a/opi/plugins/ms_edge.py b/opi/plugins/ms_edge.py
index cf6f5a4..6161cdc 100644
--- a/opi/plugins/ms_edge.py
+++ b/opi/plugins/ms_edge.py
@@ -5,7 +5,7 @@
 
 class MSEdge(BasePlugin):
 	main_query = 'msedge'
-	description = 'Microsoft Edge'
+	description = 'Microsoft Edge web browser'
 	queries = ['microsoft-edge', 'msedge', 'edge']
 
 	@classmethod
diff --git a/opi/plugins/ocenaudio.py b/opi/plugins/ocenaudio.py
new file mode 100644
index 0000000..0ddc226
--- /dev/null
+++ b/opi/plugins/ocenaudio.py
@@ -0,0 +1,14 @@
+import opi
+from opi.plugins import BasePlugin
+
+class Ocenaudio(BasePlugin):
+	main_query = 'ocenaudio'
+	description = 'Audio Editor'
+	queries = [main_query]
+
+	@classmethod
+	def run(cls, query):
+		if not opi.ask_yes_or_no('Do you want to install ocenaudio from ocenaudio.com?'):
+			return
+
+		opi.install_packages(['https://www.ocenaudio.com/downloads/index.php/ocenaudio_opensuse.rpm'], allow_unsigned=True) # rpm is unsigned