diff --git a/README.md b/README.md
index 1400dd0..d460c8f 100644
--- a/README.md
+++ b/README.md
@@ -88,7 +88,6 @@ _See also: [Restic's list of Linux backup software](https://github.com/restic/ot
 
 - [Amanda](https://www.amanda.org/) - Backup and archive many computers on a network to disk, tape changer/drive or cloud storage. ([Source Code](https://github.com/zmanda/amanda)) `MIT` `C`
 - [Backupninja](https://0xacab.org/liberate/backupninja) - Lightweight, extensible meta-backup system, provides a centralized way to configure and coordinate many different backup utilities. `GPL-2.0` `Shell`
-- [BackupPC](https://backuppc.github.io/backuppc/) - High-performance, enterprise-grade system for backing up to a server's disk.. ([Source Code](https://github.com/backuppc/backuppc)) `GPL-3.0` `Perl`
 - [Backrest](https://garethgeorge.github.io/backrest/) - Backrest is a web UI and orchestrator for restic backup. ([Source Code](https://github.com/garethgeorge/backrest)) `GPL-3.0` `Docker/Go`
 - [Bareos](https://www.bareos.org/) - Cross-network backup solution which preserves, archives, and recovers data from all major operating systems. ([Source Code](https://github.com/bareos/bareos)) `AGPL-3.0` `C++/C`
 - [Barman](https://pgbarman.org) - Backup and Recovery Manager for PostgreSQL. ([Source Code](https://github.com/EnterpriseDB/barman)) `GPL-3.0` `Python`
@@ -482,7 +481,6 @@ _Related: [Metrics & Metric Collection](#metrics--metric-collection)_
 - [Adagios](http://adagios.org/) - Web based Nagios interface for configuration and monitoring (replacement to the standard interface), and a REST interface. ([Source Code](https://github.com/opinkerfi/adagios)) `AGPL-3.0` `Docker/Python`
 - [Alerta](https://alerta.io/) - Distributed, scalable and flexible monitoring system. ([Source Code](https://github.com/alerta/alerta)) `Apache-2.0` `Python`
 - [Bloonix](https://bloonix-monitoring.org/) - Bloonix is a monitoring solution that helps businesses to ensure high availability and performance. ([Source Code](https://github.com/bloonix)) `GPL-3.0` `Perl`
-- [Bosun](https://bosun.org/) - Monitoring and alerting system by Stack Exchange. ([Source Code](https://github.com/bosun-monitor/bosun)) `MIT` `Go`
 - [Cacti](https://www.cacti.net) - Web-based network monitoring and graphing tool. ([Source Code](https://github.com/Cacti/cacti)) `GPL-2.0` `PHP`
 - [cadvisor](https://github.com/google/cadvisor) - Analyzes resource usage and performance characteristics of running containers. `Apache-2.0` `Go`
 - [checkmk](https://checkmk.com/) - Comprehensive solution for monitoring of applications, servers, and networks. ([Source Code](https://github.com/Checkmk/checkmk)) `GPL-2.0` `Python/PHP`
@@ -511,6 +509,7 @@ _Related: [Metrics & Metric Collection](#metrics--metric-collection)_
 - [ruptime](https://github.com/alexmyczko/ruptime) - Classic system status server. `AGPL-3.0` `Shell`
 - [Scrutiny](https://github.com/AnalogJ/scrutiny) - Web UI for hard drive S.M.A.R.T monitoring, historical trends & real-world failure thresholds. `MIT` `Go`
 - [Sensu](https://sensu.io/) - Monitoring tool for ephemeral infrastructure and distributed applications. ([Source Code](https://github.com/sensu/sensu-go)) `MIT` `Go`
+- [SigNoz](https://signoz.io/) - Open-Source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. ([Source Code](https://github.com/SigNoz/signoz)) `MIT` `Go`
 - [Status](https://github.com/dani3l0/Status) - Simple and lightweight system monitoring tool for small homeservers with a pleasant web interface. ([Demo](https://status.enshittification.social/) `MIT` `Python`
 - [Thruk](https://www.thruk.org/) - Multibackend monitoring web interface with support for Naemon, Nagios, Icinga and Shinken. ([Source Code](https://github.com/sni/Thruk)) `GPL-1.0` `Perl`
 - [Wazuh](https://wazuh.com/) - Unified XDR and SIEM protection for endpoints and cloud workloads. ([Source Code](https://github.com/wazuh/wazuh)) `GPL-2.0` `C`