Open-source alternatives to popular software
OSS Alternatives covers a small number of proprietary tools in depth rather than a large, shallow directory. Each page below ranks genuinely open-source alternatives by GitHub activity and spells out license, self-hosting, and pricing so you can pick one with confidence.
Browse by category
Networking alternatives
Cronitor
Monitoring for cron jobs, websites, and APIs
2 alternatives
Microsoft Azure
Public cloud platform from Microsoft
2 alternatives
Atlassian Statuspage
Hosted status pages for incident communication
11 alternatives
Zabbix
Enterprise open source monitoring platform
6 alternatives
VMware
Virtualization and private cloud software
2 alternatives
Splashtop
Remote access and remote support software
1 alternative
Google Cloud
Public cloud platform with compute, data, and AI services
2 alternatives
TeamViewer
Remote desktop and support software
2 alternatives
Instatus
Status pages for incidents and uptime
12 alternatives
SolarWinds
IT infrastructure monitoring and management software
8 alternatives
Twingate
Zero trust network access and VPN replacement
6 alternatives
Paessler PRTG Monitor
Network and infrastructure monitoring software
6 alternatives
Cloudflare Tunnel
Secure outbound tunnels that expose private services without opening ports
4 alternatives
cPanel
Web hosting control panel for managing sites, email, databases, and domains
3 alternatives
Umbrel
Home server OS with an app store for self-hosting
3 alternatives
NordVPN
Commercial consumer VPN service with a global server network
2 alternatives
ZeroTier
Software-defined networking and virtual LANs
7 alternatives