Sentry vs UptimeKit
Comparing two open source alternatives to Datadog. Use the comparison below to decide which one fits your needs.
Sentry
FSL-1.1-Apache-2.0Self-hosted error tracking and performance monitoring: issues, traces, replays, logs, and cron monitors on your own infrastructure.
UptimeKit
MITUptimeKit is a distributed monitoring and status page platform with fault-tolerant architecture. Watch services worldwide and keep users informed at a glance with clean public pages.
Side-by-side comparison
| Sentry | UptimeKit | |
|---|---|---|
| License | FSL-1.1-Apache-2.0 | MIT |
| Self-hostable | Yes | Yes |
| GitHub Stars | 45,627 | 128 |
| Forks | 4,943 | 21 |
| Open Issues | 2,168 | — |
| Last Commit | Oct 22, 2026 | Oct 20, 2026 |
| First Released | Aug 30, 2010 | Dec 2, 2025 |
| Categories | ||
| Tags |
Similar open source alternatives
Uptime Kuma
Self-hosted uptime monitoring tool with a polished UI, 90+ notification integrations, and built-in public status pages.
UptimeRobot
Lunalytics
Lunalytics is an open-source, self-hosted monitoring tool built with Node.js and React that supports HTTP(S), TCP, ping, Docker, and more. It offers customizable dashboards, status pages, incident management, multi-user access control, and integrations with popular notification services, making it a modern, developer-friendly solution for monitoring uptime and system health.
UptimeRobot
Beszel
Lightweight self-hosted server monitoring hub with historical data, Docker stats, and configurable alerts.
Datadog
Kuvasz
Open-source uptime and SSL monitoring service with status pages, multiple notification channels, and Prometheus integration.
UptimeRobot
Rootprint
Open-source, self-hosted log management with full-text search on object storage, OpenTelemetry ingestion, and team access control.
Datadog
ReJourney
Lightweight open-source observability tool with pixel-perfect session replay, real-time error detection, and journey mapping for web and mobile apps.
Sentry