Catalog
Explore and compare curated open-source alternatives. Filter by platform, licensing, or deployment mode to find your perfect fit.
21 tools found
NetData
Netdata is an open-source real-time infrastructure monitor that tracks per-second server and container metrics locally with zero query latency.
81.3kWebtoday
GPL-3.0Application Performance Monitoring
Grafana
Grafana is an open-source observability platform replacing proprietary APM tools with decoupled, high-performance dashboards over any database.
77.7kDockerLinuxtoday
AGPL-3.0Application Performance Monitoring
ProjectDiscovery
Open-source vulnerability scanner using YAML templates to detect CVEs, misconfigurations, and protocol flaws across applications and infrastructure.
32.6kWebtoday
MITApplication Performance Monitoring
SigNoz
SigNoz is an open-source APM replacing Datadog with OpenTelemetry-native metrics, traces, and logs stored in a self-hosted ClickHouse database.
32.5kLinuxDockertoday
MITApplication Performance Monitoring
Apache SkyWalking
Apache SkyWalking replaces Dynatrace APM for distributed tracing and service topology, running self-hosted with eBPF profiling and no per-host SaaS bills.
25.0kLinuxDocker1d ago
Apache-2.0Application Performance Monitoring
Checkmate
Checkmate is a self-hosted uptime and server monitor that replaces BetterStack with native chat alerts, hardware telemetry, and customizable status pages.
11.0kDockerLinux3d ago
AGPL-3.0Application Performance Monitoring
ES
PromotedEdgar Sipki
Go & gRPC engineer · founder of EasyP
Mentoring for backend developers. Consulting for startups.
Go, gRPC and Protobuf done right, LLM agents in production, and the hard parts of shipping a first product.
GogRPCProtobufLLM agents
sipki.online
HyperDX
HyperDX replaces proprietary APM platforms with open-source observability, unifying session replays, logs, and traces on ClickHouse and OpenTelemetry.
10.0kLinuxDockertoday
MITApplication Performance Monitoring
Coroot
Coroot replaces proprietary APM platforms like New Relic with zero-code eBPF observability, automated root-cause analysis, and self-hosted storage.
8.0kWeb1d ago
Apache-2.0Application Performance Monitoring
OneUptime
OneUptime is an open-source observability platform replacing Datadog and PagerDuty by unifying uptime, APM traces, on-call alerts, and status pages.
7.8kDockerLinuxtoday
Apache-2.0Application Performance Monitoring
OpenTelemetry Collector
OpenTelemetry Collector is an open-source telemetry proxy replacing proprietary APM forwarders with vendor-neutral trace, metric, and log routing.
7.7kLinuxWindowsmacOStoday
Apache-2.0Application Performance Monitoring
Logfire
Logfire replaces Datadog application tracing for Python services, combining an OpenTelemetry SDK with standard SQL queries and deep Pydantic inspection.
4.5kWebtoday
MITApplication Performance Monitoring
Uptrace
Uptrace is an open-source APM backend ingesting OpenTelemetry traces, metrics, and logs into ClickHouse to replace costly per-host Datadog licensing.
4.3kLinuxDocker12d ago
AGPL-3.0Application Performance Monitoring
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